188 search results - page 6 / 38 » Query evaluation with soft-key constraints |
CIKM
2010
Springer
13 years 5 months ago
2010
Springer
We introduce EntityEngine, a system for answering entityrelationship queries over text. Such queries combine SQLlike structures with IR-style keyword constraints and therefore, ca...
GEOS
2009
Springer
13 years 12 months ago
2009
Springer
Abstract. Often the information present in a spatial knowledge base is represented at a different level of granularity and abstraction than the query constraints. For querying onto...
GRID
2003
Springer
14 years 17 days ago
2003
Springer
We are developing a grid information service, RGIS, that is based on the relational data model. RGIS supports complex queries written in SQL that search for compositions (using jo...
ADBIS
2004
Springer
13 years 11 months ago
2004
Springer
Abstract. We present for the first-order theory of atomic Boolean algebras of sets with linear cardinality constraints a quantifier elimination algorithm. In the case of atomic Boo...
CIKM
2004
Springer
14 years 23 days ago
2004
Springer
An important class of queries is the LIKE predicate in SQL. In the absence of an index, LIKE queries are subject to performance degradation. The notion of indexing on substrings (...