2063 search results - page 98 / 413 » Containment of Aggregate Queries |
144
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ECIR
2007
Springer
15 years 5 months ago
2007
Springer
Question answering systems rely on retrieval components to identify documents that contain an answer to a user’s question. The formulation of queries that are used for retrieving...
156
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COMPGEOM
2007
ACM
15 years 8 months ago
2007
ACM
We present a data structure for answering approximate shortest path queries in a planar subdivision from a fixed source. Let 1 be a real number. Distances in each face of this sub...
152
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EDBT
2004
ACM
16 years 4 months ago
2004
ACM
We study the problem of answering queries over sources with limited access patterns. The problem is to decide whether a given query Q is feasible, i.e., equivalent to an executable...
264
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ICDE
2007
IEEE
16 years 5 months ago
2007
IEEE
Optimizing nested queries is an intricate problem. It becomes even harder if in a nested query the linking predicate or the correlation predicate occurs disjunctively. We present ...
139
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ADBIS
2004
Springer
15 years 9 months ago
2004
Springer
Abstract. Often, XML documents stored in an XML database must be transformed by an XSL processor into a client-specific format before queries are submitted. In applications where X...