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BTW
2005
Springer
108views Database» more  BTW 2005»
14 years 27 days ago
Integrating the Relational Interval Tree into IBM's DB2 Universal Database Server
: User-defined data types such as intervals require specialized access methods to be efficiently searched and queried. As database implementors cannot provide appropriate index str...
Christoph Brochhaus, Jost Enderle, Achim Schlosser...
VLDB
2007
ACM
143views Database» more  VLDB 2007»
14 years 7 months ago
OLAP over Imprecise Data with Domain Constraints
Several recent papers have focused on OLAP over imprecise data, where each fact can be a region, instead of a point, in a multidimensional space. They have provided a multiple-wor...
Douglas Burdick, AnHai Doan, Raghu Ramakrishnan, S...
SIGMOD
2005
ACM
133views Database» more  SIGMOD 2005»
14 years 7 months ago
Constrained Optimalities in Query Personalization
Personalization is a powerful mechanism that helps users to cope with the abundance of information on the Web. Database query personalization achieves this by dynamically construc...
Georgia Koutrika, Yannis E. Ioannidis
VLDB
1994
ACM
149views Database» more  VLDB 1994»
13 years 11 months ago
Qualified Answers That Reflect User Needs and Preferences
This paper introduces a formalism to describe the needs and preferences of database users. Because of the precise formulation of these concepts, we have found an automatic and ver...
Terry Gaasterland, Jorge Lobo
APWEB
2010
Springer
14 years 5 days ago
Optimizing Query Processing for the Hidden Web
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...
Andrea Calì, Davide Martinenghi