2095 search results - page 224 / 419 » Modeling and Querying Semi-structured Data |
230
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JBCS
2010
15 years 1 months ago
2010
Schema matching is a fundamental issue to many database applications, such as query mediation and data warehousing. It becomes a challenge when different vocabularies are used to r...
186
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ICTAI
2008
IEEE
16 years 28 days ago
2008
IEEE
A major challenge in building recommender systems is organizing the recommendation space since, the underlying data organization scheme has a significant impact on the overall pe...
151
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TIME
2003
IEEE
15 years 11 months ago
2003
IEEE
In bitemporal databases, current facts and transaction states are modelled using a special value to represent the current time (such as a minimum or maximum timestamp or NULL). Pr...
175
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ICDT
2001
ACM
15 years 11 months ago
2001
ACM
Withthe proliferation of database views and curated databases, the issue of data provenance where a piece of data came from and the process by which it arrived in the database is b...
214
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WSDM
2012
ACM
14 years 2 months ago
2012
ACM
We present a new approach for personalizing Web search results to a specific user. Ranking functions for Web search engines are typically trained by machine learning algorithms u...