2853 search results - page 297 / 571 » On the Efficiency of Provenance Queries |
214
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WWW
2008
ACM
15 years 6 months ago
2008
ACM
We propose a novel Partition Path-Based (PPB) grouping strategy to store compressed XML data in a stream of blocks. In addition, we employ a minimal indexing scheme called Block S...
211
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ICDE
2010
IEEE
15 years 4 months ago
2010
IEEE
In this paper, we propose the Hybrid-Layer Index (simply, the HL-index) that is designed to answer top-k queries efficiently when the queries are expressed on any arbitrary subset ...
182
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EDBT
2006
ACM
16 years 6 months ago
2006
ACM
Similarity search in time series data is required in many application fields. The most prominent work has focused on similarity search considering either complete time series or si...
210
Voted
MOBICOM
2010
ACM
15 years 6 months ago
2010
ACM
Consider mobile targets moving in a plane and their movements being monitored by a network such as a field of sensors. We develop distributed algorithms for in-network tracking an...
203
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PVLDB
2008
15 years 6 months ago
2008
The old problem of managing the history of database information is now made more urgent and complex by fast spreading web information systems, such as Wikipedia. Our PRIMA system ...