-
Priss, U.: Faceted knowledge representation (1999)
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- Abstract
- Faceted Knowledge Representation provides a formalism for implementing knowledge systems. The basic notions of faceted knowledge representation are "unit", "relation", "facet" and "interpretation". Units are atomic elements and can be abstract elements or refer to external objects in an application. Relations are sequences or matrices of 0 and 1's (binary matrices). Facets are relational structures that combine units and relations. Each facet represents an aspect or viewpoint of a knowledge system. Interpretations are mappings that can be used to translate between different representations. This paper introduces the basic notions of faceted knowledge representation. The formalism is applied here to an abstract modeling of a faceted thesaurus as used in information retrieval.
- Date
- 22. 1.2016 17:30:31
-
Dunning, A.: Do we still need search engines? (1999)
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- Ariadne. 1999, no.22
-
Priss, U.: Description logic and faceted knowledge representation (1999)
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- Abstract
- The term "facet" was introduced into the field of library classification systems by Ranganathan in the 1930's [Ranganathan, 1962]. A facet is a viewpoint or aspect. In contrast to traditional classification systems, faceted systems are modular in that a domain is analyzed in terms of baseline facets which are then synthesized. In this paper, the term "facet" is used in a broader meaning. Facets can describe different aspects on the same level of abstraction or the same aspect on different levels of abstraction. The notion of facets is related to database views, multicontexts and conceptual scaling in formal concept analysis [Ganter and Wille, 1999], polymorphism in object-oriented design, aspect-oriented programming, views and contexts in description logic and semantic networks. This paper presents a definition of facets in terms of faceted knowledge representation that incorporates the traditional narrower notion of facets and potentially facilitates translation between different knowledge representation formalisms. A goal of this approach is a modular, machine-aided knowledge base design mechanism. A possible application is faceted thesaurus construction for information retrieval and data mining. Reasoning complexity depends on the size of the modules (facets). A more general analysis of complexity will be left for future research.
- Date
- 22. 1.2016 17:30:31
-
GERHARD : eine Spezialsuchmaschine für die Wissenschaft (1998)
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- Source
- RRZN-Info. 1998, BI315, S.9
-
Overton, R.: Search engines get faster and faster, but not always better (1996)
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- Source
- PC world. 14(1996) Sept., S. -
-
Page, A.: ¬The search is over : the search-engines secrets of the pros (1996)
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- Source
- PC computing. 1996, Oct., S. -
-
Weibel, S.: ¬The State of the Dublin Core Metadata Initiative April 1999 (1999)
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- Source
- D-Lib magazine. 5(1999) no.4, xx S
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Zimmer, D.E.: Mr. Searle im Chinesischen Zimmer : über Computer, Gehirne und Geist (1990)
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- Content
- Als Taschenbuch München: Heyne, 1997, S.211-248.
- Pages
- S.203-237
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Peters, C.; Picchi, E.: Across languages, across cultures : issues in multilinguality and digital libraries (1997)
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- Source
- D-Lib magazine. 3(1997) no.5, xx S
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Powell, J.; Fox, E.A.: Multilingual federated searching across heterogeneous collections (1998)
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- Source
- D-Lib magazine. 4(1998) no.9, xx S
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Shneiderman, B.; Byrd, D.; Croft, W.B.: Clarifying search : a user-interface framework for text searches (1997)
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- Source
- D-Lib magazine. 3(1997) no.1, xx S
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Brin, S.; Page, L.: ¬The anatomy of a large-scale hypertextual Web search engine (1998)
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- Source
- Computer networks. 30(1998) no.1-7, S.107-117
-
Bearman, D.; Miller, E.; Rust, G.; Trant, J.; Weibel, S.: ¬A common model to support interoperable metadata : progress report on reconciling metadata requirements from the Dublin Core and INDECS/DOI communities (1999)
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- Source
- D-Lib magazine. 5(1999) no.1, xx S
-
Kirriemuir, J.; Brickley, D.; Welsh, S.; Knight, J.; Hamilton, M.: Cross-searching subject gateways : the query routing and forward knowledge approach (1998)
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- Source
- D-Lib magazine. 4(1998) no.1, xx S
-
Miller, E.: ¬An introduction to the Resource Description Framework (1998)
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- Source
- D-Lib magazine. 4(1998) no.5, xx S
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Retti, G.: "Schlagwortnormdatei" und "Regeln für den Schlagwortkatalog" (1995)
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- Pages
- 16 S.
-
Hill, L.L.; Frew, J.; Zheng, Q.: Geographic names : the implementation of a gazetteer in a georeferenced digital library (1999)
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- Abstract
- The Alexandria Digital Library (ADL) Project has developed a content standard for gazetteer objects and a hierarchical type scheme for geographic features. Both of these developments are based on ADL experience with an earlier gazetteer component for the Library, based on two gazetteers maintained by the U.S. federal government. We define the minimum components of a gazetteer entry as (1) a geographic name, (2) a geographic location represented by coordinates, and (3) a type designation. With these attributes, a gazetteer can function as a tool for indirect spatial location identification through names and types. The ADL Gazetteer Content Standard supports contribution and sharing of gazetteer entries with rich descriptions beyond the minimum requirements. This paper describes the content standard, the feature type thesaurus, and the implementation and research issues. A gazetteer is list of geographic names, together with their geographic locations and other descriptive information. A geographic name is a proper name for a geographic place and feature, such as Santa Barbara County, Mount Washington, St. Francis Hospital, and Southern California. There are many types of printed gazetteers. For example, the New York Times Atlas has a gazetteer section that can be used to look up a geographic name and find the page(s) and grid reference(s) where the corresponding feature is shown. Some gazetteers provide information about places and features; for example, a history of the locale, population data, physical data such as elevation, or the pronunciation of the name. Some lists of geographic names are available as hierarchical term sets (thesauri) designed for information retreival; these are used to describe bibliographic or museum materials. Examples include the authority files of the U.S. Library of Congress and the GeoRef Thesaurus produced by the American Geological Institute. The Getty Museum has recently made their Thesaurus of Geographic Names available online. This is a major project to develop a controlled vocabulary of current and historical names to describe (i.e., catalog) art and architecture literature. U.S. federal government mapping agencies maintain gazetteers containing the official names of places and/or the names that appear on map series. Examples include the U.S. Geological Survey's Geographic Names Information System (GNIS) and the National Imagery and Mapping Agency's Geographic Names Processing System (GNPS). Both of these are maintained in cooperation with the U.S. Board of Geographic Names (BGN). Many other examples could be cited -- for local areas, for other countries, and for special purposes. There is remarkable diversity in approaches to the description of geographic places and no standardization beyond authoritative sources for the geographic names themselves.
- Source
- D-Lib magazine. 5(1999) no.1, xx S
-
Dolin, R.; Agrawal, D.; El Abbadi, A.; Pearlman, J.: Using automated classification for summarizing and selecting heterogeneous information sources (1998)
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- 11 S.
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Pitti, D.V.: Encoded Archival Description : an introduction and overview (1999)
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- D-Lib magazine. 5(1999) no.11, x S
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Brüggemann-Klein, A.; Klein, R.; Landgraf, B.: BibRelEx : Exploring bibliographic databases by visualization of annotated content-based relations (1999)
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