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» Query Processing over Incomplete Autonomous Databases
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ICDE
2010
IEEE
272views Database» more  ICDE 2010»
15 years 9 months ago
SMARTINT: A System for Answering Queries over Web Databases Using Attribute Dependencies
Many web databases can be seen as providing partial and overlapping information about entities in the world. To answer queries effectively, we need to integrate the information abo...
Ravi Gummadi, Anupam Khulbe, Aravind Kalavagattu, ...
ICDT
2007
ACM
126views Database» more  ICDT 2007»
15 years 4 months ago
Combining Incompleteness and Ranking in Tree Queries
Abstract. In many cases, users may want to consider incomplete answers to their queries. Often, however, there is an overwhelming number of such answers, even if subsumed answers a...
Benny Kimelfeld, Yehoshua Sagiv
TOIS
2008
145views more  TOIS 2008»
14 years 9 months ago
Classification-aware hidden-web text database selection
Many valuable text databases on the web have non-crawlable contents that are "hidden" behind search interfaces. Metasearchers are helpful tools for searching over multip...
Panagiotis G. Ipeirotis, Luis Gravano
MDM
2005
Springer
174views Communications» more  MDM 2005»
15 years 3 months ago
GPAC: generic and progressive processing of mobile queries over mobile data
This paper introduces a new family of Generic and Progressive algorithms (GPAC, for short) for continuous mobile queries over mobile objects. GPAC provides a general skeleton that...
Mohamed F. Mokbel, Walid G. Aref
EDBTW
2006
Springer
15 years 1 months ago
Models for Incomplete and Probabilistic Information
Abstract. We discuss, compare and relate some old and some new models for incomplete and probabilistic databases. We characterize the expressive power of c-tables over infinite dom...
Todd J. Green, Val Tannen