Search (164 results, page 1 of 9)

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Abstract

Current digital preservation is strongly biased towards data objects: digital files of document-style objects, or encapsulated and largely self-contained objects. To provide authenticity and provenance information, comprehensive metadata models are deployed to document information on an object's context. Yet, we claim that simply documenting an objects context may not be sufficient to ensure proper provenance and to fulfill the stated preservation goals. Specifically in e-Science and business settings, capturing, documenting and preserving entire processes may be necessary to meet the preservation goals. We thus present an approach for capturing, documenting and preserving processes, and means to assess their authenticity upon re-execution. We will discuss options as well as limitations and open challenges to achieve sound preservation, speci?cally within scientific processes.

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Content

Enthält Beiträge von: FUGMANN, R.: Obstacles to progress in mechanized subject access and the necessity of a paradigm change; TELL, B.: On MARC and natural text searching: a review of Pauline Cochrane's inspirational thinking grafted onto a Swedish spy on library matters; KING, D.W.: Blazing new trails: in celebration of an audacious career; FIDEL, R.: The user-centered approach; SMITH, L.: Subject access in interdisciplinary research; DRABENSTOTT, K.M.: Web search strategies; LAM, V.-T.: Enhancing subject access to monographs in Online Public Access Catalogs: table of contents added to bibliographic records; JOHNSON, E.H.: Objects for distributed heterogeneous information retrieval

Date

22. 9.1997 19:16:05

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Abstract

Examines the nuts-and-bolts practical matters of making this cataloging system work in the Internet environment, where information objects are electronic, transient, and numerous.

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Source

Serials librarian. 22(1992), nos.3/4

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Abstract

Recent years have seen an explosive growth in the use of new database applications such as CAD/CAM systems, spatial information systems, and multimedia information systems. The needs of these applications are far more complex than traditional business applications. They call for support of objects with complex data types, such as images and spatial objects, and for support of objects with wildly varying numbers of index terms, such as documents. Traditional indexing techniques such as the B-tree and its variants do not efficiently support these applications, and so new indexing mechanisms have been developed.As a result of the demand for database support for new applications, there has been a proliferation of new indexing techniques. The need for a book addressing indexing problems in advanced applications is evident. For practitioners and database and application developers, this book explains best practice, guiding the selection of appropriate indexes for each application. For researchers, this book provides a foundation for the development of new and more robust indexes. For newcomers, this book is an overview of the wide range of advanced indexing techniques. "Indexing Techniques for Advanced Database Systems" is suitable as a secondary text for a graduate level course on indexing techniques, and as a reference for researchers and practitioners in industry.

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Issue

Vol.22.

Signature

78 BAHH 1089-22

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Abstract

Current directions in database research and developments are towards object-oriented DBMSs, active knowledge-based management systems and multimedia databases. The third generation of post relational databases will require larger datasets. enhanced capabilities in data type, multimedia support, complex objects, rule processing and archival storage. The objective of this book is to investigate the trend of research in database paradigms

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Date

22. 7.2000 18:22:14

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Date

22. 7.2000 18:22:27

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Abstract

With the rapidly increasing pace at which Web content is evolving, particularly social media, preserving the Web and its evolution over time becomes an important challenge. Meaningful analysis of Web content lends itself to an entity-centric view to organise Web resources according to the information objects related to them. Therefore, the crucial challenge is to extract, detect and correlate entities from a vast number of heterogeneous Web resources where the nature and quality of the content may vary heavily. While a wealth of information extraction tools aid this process, we believe that, the consolidation of automatically extracted data has to be treated as an equally important step in order to ensure high quality and non-ambiguity of generated data. In this paper we present an approach which is based on an iterative cycle exploiting Web data for (1) targeted archiving/crawling of Web objects, (2) entity extraction, and detection, and (3) entity correlation. The long-term goal is to preserve Web content over time and allow its navigation and analysis based on well-formed structured RDF data about entities.

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Content

Enthält die Abschnitte: (1) Terminology and philosophy of science; (2) Terminological theories and their development; (3) Terminology planning and internationalization of terminology; (4) Comparative studies in terminology; (5) Terminography; (6) Theoretical issues of terminology science. Enthält u.a. die Beiträge: OESER, E.: Terminology and philosophy of science; SLODZIAN, M.: Terminology theory and philosophy of science, CEVERE, R., I. GREITANE u. A. SPEKTORS: The problems of word classification in the formation of thematic word stock in automated terminological dictionaries; FELBER, H.: A relational model: objects, concepts, terms; PICHT, H.: On object and concept representation with focus on non-verbal forms of representation; TOFT, B.: Conceptual relations in terminology and knowledge engineering

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Date

22. 2.1997 19:42:34

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Series

Reference librarian; no.22

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Source

Library hi tech. 22(2004) no.1

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Footnote

Rez. in: KO 34(2007) no.4, S. 264-265 (L.C. Howarth): "At a time when cataloguing code revision is continuing apace with the consolidation of the International Standard Bibliographic Description (ISBD), the drafting of RDA: Resource Description and Access, and the development of common principles for an international cataloguing code (International Meeting of Experts on an International Cataloguing Code [IME ICC]), the publication of a guide for cataloguing cultural objects is timely and purposeful. Compiling this data content standard on behalf of the Visual Resources Association, the five editors - with oversight from an advisory board - have divided the guide into three parts. Following a brief introduction outlining the purpose, intended audience, and scope and methodology for the publication, Part One, General Guidelines, explains both what the Cataloging Cultural Objects (CCO) guide is "a broad document that includes rules for formatting data, suggestions for required information, controlled vocabulary requirements, and display issues" (p. I) and is not "not a metadata element set per se" (p. 1). Part Two, Elements, is further divided into nine chapters dealing with one or more metadata elements, and describing the relationships between and among each element. Part Three, Authorities, discusses what elements to include in building authority records. A Selected Bibliography, Glossary, and Index, respectively, round out the guide.
As the editors note in their introduction, "Standards that guide data structure, data values, and data content form the basis for a set of tools that can lead to good descriptive cataloging, consistent documentation, shared records, and increased end-user access" (p. xi). The VRA Core Categories, for example, represent a set of metadata elements expressed within an XML structure (data structure). Likewise, the Art Architecture Thesaurus contains sets of terms and relationships, or defined data values. While much effort has been expended on developing both data structures and values, the editors argue, the third leg of the stool, data content, has received less attention. Unlike the library community with its Anglo-American Cataloging Rules [sic though RDA is referenced in the Selected Bibliography], or its archival equivalent, Describing Archives: A Content Standard (DACS), those in the domain of cultural heritage responsible for describing and documenting works of art, architecture, cultural artifacts, and their respective images, have not had the benefit of such data content standards. CCO is intended to address (or redress) that gap, emphasizing the exercise of good judgment and cataloguer discretion over the application of "rigid rules" [p. xii], and building on existing standards. ... Overall, Cataloging Cultural Objects with its attending guidelines for descriptive metadata and authority control for "one-of-a-kind cultural objects" should merit a place among the "well-established" data content standards of the library and archival communities that CCO references with obvious regard."

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Content

To encourage a spirit of deeper reflection, the organizing committee invited 20-minute paper presentations, each followed by 10 minutes of discussion. (There were no separate, concurrent tracks.) This approach encouraged direct follow-up questions and discussion which carried forward from session to session, providing a satisfying sense of continuity to the overall conference theme of exploring the interaction between conceptual and empirical approaches to LIS. The expressed goals of CoLIS4 were to: - explore the existing and emerging conceptual frameworks and methods of library and information science as a field, - encourage discourse about the character and definitions of key concepts in LIS, and - examine the position of LIS among parallel contemporary domains and professions likewise concerned with information and information technology, such as computer science, management information systems, and new media and communication studies. The keynote address by Tom Wilson (University of Sheffield) provided an historical perspective on the philosophical and research frameworks of LIS in the post-World War II period. He traced the changing emphases on the objects of LIS study: definitions of information and documents; information retrieval, relevance, systems, and architectures; information users and behaviors. He raised issues of the relevance of LIS research to real-world information services and practice, and the gradual shift in research approaches from quantitative to qualitative. He concluded by stressing the ongoing need of LIS for cumulative, theory-based, and content-rich bodies of research, meaningful to practitioners and useful to contemporary LIS education.

Date

22. 2.2007 18:56:23
22. 2.2007 19:12:10

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Date

22. 2.1999 13:37:59

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Date

17.10.1995 18:22:54

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Date

22. 7.2000 19:12:24