http://www.slis.indiana.edu/media/ This RSS feed provides access to the most recent media files made available under a Creative Commons license by the School of Library and Information Science at Indiana University, Bloomington. en-us Creative Commons, please see below School of Library and Information Science; Indiana University School of Library and Information Science; Indiana University This RSS feed provides access to the most recent media files made available under a Creative Commons license by the School of Library and Information Science at Indiana University, Bloomington. School of Library and Information Science; Indiana University slisweb@indiana.edu no f http://www.slis.indiana.edu/media/net_sci_2008/ncs_04_17.mp3 Networks and Complex Systems Spring 2008 (audio): The famous cartographer Jacques Bertin wrote a classic book titled the "Semiology of Graphics" in 1967. In this book, he analyzed many different types of charts, network diagrams, and maps, and then developed a systematic description of how information is coded in these visual representations. His goal was to describe pictures in terms of the conventions used to depict the information, not in terms of low-level graphics primitives. In this talk I will review Bertin's ideas, and then describe several recent attempts to formally specify information graphics using computers. The formal approach leads to a language of pictures. We have used visual languages to build two major visualization systems, Polaris and Tableau. Formally describing pictures leads to new capabilities including easy integration with database query languages such as SQL, the ability to describe statistical linear models, and new methods for automatically creating graphical presentations best suited to the data. http://www.slis.indiana.edu/media/net_sci_2008/ncs_04_17.mp3 Tue, 22 Apr 2008 00:00:00 -0400 no School of Library and Information Science, Indiana University, information architecture, Information Science, information systems, information technology, library science, librarian, library school, information retrieval f http://www.slis.indiana.edu/media/net_sci_2008/ncs_04_14.mp3 Networks and Complex Systems Spring 2008 (audio): Cytoscape is an open-source, cross-platform network visualization and analysis application. Cytoscape has it's roots in Systems Biology and is therefore well suited for analyzing data from high-throughput experimentation as well as other molecular state information. The central organizing metaphor of Cytoscape is a network (graph), with genes, proteins, and molecules represented as nodes and interactions represented as edges between nodes. The Cytoscape application acts as an extensible framework by providing core functionality to handle common tasks and software interfaces that allow easy extension to support unique needs. The core functionality includes the visualization, layout, and manipulation of networks in addition to data handling services needed for importing, exporting, and managing network data. Cytoscape's raison d'etre is its ability to integrate data and map it onto visual attributes of the networks. This functionality allows for rich visualizations that can provide insight into otherwise complicated data. In addition to the core functionality we have an ever growing library of plugins that extend and enhance Cytoscape's abilities. Cytoscape is open source (free) and is a collaborative effort of the University of California San Diego, the Institute for Systems Biology, Memorial Sloan-Kettering Cancer Center, Agilent Technologies, Unilever, the Institut Pasteur, University of California San Francisco, and the University of Toronto. See http://cytoscape.org for downloads and more detail. http://www.slis.indiana.edu/media/net_sci_2008/ncs_04_14.mp3 Tue, 22 Apr 2008 00:00:00 -0400 no School of Library and Information Science, Indiana University, information architecture, Information Science, information systems, information technology, library science, librarian, library school, information retrieval t http://www.slis.indiana.edu/media/kaser/kaser08_crowe.mov David Kaser Lecture Series (video): This talk will include reflections on The Future of the Research Library, the 1963 Phineas Windsor lecture at the University of Illinois, Urbana-Champaign, delivered by Verner W. Clapp. The lecture was published by the U of I Press in 1964 and is held in more than 500 collections. http://www.slis.indiana.edu/media/kaser/kaser08_crowe.mov Thu, 17 Apr 2008 00:00:00 -0400 no School of Library and Information Science, Indiana University, information architecture, Information Science, information systems, information technology, library science, librarian, library school, information retrieval t http://www.slis.indiana.edu/media/rkcsi_2008/rkcsi_03_21.mov The Rob Kling Center for Social Informatics Speaker Series (video): t is easy to forget that before the single player video game, most video games were for more than one player. In this work in progress talk, I will argue that many of the more successful multiplayer games, from Parcheesi to Rock Band to Animal Crossing acquire their power by piggybacking on existing social relations, thus acquiring many layers of meaning when played, as well as ambiguously threatening to rewrite these relations. By use of digital and non-digital examples, I will outline a theory of how games acquire meaning from the context in which they are played. http://www.slis.indiana.edu/media/rkcsi_2008/rkcsi_03_21.mov Wed, 09 Apr 2008 00:00:00 -0400 no School of Library and Information Science, Indiana University, information architecture, Information Science, information systems, information technology, library science, librarian, library school, information retrieval t http://www.slis.indiana.edu/media/rkcsi_2008/rkcsi_03_21.mov The Rob Kling Center for Social Informatics Speaker Series (video): Conversational multitasking - the participation in several concomitant synchronous conversations - becomes an increasingly significant communication competence. It is typically exhibited in textual conversation contexts on-line, such as chat-rooms and instant-messaging environments, where users are engaged in several conversations at the same time, but it obviously comes to affect also face-to-face situations in the workplace and the classroom. In this talk I discuss some of the perceptual underpinnings of conversational multitasking, present the results of several experiments examining some perceptual aspects of this phenomenon, and consider some of its implications. In particular, I suggest it is an interesting locus for examining the interplay between cognitive capacities, social norms and technology. http://www.slis.indiana.edu/media/rkcsi_2008/rkcsi_03_21.mov Mon, 07 Apr 2008 00:00:00 -0400 no School of Library and Information Science, Indiana University, information architecture, Information Science, information systems, information technology, library science, librarian, library school, information retrieval f http://www.slis.indiana.edu/media/net_sci_2008/ncs_03_31.mp3 Networks and Complex Systems Spring 2008 (audio): The parallel growing interest in Agent-Based Modeling (ABM), on one hand, and Geographic Information Systems (GIS), on the other, calls for platforms that would integrate them both. Current GIS and ABMS software do not support each other in a seamless manner, and an integrated platform that would support both is needed. In this talk, I introduce Agent Analyst, an extension of ArcGIS, the popular GIS software, which supports ABM. Agent Analyst fully integrates ABM with GIS, and extends the functionalities of the open-source Repast modeling and simulation environment with the spatial capabilities of ArcGIS. Through this integration, GIS experts gain the ability to model behaviors and processes as change and movement over time (e.g., simulate land use and land cover changes, predator-prey interactions, or network flows and congestion) while ABM modelers are able to incorporate detailed real-world environmental data, perform complex spatial analyses, and study how behavior is constrained by space and geography. Furthermore, ABM models can include real-time GIS data feeds for situations such as disaster management, firefighting, or resource management . To illustrate these ideas, I present a few models developed in Agent Analyst. http://www.slis.indiana.edu/media/net_sci_2008/ncs_03_31.mp3 Fri, 04 Apr 2008 00:00:00 -0400 no School of Library and Information Science, Indiana University, information architecture, Information Science, information systems, information technology, library science, librarian, library school, information retrieval f http://www.slis.indiana.edu/media/net_sci_2008/ncs_03_24.mp3 Networks and Complex Systems Spring 2008 (audio): This study examines the differences between Scopus and Web of Science in the citation counting, citation ranking, and h-index of 22 top human-computer interaction (HCI) researchers from EQUATOR-a large British Interdisciplinary Research Collaboration project. Results indicate that Scopus provides significantly more coverage of HCI literature than Web of Science, primarily due to coverage of relevant ACM and IEEE peer-reviewed conference proceedings. No significant differences exist between the two databases if citations in journals only are compared. Although broader coverage of the literature does not significantly alter the relative citation ranking of individual researchers, Scopus helps distinguish between the researchers in a more nuanced fashion than Web of Science in both citation counting and h-index. Scopus also generates significantly different maps of citation networks of individual scholars than those generated by Web of Science. The study also presents a comparison of h- index scores based on Google Scholar with those based on the union of Scopus and Web of Science. The study concludes that Scopus can be used as a sole data source for citation-based research and evaluation in HCI, especially when citations in conference proceedings are sought, and that h scores should be manually calculated instead of relying on system calculations. http://www.slis.indiana.edu/media/net_sci_2008/ncs_03_24.mp3 Wed, 26 Mar 2008 00:00:00 -0400 no School of Library and Information Science, Indiana University, information architecture, Information Science, information systems, information technology, library science, librarian, library school, information retrieval f http://www.slis.indiana.edu/media/net_sci_2008/ncs_03_17.mp3 Networks and Complex Systems Spring 2008 (audio): Theories of mate choice have suggested that human mate selection may be driven by a variety of factors, ranging from finding similar quality partners to finding partners who share similar preferences. Within a more restricted mate search context, such as speed-dating, it may be that these factors do not come into play. In fact, it may be that speedy human mate choice is a largely random process, governed by the simple laws of probability. To find out, we analyzed over 100 speed-dating sessions to see whether the matches that are produced, when both a man and a woman indicate interest in each other, occur any more often than we would expect if choices were made at random. We also looked at whether the set of people that any given individual was interested in had anything in common with the interest-sets of other individuals, or whether the range of choices also appeared random at an individual level. We will discuss the outcome of these analyses and what they imply for human behavior in this domain. http://www.slis.indiana.edu/media/net_sci_2008/ncs_03_17.mp3 Thu, 20 Mar 2008 00:00:00 -0400 no School of Library and Information Science, Indiana University, information architecture, Information Science, information systems, information technology, library science, librarian, library school, information retrieval f http://www.slis.indiana.edu/media/net_sci_2008/ncs_02_04.mp3 Networks and Complex Systems Spring 2008 (audio): The Network for Computational Nanotechnology (NCN) was established in 2002 by the NSF with a mission to create, deploy, and operate a national resource for theory, modeling, and simulation in nanotechnology, to connect users in research, education, design, and manufacturing. Nanotechnology is a broad field, so the NCN has focused its efforts on developing materials for a few focus areas: nanoelectronics, nanoelectromechanical systems, and nanomedicine. Users access these resources from the nanoHUB.org web site. In the 12-month period from October 2006 to September 2007, more than 26,000 users accessed nanoHUB to view a collection of seminars, tutorials, animations, publications, and simulation tools submitted by more than 390 contributors from all over the world. But the nanoHUB is more than just a repository. It is a place where researchers and educators can meet and accomplish real work. The nanoHUB offers integrated, online web meetings via Macromedia Breeze, source code collaboration through its nanoFORGE area, events calendars, and many other services designed to connect researchers and build a community. Most importantly, the nanoHUB connects users to the simulation tools they need for research and education. Users can access more than 50 interactive, graphical tools, and not only launch jobs, but also visualize and analyze the results-all via an ordinary web browser. In the same 12-month period mentioned earlier, more than 5,900 users performed over 226,000 online simulations. The NCN's emphasis on usability has produced a clean interface that makes it easy to use powerful research tools. Although simulation codes can be accessed through a web browser, they are executed on state-of-the-art computational facilities. The nanoHUB has partnered with the TeraGrid and the Open Science Grid to deliver the computational cycles needed by the growing community of nanoHUB users. The nanoHUB middleware hides much of the complexity of Grid computing, handling authentication, authorization, file transfer, and visualization, and letting the researcher focus on research. This approach also helps educators bring these tools to the classroom, letting them avoid the complexities of Grid computing and focus instead on physics. This talk will start with a live demonstration of nanoHUB and show how it can be used to support collaborative research and educational activities for nanotechnology development. http://www.slis.indiana.edu/media/net_sci_2008/ncs_02_04.mp3 Thu, 20 Mar 2008 00:00:00 -0400 no School of Library and Information Science, Indiana University, information architecture, Information Science, information systems, information technology, library science, librarian, library school, information retrieval http://www.slis.indiana.edu/media/net_sci_2007/ncs_11_26.mp3 Networks and Complex Systems Fall 2007 (audio): The Social Informatics Data Grid is a new infrastructure designed to transform how social and behavioral scientists collect and annotate data, collaborate and share data, and analyze and mine large data repositories. An important goal of the project is to be compatible with existing databases and tools that support the sharing, storage and retrieval of archival data sets. It is built on web and grid services to enable transparent access to data and analysis resources from anywhere and to leverage new and emerging web-based technologies created by a large and growing community of developers around the world. At the heart of the SIDGrid design is a rich data model that captures notions of time, data streams, and semi-structured data attached to these streams to enable powerful manipulations of multimodal data spread across data resources. Through query and analysis services deployed against the data warehoused in the SIDGrid users can perform new classes of experiments. Shared data resources available from anywhere over the Web introduces new capabilities to the process of collection and analysis of data – collaborative annotation among them – without relinquishing control over sensitive data via an embedded security model. This project is still in the development phase and feedback from user communities is essential for determining which functions are most important and should be developed next. http://www.slis.indiana.edu/media/net_sci_2007/ncs_11_26.mp3 Wed, 19 Mar 2008 00:00:00 -0400 no School of Library and Information Science, Indiana University, information architecture, Information Science, information systems, information technology, library science, librarian, library school, information retrieval http://www.slis.indiana.edu/media/net_sci_2007/ncs_11_05.mp3 Networks and Complex Systems Fall 2007 (audio): Historical trajectories of land cover change in developed countries have provided the basis for a theory of forest transition. To briefly summarize, Forest Transition Theory (FTT) suggests that nations experience dramatic deforestation during a frontier period of heavy resource use and this deforestation phase is eventually followed by a period of reforestation after some period of economic development. A considerable amount of research has focused on the drivers of deforestation but we have a less complete understanding of the diverse factors contributing to reforestation and the prospects for a transition from deforestation to reforestation in different economies. These forest cover trajectories are the result of interactions between social and ecological processes operating at multiple spatial and temporal scales and there are numerous methodological approaches that have been used to examine the complexity in these coupled social-ecological systems. This presentation summarizes findings to date from research examining the role of landuse decision-making in land cover change in the Midwest United States, Brazil and Laos. Results are presented from the integration of agent-based models of land cover change and empirical data drawn from social surveys and remotely sensed data (aerial photography and satellite imagery). Findings from spatially explicit experimental work are also discussed that address the role of landowner heterogeneity and how management activities from diverse local-level actors result in complex macro-scale outcomes. http://www.slis.indiana.edu/media/net_sci_2007/ncs_11_05.mp3 Mon, 12 Nov 2007 00:00:00 -0500 no School of Library and Information Science, Indiana University, information architecture, Information Science, information systems, information technology, library science, librarian, library school, information retrieval http://www.slis.indiana.edu/media/net_sci_2007/ncs_10_29.mp3 Networks and Complex Systems Fall 2007 (audio): Like many other complex human endeavors, scientific work is a decentralized, heterogeneous activity spanning organizational, disciplinary, technical boundaries. As science begins to address large-scale systems, the growing complexity of scientific work processes requires new infrastructure for understanding and managing the production of knowledge from distributed observation, simulation, analysis, and discourse activities. Cyberenvironments extend existing science application capabilities to include the ability to record, analyze, and interpret provenance documentation describing the causal relationships between processes and artifacts in scientific work. Using provenance-enabled collaboration and analysis tools, scientists can efficiently assess, validate, reproduce, and refine experiments and results. Provenance documentation enriches the scientific research record, enabling significant results to be preserved along with much of the associated information necessary to correctly interpret them. NCSA's suite of prototype Cyberenvironment tools is based around the idea of semantic content networks and built around the World Wide Web Consortium's Resource Description Framework (RDF). RDF provides an application and domain-neutral way to represent metadata, and can thus be used to link domain-specific information with generic vocabularies for describing artifacts and work processes. NCSA's work in the Grid Provenance Challenge, for instance, has demonstrated the applicability of RDF to representing scientific workflow executions, enabling data products to be linked via RDF to descriptions of the complex processes that produced them. The emerging Open Provenance Model attempts to further abstract the notion of causal relationships in scientific and other work processes, allowing provenance-enabled tools to link independently-observed processes together form descriptions of larger-scale processes. The scientific research record can then be understood as a semantic network of causality and thus be linked with other relevant networks, such as social networks, to provide a comprehensive model of scientific work that can be applied to new communities to build powerful science Cyberenvironments that maximize the impact of collaborative, systems-scale scientific work. http://www.slis.indiana.edu/media/net_sci_2007/ncs_10_29.mp3 Mon, 05 Nov 2007 00:00:00 -0500 no School of Library and Information Science, Indiana University, information architecture, Information Science, information systems, information technology, library science, librarian, library school, information retrieval http://www.slis.indiana.edu/media/net_sci_2007/ncs_10_08.mp3 Networks and Complex Systems Fall 2007 (audio): Matrix representations of graphs provide a useful alternative and supplement to other graph drawing methods. In matrix representations matrix orderings take the place of graph layouts and have a critical impact on the usefulness of the resulting matrix. We consider some factors that may make one algorithm better than another, and examine some ordering algorithms in light of these factors. We also consider the problem of interpreting, from a qualitative perspective, matrix based representations produced by some of these algorithms. Finally, we present some on-going research regarding breadth-first search ordered matrices of small-world graphs based on quantitative analysis of the resulting ordered matrices. http://www.slis.indiana.edu/media/net_sci_2007/ncs_10_08.mp3 Wed, 10 Oct 2007 00:00:00 -0400 no School of Library and Information Science, Indiana University, information architecture, Information Science, information systems, information technology, library science, librarian, library school, information retrieval http://www.slis.indiana.edu/media/net_sci_2007/ncs_09_24.mp3 Networks and Complex Systems Fall 2007 (audio): Ten years - a geological epoch on the computing time scale. Looking back, a decade brought the web and consumer email, digital cameras and music, broadband networking, multifunction cell phones, WiFi, HDTV, telematics, multiplayer games, electronic commerce and computational science. It also brought spam, phishing, identity theft, software insecurity, outsourcing and globalization, information warfare and blurred work-life boundaries. What will a decade of technology advances bring in communications and collaboration, sensors and knowledge management, modeling and discovery, electronic commerce and digital entertainment, critical infrastructure management and security? Prognostication is always fraught with challenges, especially when predicting the effects of exponential change. Aggressively inventing the future, based on perceived needs and opportunities, is far more valuable. As Daniel Burnham famously remarked, "Make no little plans, they have no power to fire men's spirits." In this presentation, we present some visions of a technology-enriched future, driven by emerging technologies and by national and international policies and competitive strategies. We also discuss their implications for university futures, in a rapidly changing world. http://www.slis.indiana.edu/media/net_sci_2007/ncs_09_24.mp3 Tue, 02 Oct 2007 00:00:00 -0400 no School of Library and Information Science, Indiana University, information architecture, Information Science, information systems, information technology, library science, librarian, library school, information retrieval http://www.slis.indiana.edu/media/net_sci_2007/ncs_09_17.mp3 Networks and Complex Systems Fall 2007 (audio): Computational science investigations carried out through cyberinfrastructure frameworks are capable of generating quantities of data far larger and more tightly related than previous hand-driven techniques. For this data to be useful in other applications within the domain science or across multiple science domains, or just be useful and accessible through time, it must be described by metadata. Both syntatical, or lower level metadata, and semantic, or higher level metadata are important for reconstruction. A data product's provenance or derivation history is key to ascertaining such attributes as a data products quality. We argue that the best time and place to gather the metadata and provenance is closest to the source of generation of a dataset because that is where the most knowledge is. In this talk we discuss metadata, provenance, and search in cyberinfrastructure-driven computational science. Most communication about data products, from our experience, in computational science, uses XML. We discuss a solution to metadata storage in which a metadata catalog standing separate from the storage system on which the products reside provides rich domain-friendly communication with other components of the cyberinfrastructure. We examine provenance collection for workflow systems and data streaming, and tie that both to missing data in data streams through Kalman Filters and data quality through a data quality model. Finally we discuss current efforts to integrate cyberinfrastructure-driven computational science and digital repositories through provenance. http://www.slis.indiana.edu/media/net_sci_2007/ncs_09_17.mp3 Mon, 01 Oct 2007 00:00:00 -0400 no School of Library and Information Science, Indiana University, information architecture, Information Science, information systems, information technology, library science, librarian, library school, information retrieval http://www.slis.indiana.edu/media/net_sci_2007/ncs_09_10.mp3 Networks and Complex Systems Fall 2007 (audio): The widespread adoption of home routers by the general public has added a new target for malware and crimeware authors. A router's ability to manipulate essentially all network traffic coming in to and out of a home, means that malware installed on these devices has the ability to launch powerful Man-In-The-Middle (MITM) attacks, a form of attack that has previously been largely ignored. Making matters worse, many homes have deployed wireless routers which are insecure if the attacker has geographic proximity to the router and can connect to it over its wireless channel. However, some have downplayed this risk by suggesting that attackers will be unwilling to spend the time and resources necessary, nor risk exposure to attack a large number of routers in this fashion. In this talk, we will consider the ability of malware to propagate from wireless router to wireless router over the wireless channel, infecting large urban areas where such routers are deployed relatively densely. We develop an SIR epidemiological model, and use it to simulate the spread of malware over major metropolitan centers in the US. Using hobbyist collected wardriving data from Wigle.net and our model, we show the potential for the infection of tens of thousands of routers in short periods of time is quite feasible. We consider simple prescriptive suggestions to minimize the likelihood that such attacks are ever performed. Next, we show a simple yet worrisome attacks that can easily and silently be performed from infected routers. We call this attack 'Trawler Phishing'. The attack generalizes a well understood failure of many web-sites to properly implement SSL, and allows attackers to harvest credentials from victims over a period of time, without the need to use spamming techniques or mimicked, but illegitimate web-sites, as in traditional phishing attacks, bypassing the most effective phishing prevention technologies. Further, it allows attackers to easily form data-portfolios on many victims, making collected data substantially more valuable. We consider prescriptive suggestions and countermeasure for this attack. The work on epidemiological modeling is joint work with Hao Hu, Vittoria Colizza and Alex Vespignani. The work on trawler phishing is joint work Sid Stamm. http://www.slis.indiana.edu/media/net_sci_2007/ncs_09_10.mp3 Mon, 01 Oct 2007 00:00:00 -0400 no School of Library and Information Science, Indiana University, information architecture, Information Science, information systems, information technology, library science, librarian, library school, information retrieval http://www.slis.indiana.edu/media/rkcsi_2007/sawhney_4_13.mov Telecom Dept. Seminar (video): The research activity on social aspects of new communication technologies is greatly determined by the arrival of a new technology rather than a theoretical reason for studying it. For instance, with the arrival of each new technology, one can be assured of inevitable papers on its diffusion. They will be meticulous in form with an extensive literature review, a theoretical vocabulary, and a sophisticated methodology, but it will be a pleasant surprise if they advance diffusion theory. Do we need diffusion studies for every new technology? There should be a theoretical rationale for each new diffusion study. Otherwise, we are simply running the research mill. I will argue that our scholarship will be more meaningful if it not only sheds light on a new technology, but also better prepares us to understand the NEXT one. I will draw out key insights from three projects - a workshop I co-organized, a co-authored paper that is under journal review, and an invited essay I am currently writing - and offer strategies for increasing the conceptual yield of new technology research. The issues involve go beyond the peculiarities of my own playground, and I hope to initiate a broader conversation. http://www.slis.indiana.edu/media/rkcsi_2007/sawhney_4_13.mov Mon, 14 May 2007 00:00:00 -0400 no School of Library and Information Science, Indiana University, information architecture, Information Science, information systems, information technology, library science, librarian, library school, information retrieval http://www.slis.indiana.edu/media/saa/symposium_07.mp3 Indiana University's Society of American Archivists Annual Symposium (audio): Digitization continues to be a hot topic among archivists, information technologists, librarians, and nearly every other profession. Recent discussions have placed emphasis on the process of creating digital repositories as well as long-term challenges and strategies for preserving digital materials. Implicit in these discussions are the cultural implications of digitization. This panel will make these implicit concerns explicit. This three-person panel will examine the affect of digitization on archival practices, historians' use of primary and secondary sources, and how computer scientists are addressing the myriad of 1's and 0's. http://www.slis.indiana.edu/media/saa/symposium_07.mp3 Wed, 02 May 2007 00:00:00 -0400 no School of Library and Information Science, Indiana University, information architecture, Information Science, information systems, information technology, library science, librarian, library school, information retrieval http://www.slis.indiana.edu/media/saa/symposium_07.mov Indiana University's Society of American Archivists Annual Symposium (video): Digitization continues to be a hot topic among archivists, information technologists, librarians, and nearly every other profession. Recent discussions have placed emphasis on the process of creating digital repositories as well as long-term challenges and strategies for preserving digital materials. Implicit in these discussions are the cultural implications of digitization. This panel will make these implicit concerns explicit. This three-person panel will examine the affect of digitization on archival practices, historians' use of primary and secondary sources, and how computer scientists are addressing the myriad of 1's and 0's. http://www.slis.indiana.edu/media/saa/symposium_07.mov Wed, 02 May 2007 00:00:00 -0400 no School of Library and Information Science, Indiana University, information architecture, Information Science, information systems, information technology, library science, librarian, library school, information retrieval http://www.slis.indiana.edu/media/rkcsi_2007/rkcsi_04_06.mp3 The Rob Kling Center for Social Informatics Speaker Series (audio): Like all social movements, technology movements grow from inauspicious roots. Their success depends on overcoming many challenges; chief among them is proving to various constituencies that a certain technology is worthwhile. Proving the worth of technology entails making associations between objects and ideals and supporting those associations by acquiring resources and mobilizing adherents. This lecture examines the case of the circuit rider movement, a cadre of politically progressive activists who, throughout the late 90s, sought to distribute the spoils of the contemporary IT revolution to grassroots and nonprofit organizations. Drawing on three-years of ethnographic research and integrating concepts from science and technology studies, economic sociology, and the study of collective behavior and social movements, I show how the circuit riders overcame structural challenges and mobilized a movement by drawing equivalences between information technology and organizational mission in the voluntary sector. Building on this form of association, the circuit riders successfully convinced resource holders and other activists that information technologies were vital to the future of the voluntary sector and a critical component of its mission to promote social and economic justice and a cleaner environment. http://www.slis.indiana.edu/media/rkcsi_2007/rkcsi_04_06.mp3 Wed, 25 Apr 2007 00:00:00 -0400 no School of Library and Information Science, Indiana University, information architecture, Information Science, information systems, information technology, library science, librarian, library school, information retrieval http://www.slis.indiana.edu/media/rkcsi_2007/rkcsi_04_06.mov The Rob Kling Center for Social Informatics Speaker Series (video): Like all social movements, technology movements grow from inauspicious roots. Their success depends on overcoming many challenges; chief among them is proving to various constituencies that a certain technology is worthwhile. Proving the worth of technology entails making associations between objects and ideals and supporting those associations by acquiring resources and mobilizing adherents. This lecture examines the case of the circuit rider movement, a cadre of politically progressive activists who, throughout the late 90s, sought to distribute the spoils of the contemporary IT revolution to grassroots and nonprofit organizations. Drawing on three-years of ethnographic research and integrating concepts from science and technology studies, economic sociology, and the study of collective behavior and social movements, I show how the circuit riders overcame structural challenges and mobilized a movement by drawing equivalences between information technology and organizational mission in the voluntary sector. Building on this form of association, the circuit riders successfully convinced resource holders and other activists that information technologies were vital to the future of the voluntary sector and a critical component of its mission to promote social and economic justice and a cleaner environment. http://www.slis.indiana.edu/media/rkcsi_2007/rkcsi_04_06.mov Wed, 25 Apr 2007 00:00:00 -0400 no School of Library and Information Science, Indiana University, information architecture, Information Science, information systems, information technology, library science, librarian, library school, information retrieval http://www.slis.indiana.edu/media/rkcsi_2007/rkcsi_03_30.mp3 The Rob Kling Center for Social Informatics Speaker Series (audio): This lecture will consider the present state of the digital divide worldwide. It will do so by inventorying the achievements and shortcomings of five years of digital divide research (2000-2005). Achievements are classified under four successive types of access: motivational, physical, skills and usage. A shift of attention from physical access to skills and usage is observed. In terms of physical access the divide seems to be closing in the most developed countries. In contrast, in terms of digital skills and the use of applications, the divide persists and perhaps widens or deepens. Among the shortcomings of digital divide research are its lack of theory, conceptual definition, interdisciplinary approach, qualitative research and longitudinal research. The second part of the lecture will discuss more basic questions about inequality in the information society. The focus is on three questions: (1)To what type of inequality does the digital divide concept refer? (2) What is new about the inequality of access to and use of ICTs as compared to other scarce material and immaterial resources? (3) Do new types of inequality exist or rise in the information society? http://www.slis.indiana.edu/media/rkcsi_2007/rkcsi_03_30.mp3 Wed, 25 Apr 2007 00:00:00 -0400 no School of Library and Information Science, Indiana University, information architecture, Information Science, information systems, information technology, library science, librarian, library school, information retrieval http://www.slis.indiana.edu/media/rkcsi_2007/rkcsi_03_30.mov The Rob Kling Center for Social Informatics Speaker Series (video): This lecture will consider the present state of the digital divide worldwide. It will do so by inventorying the achievements and shortcomings of five years of digital divide research (2000-2005). Achievements are classified under four successive types of access: motivational, physical, skills and usage. A shift of attention from physical access to skills and usage is observed. In terms of physical access the divide seems to be closing in the most developed countries. In contrast, in terms of digital skills and the use of applications, the divide persists and perhaps widens or deepens. Among the shortcomings of digital divide research are its lack of theory, conceptual definition, interdisciplinary approach, qualitative research and longitudinal research. The second part of the lecture will discuss more basic questions about inequality in the information society. The focus is on three questions: (1)To what type of inequality does the digital divide concept refer? (2) What is new about the inequality of access to and use of ICTs as compared to other scarce material and immaterial resources? (3) Do new types of inequality exist or rise in the information society? http://www.slis.indiana.edu/media/rkcsi_2007/rkcsi_03_30.mov Wed, 25 Apr 2007 00:00:00 -0400 no School of Library and Information Science, Indiana University, information architecture, Information Science, information systems, information technology, library science, librarian, library school, information retrieval http://www.slis.indiana.edu/media/jobseek07/jobseries_03_07.mp3 SLIS Job Seeking Workshop Series; 2007 (audio): Speaker: Brian Kleber, Regional Director of the South Central Indiana Small Business Development Center Facilitator: Howard Rosenbaum http://www.slis.indiana.edu/media/jobseek07/jobseries_03_07.mp3 Tue, 24 Apr 2007 00:00:00 -0400 no School of Library and Information Science, Indiana University, information architecture, Information Science, information systems, information technology, library science, librarian, library school, information retrieval http://www.slis.indiana.edu/media/jobseek07/jobseries_03_07.mov SLIS Job Seeking Workshop Series; 2007 (video): Speaker: Brian Kleber, Regional Director of the South Central Indiana Small Business Development Center Facilitator: Howard Rosenbaum http://www.slis.indiana.edu/media/jobseek07/jobseries_03_07.mov Tue, 24 Apr 2007 00:00:00 -0400 no School of Library and Information Science, Indiana University, information architecture, Information Science, information systems, information technology, library science, librarian, library school, information retrieval http://www.slis.indiana.edu/media/net_sci_2007/ncs_04_02.mp3 Networks and Complex Systems 2007 (audio): The Physics and Astronomy Classification Scheme (PACS) had been introduced by the American Institute of Physics (AIP) in 1975 to identify fields and sub-fields of physics. Each document published by the AIP has one or more of these PACS numbers. Lately other databases and online websites are using this classification scheme to group articles and authors in different sub-fields of physics and assigning these numbers to articles published in journals other than the AIP journals. Since an article is assigned more than one PACS number, we analyse the co-occurence of PACS numbers over a period of 20 years, from 1985 to 2005. The network of PACS co-occurences is an extremely dense network which exhibits small world properties. It consists of one big giant component with PACS numbers in the general category exhibiting the highest betweeness centrality. We also use various clustering techniques to study the clusters of PACS numbers for each year. The clusters formed strongly overlap with each other and we use the CFinder software to identify the overlapping clusters. Though the major communities remain the same, we are able to identify sub-communities within these which change over time. We also uncover unexpected connections between very different communities. http://www.slis.indiana.edu/media/net_sci_2007/ncs_04_02.mp3 Thu, 05 Apr 2007 00:00:00 -0400 no School of Library and Information Science, Indiana University, information architecture, Information Science, information systems, information technology, library science, librarian, library school, information retrieval http://www.slis.indiana.edu/media/net_sci_2007/ncs_03_26.mp3 Networks and Complex Systems 2007 (audio): Packing problems, atomic clusters, polymers, and the ultimate building blocks of life, proteins, all live in high-dimensional conformation spaces littered with forbidden regions induced by self-avoidance. The classical approach to protein folding inspired by statistical mechanics avoids this high dimensional structure of the conformation space by using effective coordinates. Here we introduce a network approach to capture the statistical properties of the structure of conformation spaces, and reveal the correlations induced in the energy landscape by the self-avoidance property of a polypeptide chain. We show that the folding pathways along energy gradients organize themselves into scale free networks, thus explaining previous observations made via Molecular Dynamics (MD) simulations. We also show that these energy landscape correlations are essential for recovering the observed connectivity exponent, which belongs to a different universality class than that of random energy models. We further corroborate our results by MD simulations on a 20-monomer AK peptide. http://www.slis.indiana.edu/media/net_sci_2007/ncs_03_26.mp3 Thu, 05 Apr 2007 00:00:00 -0400 no School of Library and Information Science, Indiana University, information architecture, Information Science, information systems, information technology, library science, librarian, library school, information retrieval http://www.slis.indiana.edu/media/rkcsi_2007/rkcsi_03_02.mp3 The Rob Kling Center for Social Informatics Speaker Series (audio): Cultural and scientific industries are today massively turning to digital media as the primary medium for the production and distribution of their products, either through digitization of cultural artifacts, creation of new forms of cultural expression and scientific experimentation (e.g., video games, distributed simulations), or reliance on digital tools in the creation process itself (special effects, CAD). Yet, there are today no known solutions to the problem of preserving complex digital objects over time. At the heart of the problem lies a fundamental distinction between traditional (paper-based) and digital documentary resources. http://www.slis.indiana.edu/media/rkcsi_2007/rkcsi_03_02.mp3 Thu, 05 Apr 2007 00:00:00 -0400 no School of Library and Information Science, Indiana University, information architecture, Information Science, information systems, information technology, library science, librarian, library school, information retrieval http://www.slis.indiana.edu/media/rkcsi_2007/rkcsi_03_02.mov The Rob Kling Center for Social Informatics Speaker Series (video): Cultural and scientific industries are today massively turning to digital media as the primary medium for the production and distribution of their products, either through digitization of cultural artifacts, creation of new forms of cultural expression and scientific experimentation (e.g., video games, distributed simulations), or reliance on digital tools in the creation process itself (special effects, CAD). Yet, there are today no known solutions to the problem of preserving complex digital objects over time. At the heart of the problem lies a fundamental distinction between traditional (paper-based) and digital documentary resources. http://www.slis.indiana.edu/media/rkcsi_2007/rkcsi_03_02.mov Thu, 05 Apr 2007 00:00:00 -0400 no School of Library and Information Science, Indiana University, information architecture, Information Science, information systems, information technology, library science, librarian, library school, information retrieval