Search (27138 results, page 1356 of 1357)

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Footnote

Rez. in JASIST 55(2004) no.1, S.278-279 (P.K. Nayar): "We live in an increasingly wired and digitized world. Work, leisure, shopping, research, and interpersonal communications are all mediated by the new technologies. The present volume begins with the assumption that the Internet is not a special system, it is routinely incorporated into the everyday. Wellman and Haythornthwaite note that increasing access and commitment (doing more types of things online), domestication (online access from home), and longer work hours (working from anywhere, including home) are trends in everyday Internet use. In their elaborate introduction to the volume, Wellman and Haythornthwaite explore the varied dimensions of these trends in terms of the digital divide, the demographic issues of Internet use and online behavior (that is, social interaction). This sets the tone for the subsequent essays, most of which are voyages of discovery, seeking patterns of use and behavior. The focus of individual essays is dual: empirical study/data and theoretical conclusions that range from the oracular to the commentary. Readers will find this approach useful because the conclusions drawn are easily verified against statistics (a major part of the volume is comprised of tables and databases). It is also consciously tilted at the developed countries where Internet use is extensive. However, the effort at incorporating data from ethnic communities within developed nations, Japan and India, renders the volume more comprehensive. Some gaps are inevitable in any volume that seeks to survey anything as vast as the role of the Internet in everyday life. There is almost no discussion of subcultural forms that have mushroomed within and because of cyberspace. Now technology, we know, breeds its own brand of discontent. Surely a discussion of hackers, who, as Douglas Thomas has so clearly demonstrated in his book Hacker Culture (2002), see themselves as resisting the new "culture of secrecy" of corporate and political mainstream culture, is relevant to the book's ideas? If the Internet stands for a whole new mode of community building, it also stands for increased surveillance (particularly in the wake of 9/11). Under these circumstances, the use of Computer-mediated communication to empower subversion or to control it assumes enormous politicoeconomic significance. And individual Internet users come into this an an everyday basis, as exemplified by the American housewives who insinuate themselves into terrorist web/chat spaces as sympathizers and Crack their identities for the FBI, CIA, and other assorted agencies to follow up on. One more area that could have done with some more survey and study is the rise of a new techno-elite. Techno-elitism, as symbolized images of the high-power "wired" executive, eventually becomes mainstream culture. Those who control the technology also increasingly control the information banks. The studies in the present volume explore age differentials and class distinctions in the demography of Internet users, but neglect to account for the specific levels of corporate/scientific/political hierarchy occupied by the techno-savvy. R.L. Rutsky's High Techne (1999) has demonstrated how any group-hackers, corporate heads, software engineers-with a high level of technological expertise modulate into icons of achievement. Tim Jordan in his Cyberpower (1999) and Chris Hables Gray in Cyborg Citizen (2001) also emphasize the link between technological expertise, the rise of a techno-elite, and "Cyberpower." However, it would be boorish, perhaps, to point out such lapses in an excellent volume. The Internet in Everyday Life will be useful to students of cultural, communication, and development studies, cyberculture and social studies of technology."

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Abstract

Making the Nation Safer: The Role of Science and Technology in Countering Terrorism The commitment of the scientific, engineering, and health communities to helping the United States and the world respond to security challenges became evident after September 11, 2001. The U.S. National Research Council's report an "Making the Nation Safer: The Role of Science and Technology in Countering Terrorism," (National Research Council, 2002, p. 1) explains the context of such a new commitment: Terrorism is a serious threat to the Security of the United States and indeed the world. The vulnerability of societies to terrorist attacks results in part from the proliferation of chemical, biological, and nuclear weapons of mass destruction, but it also is a consequence of the highly efficient and interconnected systems that we rely an for key services such as transportation, information, energy, and health care. The efficient functioning of these systems reflects great technological achievements of the past century, but interconnectedness within and across systems also means that infrastructures are vulnerable to local disruptions, which could lead to widespread or catastrophic failures. As terrorists seek to exploit these vulnerabilities, it is fitting that we harness the nation's exceptional scientific and technological capabilities to Counter terrorist threats. A committee of 24 of the leading scientific, engineering, medical, and policy experts in the United States conducted the study described in the report. Eight panels were separately appointed and asked to provide input to the committee. The panels included: (a) biological sciences, (b) chemical issues, (c) nuclear and radiological issues, (d) information technology, (e) transportation, (f) energy facilities, Cities, and fixed infrastructure, (g) behavioral, social, and institutional issues, and (h) systems analysis and systems engineering. The focus of the committee's work was to make the nation safer from emerging terrorist threats that sought to inflict catastrophic damage an the nation's people, its infrastructure, or its economy. The committee considered nine areas, each of which is discussed in a separate chapter in the report: nuclear and radiological materials, human and agricultural health systems, toxic chemicals and explosive materials, information technology, energy systems, transportation systems, Cities and fixed infrastructure, the response of people to terrorism, and complex and interdependent systems. The chapter an information technology (IT) is particularly relevant to this special issue. The report recommends that "a strategic long-term research and development agenda should be established to address three primary counterterrorismrelated areas in IT: information and network security, the IT needs of emergency responders, and information fusion and management" (National Research Council, 2002, pp. 11 -12). The MD in information and network security should include approaches and architectures for prevention, identification, and containment of cyber-intrusions and recovery from them. The R&D to address IT needs of emergency responders should include ensuring interoperability, maintaining and expanding communications capability during an emergency, communicating with the public during an emergency, and providing support for decision makers. The R&D in information fusion and management for the intelligence, law enforcement, and emergency response communities should include data mining, data integration, language technologies, and processing of image and audio data. Much of the research reported in this special issue is related to information fusion and management for homeland security.

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Pages

S.1-20

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Footnote

Part 1, "Tools and Strategies," contains three chapters. The first is a very interesting one an the culture of mathematics. For undergraduates who are thinking about advanced study (or for friends and family who are puzzled about what a mathematician does), this is a concise and even elegant overview. "Tools" continues with chapters an "Finding Mathematics Information" and an "Searching the Research Literature." Both chapters are written by experienced mathematics librarians and answer questions asked by those learning and studying mathematics. "Finding Mathematics Information" contains sixteen sections (too many to enumerate)-two of our favorites are "Locating Definitions and Basic Explanations" and "Finding or Verifying Quotations and Anecdotes." As with Part II, each entry contains complete bibliographic information with a one- or twosentence abstract. "Searching the Research Literature" contains five sections: introduction, strategies, finding journal articles using indexes, finding papers an the Web, and obtaining the resources found. This chapter is more of a discussion than a list of resources, but like the chapter an "Finding Mathematics Information" would be helpful for someone just beginning research in mathematics. Because this work is primarily arranged by discipline, it offers a different perspective than Nancy D. Anderson and Lois M. Pausch, editors, A Guide to Library Service in Mathematics (Greenwich, CT: JAI Press, Inc.), 1993. One might also consult the $65 book by Martha Tucker and Nancy Anderson, Guide to Information Sources in Mathematics and Statistics (Westport, CT: Libraries Unlimited), 2004. The book's major drawback is its price - 42c per page vs. 19c for Tucker and Anderson. However, it is still an important addition to your library's collection, a relevant resource for undergraduate and graduate student advisors, and perhaps a gift for the new librarian who will be working with your department."

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Source

Knowledge organization. 31(2004) no.1, S.64-66

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Content

"1. The EU projeet Renardus Renardus is a project funded by the European Commission as part of the Information Society Technologies (IST) programme, part of the European Union's 5th Framework Programme. Partners in Renardus include national libraries, research centres and subject gateway services from Denmark, Finland, Germany, The Netherlands, Sweden and the UK, co-ordinated by the National Library of the Netherlands. The project aims to develop a Web-based service to enable searching and browsing across a range of distributed European-based information services designed for the academic and research communities - and in particular those services known as subject gateways. These gateways are services that provide access to Internet resources. They tend to be selective with regard to the resources they give access to, and are usually based an the manual creation of descriptive metadata. Services typically provide users with both search and browse facilities, and offen offer hierarchical browse structures based an subject classification schemes (Koch & Day, 1997). Predecessor projects like the EU project DESIRE have already developed solutions for the description of individual resources and for automatic classification at the level of an individual subject gateway using established classification systems. Renardus intends to develop a service that can cross-search and cross-browse a number of distributed subject gateways through the use of a common metadata profile and by the mapping all locally-used classification schemes to a common scheme. A thorough review of existing data models (Becker, et al., 2000) was used as the basis for the agreement of a minimum set of Dublin Core-based metadata elements that could be utilised as a common data model. A comprehensive mapping effort from the individual gateways' metadata element sets and content encoding schemes to the common profile has taken place. This provides the infrastructure for interoperability between all participating databases and thus is the necessary prerequisite for cross-searching."

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Abstract

Shannon provides a model whereby an information source selects a desired message, out of a set of possible messages, that is then formed into a signal. The signal is sent over the communication channel to a receiver, which then transforms the signal back to a message that is relayed to its destination (Shannon & Weaver, 1949/1963, p. 7). Problems connected with this model have remained with us. Some of the concepts are ambiguous; the identification of information with a process has spancelled the debate; the problems of measuring the amount of information, the relation of information to meaning, and questions about the truth value of information have remained. Balancing attention between the process and the act of receiving information, and deterrnining the character of the receiver, has also been the focus of work and debate. Information science has mined work from other disciplines involving information theory and has also produced its own theory. The desire for theory remains (Hjorland, 1998; Saracevic, 1999), but what theory will deliver is unclear. The distinction between data and information, or communication and information, is not of concern here. The convention that data, at some point of use, become information, and that information is transferred in a process of communication suffices for this discussion. Substitution of any of these terms is not a problem. More problematic is the relationship between information and knowledge. It seems accepted that at some point the data by perception, or selection, become information, which feeds and alters knowledge structures in a human recipient. What that process of alteration is, and its implications, remain problematic. This review considers the following questions: 1. What can be gleaned from the history of reviews of information in information science? 2. What current maps, guides, and surveys are available to elaborate our understanding of the issues? 3. Is there a parallel development of work outside information science an information theory of use to us? 4. Is there a dominant view of information within information science? 5. What can we say about issues like measurement, meaning, and misinformation? 6. Is there other current work of relevance that can assist attempts, in information science, to develop a theory of information?

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Date

1. 2.1997 9:16:32

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Content

RDF Data Model At the core of RDF is a model for representing named properties and their values. These properties serve both to represent attributes of resources (and in this sense correspond to usual attribute-value-pairs) and to represent relationships between resources. The RDF data model is a syntax-independent way of representing RDF statements. RDF statements that are syntactically very different could mean the same thing. This concept of equivalence in meaning is very important when performing queries, aggregation and a number of other tasks at which RDF is aimed. The equivalence is defined in a clean machine understandable way. Two pieces of RDF are equivalent if and only if their corresponding data model representations are the same. Table of contents 1. Introduction 2. RDF Data Model 3. RDF Grammar 4. Signed RDF 5. Examples 6. Appendix A: Brief Explanation of XML Namespaces

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Source

D-Lib magazine. 13(2007) nos.1/2, x S

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Abstract

Because, to paraphrase a pop music lyric from a certain rock and roll band of yesterday, "the Web is old, the Web is new, the Web is all, the Web is you", it seems like we might have to face up to some of these stark realities. With the introduction of new social software applications such as blogs, wikis, newsfeeds, social networks, and bookmarking tools (the subject of this paper), the claim that Shelley Powers makes in a Burningbird blog entry seems apposite: "This is the user's web now, which means it's my web and I can make the rules." Reinvention is revolution - it brings us always back to beginnings. We are here going to remind you of hyperlinks in all their glory, sell you on the idea of bookmarking hyperlinks, point you at other folks who are doing the same, and tell you why this is a good thing. Just as long as those hyperlinks (or let's call them plain old links) are managed, tagged, commented upon, and published onto the Web, they represent a user's own personal library placed on public record, which - when aggregated with other personal libraries - allows for rich, social networking opportunities. Why spill any ink (digital or not) in rewriting what someone else has already written about instead of just pointing at the original story and adding the merest of titles, descriptions and tags for future reference? More importantly, why not make these personal 'link playlists' available to oneself and to others from whatever browser or computer one happens to be using at the time? This paper reviews some current initiatives, as of early 2005, in providing public link management applications on the Web - utilities that are often referred to under the general moniker of 'social bookmarking tools'. There are a couple of things going on here: 1) server-side software aimed specifically at managing links with, crucially, a strong, social networking flavour, and 2) an unabashedly open and unstructured approach to tagging, or user classification, of those links.

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Abstract

The National Science Foundation's (NSF) National Science, Technology, Engineering, and Mathematics Education Digital Library (NSDL) program comprises a set of projects engaged in a collective effort to build a national digital library of high quality science, technology, engineering, and mathematics (STEM) educational materials for students and teachers at all levels, in both formal and informal settings. By providing broad access to a rich, reliable, and authoritative collection of interactive learning and teaching resources and associated services in a digital environment, the NSDL will encourage and sustain continual improvements in the quality of STEM education for all students, and serve as a resource for lifelong learning. Though the program is relatively new, its vision and operational framework have been developed over a number of years through various workshops and planning meetings. The NSDL program held its first formal funding cycle during fiscal year 2000 (FY00), accepting proposals in four tracks: Core Integration System, Collections, Services, and Targeted Research. Twenty-nine awards were made across these tracks in September 2000. Brief descriptions of each FY00 project appeared in an October 2000 D-Lib Magazine article; full abstracts are available from the Awards Section at <http://www.ehr.nsf.gov/ehr/due/programs/nsdl/>. In FY01 the program received one hundred-nine proposals across its four tracks with the number of proposals in the collections, services, and targeted research tracks increasing to one hundred-one from the eighty received in FY00. In September 2001 grants were awarded to support 35 new projects: 1 project in the core integration track, 18 projects in the collections track, 13 in the services track, and 3 in targeted research. Two NSF directorates, the Directorate for Geosciences (GEO) and the Directorate for Mathematical and Physical Sciences (MPS) are both providing significant co-funding on several projects, illustrating the NSDL program's facilitation of the integration of research and education, an important strategic objective of the NSF. Thus far across both fiscal years of the program fifteen projects have enjoyed this joint support. Following is a list of the FY01 awards indicating the official NSF award number (each beginning with DUE), the project title, the grantee institution, and the name of the Principal Investigator (PI). A condensed description of the project is also included. Full abstracts are available from the Awards Section at the NSDL program site at <http://www.ehr.nsf.gov/ehr/due/programs/nsdl/>. (Grants with shared titles are formal collaborations and are grouped together.) The projects are displayed by track and are listed by award number. In addition, six of these projects have explicit relevance and application to K-12 education. Six others clearly have potential for application to the K-12 arena. The NSDL program will have another funding cycle in fiscal year 2002 with the next program solicitation expected to be available in January 2002, and an anticipated deadline for proposals in mid-April 2002.

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Content

Enthält die Beiträge: Greenberg, J., E.M. Méndez Rodríguez: Introduction: toward a more library-like Web via semantic knitting (S.1-8). - Campbell, D.G.: The birth of the new Web: a Foucauldian reading (S.9-20). - McCathieNevile, C., E.M. Méndez Rodríguez: Library cards for the 21st century (S.21-45). - Harper, C.A., B.B. Tillett: Library of Congress controlled vocabularies and their application to the Semantic Web (S.47-68). - Miles, A., J.R. Pérez-Agüera: SKOS: Simple Knowledge Organisation for the Web (S.69-83). - Tennis, J.T.: Scheme versioning in the Semantic Web (S.85-104). - Rogers, G.P.: Roles for semantic technologies and tools in libraries (S.105-125). - Severiens, T., C. Thiemann: RDF database for PhysNet and similar portals (S.127-147). - Michon, J.: Biomedicine and the Semantic Web: a knowledge model for visual phenotype (S.149-160). - Liang, A., G. Salokhe u. M. Sini u.a.: Towards an infrastructure for semantic applications: methodologies for semantic integration of heterogeneous resources (S.161-189). - Graves, M., A. Constabaris u. D. Brickley: FOAF: connecting people on the Semantic Web (S.191-202). - Greenberg, J.: Advancing Semantic Web via library functions (S.203-225). - Weibel, S.L.: Social Bibliography: a personal perspective on libraries and the Semantic Web (S.227-236)

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Footnote

Rez. in: JASIST 63(2013) no.1, S.213-214 (D.E. Agosto)

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Content

Vgl.: http://doktori.bibl.u-szeged.hu/2434/1/main.pdf.

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Content

# Community action on all ontologies (quality, FAIRness, conformity) Archivo is extensible and allows contributions to give consumers a central place to encode their requirements. We envision fostering adherence to standards and strengthening incentives for publishers to build a better (FAIRer) web of ontologies. 1. SHACL (https://www.w3.org/TR/shacl/, co-edited by DBpedia's CTO D. Kontokostas) enables easy testing of ontologies. Archivo offers free SHACL continuous integration testing for ontologies. Anyone can implement their SHACL tests and add them to the SHACL library on Github. We believe that there are many synergies, i.e. SHACL tests for your ontology are helpful for others as well. 2. We are looking for ontology experts to join DBpedia and discuss further validation (e.g. stars) to increase FAIRness and quality of ontologies. We are forming a steering committee and also a PC for the upcoming Vocarnival at SEMANTiCS 2021. Please message hellmann@informatik.uni-leipzig.de <mailto:hellmann@informatik.uni-leipzig.de>if you would like to join. We would like to extend the Archivo platform with relevant visualisations, tests, editing aides, mapping management tools and quality checks.

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Date

1. 5.2003 12:04:35

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Date

1. 2.1997 9:16:32

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Footnote

Rez. in: KO 31(2004) no.2, S.114-115 (J. Turner): "Professor Corinne Jörgensen's book will be useful to researchers, practitioners, and graduate students working in the area of the management of collections of still images. The book is a fine piece of scholarship that is thoroughly researched and nicely written. It integrates information from a number of perspectives, including cognitive psychology and computer science, into an information science text. This work is timely, since images and other nontextual information are forming an ever larger part of the mass of information available to us. Indeed, in the long history of recorded information an our planet, images "were the only form of written communication for 25,000 out of the 30,000 years of human recorded experience ... we are, it appears, an the hinge of an important historical swing back towards what may be called the primacy of the image" (p. ix). The book will be valued for the richness of the information it gathers and for the intelligent discussion it offers. There are six chapters to the work: 1. Why images, and what do we know about them? 2. Cognitive foundations for image processing; 3. Organizing and providing access to images; 4. Machine processing of images; 5. Image attributes: the research framework; 6. Towards the future. In addition, there is an excellent bibliography of over forty pages, which is valuable because it provides so many good leads into the literatures of information science and of related disciplines that contribute to the discussions of image retrieval presented in the book. There are separate subject and author indexes. The author index is considerably longer than the subject index, an indication of how muck published literature is discussed in the text. Finally, a list of figures and a list of tables provide additional finding aids. The inclusion of discussions of issues from disciplines other than information science reflects the changing reality of information systems for managing picture collections. Throughout the time such collections have been built, there has never been much coordination of approaches, methods, or practices, even within the discipline of information science. Since the arrival about ten years ago of the World Wide Web, major changes have taken place in the way information is organised, stored, and retrieved. The new networked environment requires a great deal of coordination, common standards, and much more uniform practices than managers of collections of pictures have been used to in the past. Jörgensen's extensive research into the work accomplished by a number of contributing disciplines and her presentation of it in relation to the problem of managing collections of images indicates a deep understanding of the issues and a remarkable capacity to relate them to issues in information science. Accomplishing such a feat so successfully makes this work a valuable contribution to the ongoing discussion of how collections need to be managed in the networked environment. The interdisciplinary nature of the problem has never before been presented so clearly, nor so thoroughly.

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Footnote

Original in: Library resources and technical services 21(1977) no.1, S.13-30.