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VLDB
2005
ACM
134views Database» more  VLDB 2005»
16 years 10 days ago
MDL Summarization with Holes
Summarization of query results is an important problem for many OLAP applications. The Minimum Description Length principle has been applied in various studies to provide summarie...
Shaofeng Bu, Laks V. S. Lakshmanan, Raymond T. Ng
VLDB
2005
ACM
129views Database» more  VLDB 2005»
16 years 10 days ago
Sketching Streams Through the Net: Distributed Approximate Query Tracking
Emerging large-scale monitoring applications require continuous tracking of complex dataanalysis queries over collections of physicallydistributed streams. Effective solutions hav...
Graham Cormode, Minos N. Garofalakis
VLDB
2005
ACM
122views Database» more  VLDB 2005»
16 years 10 days ago
Optimizing Nested Queries with Parameter Sort Orders
Nested iteration is an important technique for query evaluation. It is the default way of executing nested subqueries in SQL. Although decorrelation often results in cheaper non-n...
Ravindra Guravannavar, H. S. Ramanujam, S. Sudarsh...
VLDB
2005
ACM
140views Database» more  VLDB 2005»
16 years 10 days ago
Complex Spatio-Temporal Pattern Queries
This paper introduces a novel type of query, what we name Spatio-temporal Pattern Queries (STP). Such a query specifies a spatiotemporal pattern as a sequence of distinct spatial...
Marios Hadjieleftheriou, George Kollios, Petko Bak...
VLDB
2005
ACM
93views Database» more  VLDB 2005»
16 years 10 days ago
Revisiting Pipelined Parallelism in Multi-Join Query Processing
Multi-join queries are the core of any integration service that integrates data from multiple distributed data sources. Due to the large number of data sources and possibly high v...
Bin Liu, Elke A. Rundensteiner