274 search results - page 30 / 55 » Computational complexity of queries based on itemsets |
121
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CORR
2011
Springer
14 years 7 months ago
2011
Springer
Abstract. We present a categorical denotational semantics for a database mapping, based on views, in the most general framework of a database integration/exchange. Developed databa...
123
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EDBT
2010
ACM
15 years 2 months ago
2010
ACM
Keyword-based search in relational databases allows users to discover relevant information without knowing the database schema or using complicated queries. However, such searches...
155
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AAAI
2011
14 years 14 days ago
2011
Inspired by “GoogleTM Sets” and Bayesian sets, we consider the problem of retrieving complex objects and relations among them, i.e., ground atoms from a logical concept, given...
DOLAP
1999
ACM
15 years 4 months ago
1999
ACM
This paper describes the Phoenix system, which loads a data warehouse and then reports against it. Between the raw atomic data of the source system and the business measures prese...
STOC
2004
ACM
16 years 23 days ago
2004
ACM
The problem of finding a local minimum of a black-box function is central for understanding local search as well as quantum adiabatic algorithms. For functions on the Boolean hype...