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» Process Querying in Apromore
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PODS
2003
ACM
158views Database» more  PODS 2003»
14 years 10 months ago
Computing full disjunctions
Full disjunctions are an associative extension of the outerjoin operator to an arbitrary number of relations. Their main advantage is the ability to maximally combine data from di...
Yaron Kanza, Yehoshua Sagiv
PODS
2004
ACM
189views Database» more  PODS 2004»
14 years 10 months ago
The Lixto Data Extraction Project - Back and Forth between Theory and Practice
We present the Lixto project, which is both a research project in database theory and a commercial enterprise that develops Web data extraction (wrapping) and Web service definiti...
Georg Gottlob, Christoph Koch, Robert Baumgartner,...
PODS
2005
ACM
131views Database» more  PODS 2005»
14 years 10 months ago
Space efficient mining of multigraph streams
The challenge of monitoring massive amounts of data generated by communication networks has led to the interest in data stream processing. We study streams of edges in massive com...
Graham Cormode, S. Muthukrishnan
PODS
2008
ACM
123views Database» more  PODS 2008»
14 years 10 months ago
Evaluating rank joins with optimal cost
In the rank join problem, we are given a set of relations and a scoring function, and the goal is to return the join results with the top K scores. It is often the case in practic...
Karl Schnaitter, Neoklis Polyzotis
EDBT
2006
ACM
118views Database» more  EDBT 2006»
14 years 10 months ago
Multi-dimensional Aggregation for Temporal Data
Business Intelligence solutions, encompassing technologies such as multi-dimensional data modeling and aggregate query processing, are being applied increasingly to non-traditional...
Christian S. Jensen, Johann Gamper, Michael H. B&o...