9305 search results - page 1572 / 1861 » Modeling Blog Dynamics |
270
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VLDB
2004
ACM
16 years 6 months ago
2004
ACM
Abstract. In dynamic environments like the Web, data sources may change not only their data but also their schemas, their semantics, and their query capabilities.When a mapping is ...
273
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VLDB
2009
ACM
16 years 6 months ago
2009
ACM
This paper answers the following question; given a multiplicity of evolving 1-way conversations, can a machine or an algorithm discern the conversational pairs in an online fashio...
186
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
Cardinality estimation during query optimization relies on simplifying assumptions that usually do not hold in practice. To diminish the impact of inaccurate estimates during opti...
194
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
Despite the widespread and growing use of asynchronous copies to improve scalability, performance and availability, this practice still lacks a firm semantic foundation. Applicati...
195
Voted
SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
Finding patterns in large, real, spatio/temporal data continues to attract high interest (e.g., sales of products over space and time, patterns in mobile phone users; sensor netwo...