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ICDE
2008
IEEE
160views Database» more  ICDE 2008»
14 years 10 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
VLDB
2002
ACM
129views Database» more  VLDB 2002»
13 years 8 months ago
Optimizing View Queries in ROLEX to Support Navigable Result Trees
An increasing number of applications use XML data published from relational databases. For speed and convenience, such applications routinely cache this XML data locally and acces...
Philip Bohannon, Sumit Ganguly, Henry F. Korth, P....
SEMWEB
2009
Springer
14 years 1 months ago
DOGMA: A Disk-Oriented Graph Matching Algorithm for RDF Databases
RDF is an increasingly important paradigm for the representation of information on the Web. As RDF databases increase in size to approach tens of millions of triples, and as sophis...
Matthias Bröcheler, Andrea Pugliese, V. S. Su...
CINQ
2004
Springer
163views Database» more  CINQ 2004»
14 years 2 months ago
Frequent Itemset Discovery with SQL Using Universal Quantification
Algorithms for finding frequent itemsets fall into two broad classes: (1) algorithms that are based on non-trivial SQL statements to query and update a database, and (2) algorithms...
Ralf Rantzau
ADC
2003
Springer
128views Database» more  ADC 2003»
14 years 2 months ago
An algorithm for the induction of defeasible logic theories from databases
Defeasible logic is a non-monotonic logic with applications in rule-based domains such as law. To ease the development and improve the accuracy of expert systems based on defeasib...
Benjamin Johnston, Guido Governatori