133 search results - page 12 / 27 » Ad-hoc Top-k Query Answering for Data Streams |
100
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JACM
2008
14 years 9 months ago
2008
XML queries are usually expressed by means of XPath expressions identifying portions of the selected documents. An XPath expression defines a way of navigating an XML tree and ret...
LATIN
2004
Springer
15 years 3 months ago
2004
Springer
We introduce a new sublinear space data structure—the Count-Min Sketch— for summarizing data streams. Our sketch allows fundamental queries in data stream summarization such a...
ISMIR
2000
Springer
15 years 1 months ago
2000
Springer
Music Information Retrieval has a longer history than most people realise, with systems developed in the 1960's. The field has its roots in information retrieval, musicology ...
132
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ICDE
2011
IEEE
14 years 1 months ago
2011
IEEE
— In this paper, we study the problem of efficiently computing multiple aggregation queries over a data stream. In order to share computation, prior proposals have suggested ins...
168
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ICDE
2006
IEEE
15 years 11 months ago
2006
IEEE
Relational data streams and XML streams have previously provided two separate research foci, but their unified support by a single Data Stream Management System (DSMS) is very des...