1552 search results - page 297 / 311 » Efficient Aggregate Computation over Data Streams |
VLDB
2007
ACM
14 years 9 months ago
2007
ACM
Views over probabilistic data contain correlations between tuples, and the current approach is to capture these correlations using explicit lineage. In this paper we propose an al...
SIGMOD
2007
ACM
14 years 9 months ago
2007
ACM
Partial evaluation has recently proven an effective technique for evaluating Boolean XPath queries over a fragmented tree that is distributed over a number of sites. What left ope...
PERCOM
2005
ACM
14 years 8 months ago
2005
ACM
Unique and challenging security problems arise due to the scarcity of computational, storage, and power resources in the low-cost pervasive computing environment. Particularly rel...
CIKM
1999
Springer
14 years 1 months ago
1999
Springer
A research prototype is presented for semantic indexing and retrieval in Information Retrieval. The prototype is motivated by a desire to provide a more efficient and effective in...
SIGGRAPH
1996
ACM
14 years 29 days ago
1996
ACM
Recent progress in acquiring shape from range data permits the acquisition of seamless million-polygon meshes from physical models. In this paper, we present an algorithm and syst...