396 search results - page 31 / 80 » Semantic Optimization of Preference Queries |
ICDE
2005
IEEE
14 years 1 months ago
2005
IEEE
— XQuery, the defacto XML query language, is a functional language with operational semantics, which precludes the direct application of classical query optimization techniques. ...
APWEB
2010
Springer
14 years 15 days ago
2010
Springer
Abstract. The term Deep Web (sometimes also called Hidden Web) refers to the data content that is created dynamically as the result of a specific search on the Web. In this respec...
PPDP
2010
Springer
13 years 6 months ago
2010
Springer
This paperdescribes the use of a powerful graph query language for querying programs, and a novel combination of transformations for generating efficient implementations of the q...
SIGMOD
1996
ACM
13 years 12 months ago
1996
ACM
While much recent research has focussed on extending databases beyond the traditional relational model, relatively little has been done to develop database tools for querying data...
RECSYS
2009
ACM
14 years 2 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...