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» Perspectives on ontology-based querying
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PODS
2010
ACM
187views Database» more  PODS 2010»
14 years 21 days ago
Incremental query evaluation in a ring of databases
This paper approaches the incremental view maintenance problem from an algebraic perspective. We construct a ring of databases and use it as the foundation of the design of a quer...
Christoph Koch
ICDE
2010
IEEE
568views Database» more  ICDE 2010»
14 years 7 months ago
Reverse Top-k Queries
Rank-aware query processing has become essential for many applications that return to the user only the top-k objects based on the individual user's preferences. Top-k queries...
Akrivi Vlachou, Christos Doulkeridis, Kjetil N&osl...
ICDM
2008
IEEE
138views Data Mining» more  ICDM 2008»
14 years 2 months ago
Geographic Knowledge Discovery in INGENS: An Inductive Database Perspective
INGENS is a prototype of GIS which integrates a geographic knowledge discovery engine to mine several kinds of spatial KDD objects from the topographic maps stored in a spatial da...
Annalisa Appice, Anna Ciampi, Antonietta Lanza, Do...
EWIMT
2004
13 years 9 months ago
Reasoning on the Web: Language Prototypes and Perspectives
Reasoning on the Web is gaining in importance because of emerging Web applications such as contextadaptive Web systems (e.g. eLearning, recommender, personalised (multi-)media, an...
Sacha Berger, François Bry, Bernhard Lorenz...
AIMSA
2010
Springer
13 years 9 months ago
Expressive Approximations in DL-Lite Ontologies
Abstract. Ontology based data access (OBDA) is concerned with providing access to typically very large data sources through a mediating conceptual layer that allows one to improve ...
Elena Botoeva, Diego Calvanese, Mariano Rodriguez-...