2853 search results - page 220 / 571 » On the Efficiency of Provenance Queries |
171
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ECIR
1998
Springer
15 years 8 months ago
1998
Springer
In many domains there are specific attributes in documents that carry more weight than the general words in the document. This paper proposes the use of information extraction tec...
188
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CORR
2008
Springer
15 years 6 months ago
2008
Springer
We consider graph properties that can be checked from labels, i.e., bit sequences, of logarithmic length attached to vertices. We prove that there exists such a labeling for check...
155
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DEBU
2002
15 years 6 months ago
2002
Current moving-object indexing concentrates on point-objects capable of continuous movement in one-, two-, and three-dimensional Euclidean spaces, and most approaches are based on...
167
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SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
We consider the problem of evaluating large numbers of XPath filters, each with many predicates, on a stream of XML documents. The solution we propose is to lazily construct a sin...
136
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ELPUB
2006
ACM
16 years 17 days ago
2006
ACM
This paper concerns the document multi-structuring issue. For various use objectives, many distinct structures may be defined simultaneously for the same original document. For ex...