4961 search results - page 147 / 993 » Homomorphism-Homogeneous Relational Structures |
113
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SIGMOD
2002
ACM
16 years 3 months ago
2002
ACM
Spatial indexing has been one of the active focus areas in recent database research. Several variants of Quadtree and R-tree indexes have been proposed in database literature. In ...
225
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SIGMOD
2009
ACM
16 years 3 months ago
2009
ACM
Keyword search in relational databases (RDBs) has been extensively studied recently. A keyword search (or a keyword query) in RDBs is specified by a set of keywords to explore the...
138
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TABLEAUX
2009
Springer
15 years 9 months ago
2009
Springer
Memory logics are modal logics whose semantics is specified in terms of relational models enriched with additional data structure to represent memory. The logical language is then...
129
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APWEB
2004
Springer
15 years 8 months ago
2004
Springer
In a state-of-the-art XML database, an XML query is evaluated as a sequence of structural joins in which positions of data nodes are used to perform each individual structural joi...
124
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ICDT
2001
ACM
15 years 7 months ago
2001
ACM
A number of efficient methods for evaluating first-order and monadic-second order queries on finite relational structures are based on tree-decompositions of structures or quer...