Extending Attribute Dependencies for Lattice-Based Querying and Navigation
Identifieur interne : 001F83 ( Istex/Curation ); précédent : 001F82; suivant : 001F84Extending Attribute Dependencies for Lattice-Based Querying and Navigation
Auteurs : Nizar Messai [France] ; Marie-Dominique Devignes [France] ; Amedeo Napoli [France] ; Malika Smaïl-Tabbone [France]Source :
- Lecture Notes in Computer Science [ 0302-9743 ]
Abstract
Abstract: In this paper we study dependencies of attributes in the context of Formal Concept Analysis. These dependencies allow to define a hierarchy of attributes reflecting the importance or interest in attributes. A hierarchy of attributes is a set of attributes partially ordered with respect to their importance. It represents domain knowledge used to improve lattice-based querying and navigation. Actually, in lattice-based querying, hierarchies of attributes are used to define complex queries containing attributes with different levels of importance: more important attributes define the focus of the retrieval while less important ones define secondary information whose presence is desirable in the answers. Furthermore, the relation between attributes in a complex query represents implicit or explicit knowledge units that must be considered while computing answers. Similarly, in lattice-based navigation, the choice of moving to a particular concept rather than to another is influenced by the higher importance of the attributes in the concept intent. Hence, the design and use of a hierarchy of attributes leads to a navigation guided by domain knowledge.
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DOI: 10.1007/978-3-540-70596-3_13
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LORIA, BP 239, 54506, Vandœuvre-Lès-Nancy, France</mods:affiliation><country xml:lang="fr">France</country><wicri:regionArea>INRIA Nancy - LORIA, BP 239, 54506, Vandœuvre-Lès-Nancy</wicri:regionArea></affiliation><affiliation wicri:level="1"><mods:affiliation>E-mail: napoli@loria.fr</mods:affiliation><country wicri:rule="url">France</country></affiliation></author><author><name sortKey="Smail Tabbone, Malika" sort="Smail Tabbone, Malika" uniqKey="Smail Tabbone M" first="Malika" last="Smaïl-Tabbone">Malika Smaïl-Tabbone</name><affiliation wicri:level="1"><mods:affiliation>INRIA Nancy - LORIA, BP 239, 54506, Vandœuvre-Lès-Nancy, France</mods:affiliation><country xml:lang="fr">France</country><wicri:regionArea>INRIA Nancy - LORIA, BP 239, 54506, Vandœuvre-Lès-Nancy</wicri:regionArea></affiliation><affiliation wicri:level="1"><mods:affiliation>E-mail: malika@loria.fr</mods:affiliation><country wicri:rule="url">France</country></affiliation></author></analytic><monogr></monogr><series><title level="s" type="main" xml:lang="en">Lecture Notes in Computer Science</title><idno type="ISSN">0302-9743</idno><idno type="eISSN">1611-3349</idno><idno type="ISSN">0302-9743</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0302-9743</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract: In this paper we study dependencies of attributes in the context of Formal Concept Analysis. These dependencies allow to define a hierarchy of attributes reflecting the importance or interest in attributes. A hierarchy of attributes is a set of attributes partially ordered with respect to their importance. It represents domain knowledge used to improve lattice-based querying and navigation. Actually, in lattice-based querying, hierarchies of attributes are used to define complex queries containing attributes with different levels of importance: more important attributes define the focus of the retrieval while less important ones define secondary information whose presence is desirable in the answers. Furthermore, the relation between attributes in a complex query represents implicit or explicit knowledge units that must be considered while computing answers. Similarly, in lattice-based navigation, the choice of moving to a particular concept rather than to another is influenced by the higher importance of the attributes in the concept intent. Hence, the design and use of a hierarchy of attributes leads to a navigation guided by domain knowledge.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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