2985 search results - page 84 / 597 » Indexing Distributed Complex Data for Complex Queries |
176
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DEXA
2009
Springer
15 years 8 months ago
2009
Springer
Peer-to-Peer (P2P) data integration combines the P2P infrastructure with traditional scheme-based data integration techniques. Some of the primary problems in this research area ar...
238
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ICDT
2009
ACM
16 years 5 months ago
2009
ACM
We continue the study of approximating the number of distinct elements in a data stream of length n to within a (1? ) factor. It is known that if the stream may consist of arbitra...
132
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LICS
2002
IEEE
15 years 9 months ago
2002
IEEE
Monadic query languages over trees currently receive considerable interest in the database community, as the problem of selecting nodes from a tree is the most basic and widesprea...
138
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SIGIR
2010
ACM
15 years 8 months ago
2010
ACM
Entity information management (EIM) is a nascent IR research area that investigates the information management process about entities instead of documents. It is motivated by the ...
114
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ICALP
1999
Springer
15 years 9 months ago
1999
Springer
We demonstrate an ⍀( pn1ϩ1/p) lower bound on the average-case running time (uniform distribution) of p-pass Shellsort. This is the first nontrivial general lower bound for avera...