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ICDE
2008
IEEE
160views Database» more  ICDE 2008»
14 years 9 months ago
Exploiting Lineage for Confidence Computation in Uncertain and Probabilistic Databases
We study the problem of computing query results with confidence values in ULDBs: relational databases with uncertainty and lineage. ULDBs, which subsume probabilistic databases, o...
Anish Das Sarma, Martin Theobald, Jennifer Widom
MIS
2004
Springer
162views Multimedia» more  MIS 2004»
14 years 27 days ago
Integrating the Results of Multimedia Sub-Queries Using Qualitative Preferences
When similarity queries over multimedia databases are processed by splitting the overall query condition into a set of sub-queries, the problem of how to efficiently and effectiv...
Ilaria Bartolini, Paolo Ciaccia, Vincent Oria, M. ...
SIGMOD
2010
ACM
153views Database» more  SIGMOD 2010»
14 years 10 days ago
Threshold query optimization for uncertain data
The probabilistic threshold query (PTQ) is one of the most common queries in uncertain databases, where all results satisfying the query with probabilities that meet the threshold...
Yinian Qi, Rohit Jain, Sarvjeet Singh, Sunil Prabh...
DAGSTUHL
1997
13 years 9 months ago
Querying the Uncertain Position of Moving Objects
In this paper we propose a data model for representing moving objects with uncertain positions in database systems. It is called the Moving Objects Spatio-Temporal (MOST) data mod...
A. Prasad Sistla, Ouri Wolfson, Sam Chamberlain, S...
EDBT
2002
ACM
246views Database» more  EDBT 2002»
14 years 7 months ago
Impact and Potential of User Profiles Used for Distributed Query Processing Based on Literature Services
Applying meta search systems is a suitable method to support the user if there are many different services. Due to information splitting strategies of literature services existing ...
Bethina Schmitt