1000 search results - page 178 / 200 » Provenance for Aggregate Queries |
PVLDB
2008
13 years 9 months ago
2008
Many stream-processing systems enforce an order on data streams during query evaluation to help unblock blocking operators and purge state from stateful operators. Such in-order p...
IACR
2011
12 years 9 months ago
2011
We consider the family of 2n-to-n-bit compression functions that are solely based on at most three permutation executions and on XOR-operators, and analyze its collision and preima...
ICDE
2009
IEEE
14 years 11 months ago
2009
IEEE
Information extraction from text databases is a useful paradigm to populate relational tables and unlock the considerable value hidden in plain-text documents. However, information...
WWW
2005
ACM
14 years 10 months ago
2005
ACM
Search engines are the primary gateways of information access on the Web today. Behind the scenes, search engines crawl the Web to populate a local indexed repository of Web pages...
EDBT
2008
ACM
14 years 10 months ago
2008
ACM
There has been much recent interest in on-line data mining. Existing mining algorithms designed for stored data are either not applicable or not effective on data streams, where r...