777 search results - page 44 / 156 » Optimization of Relational Preference Queries |
234
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ICDE
2007
IEEE
16 years 4 months ago
2007
IEEE
Linear optimization queries retrieve the top-K tuples in a sliding window of a data stream that maximize/minimize the linearly weighted sums of certain attribute values. To effici...
137
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RECSYS
2009
ACM
15 years 9 months ago
2009
ACM
Current conversational recommender systems are unable to offer guarantees on the quality of their recommendations due to a lack of principled user utility models. We develop an ap...
110
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DEXA
2005
Springer
15 years 8 months ago
2005
Springer
Abstract. Non-trivial retrieval applications involve complex computations on large multi-dimensional datasets. These should, in principle, benefit from the use of relational datab...
125
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DBPL
1991
Springer
15 years 6 months ago
1991
Springer
We propose a programming paradigm that tries to get close to both the semantic simplicity of relational algebra, and the expressive power of unrestricted programming languages. It...
124
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EMO
2006
Springer
15 years 6 months ago
2006
Springer
1 In most real world optimization problems several optimization goals have to be considered in parallel. For this reason, there has been a growing interest in Multi-Objective Optim...