10615 search results - page 1840 / 2123 » Dynamic topic models |
226
Voted
VLDB
2009
ACM
16 years 4 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...
146
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SIGMOD
2004
ACM
16 years 4 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...
166
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SIGMOD
2004
ACM
16 years 4 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...
143
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SIGMOD
2003
ACM
16 years 4 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...
134
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EDBT
2008
ACM
16 years 4 months ago
2008
ACM
For complex data mining queries, query optimization issues arise, similar to those for the traditional database queries. However, few works have applied the cost-based query optim...