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» Optimization of Sequence Queries in Database Systems
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NAR
2006
170views more  NAR 2006»
13 years 8 months ago
The UCSC Genome Browser Database: update 2006
The University of California Santa Cruz Genome Browser Database (GBD) contains sequence and annotation data for the genomes of about a dozen vertebrate species and several major m...
Angela S. Hinrichs, Donna Karolchik, Robert Baerts...
VLDB
2005
ACM
85views Database» more  VLDB 2005»
14 years 2 months ago
Pattern Tree Algebras: Sets or Sequences?
XML and XQuery semantics are very sensitive to the order of the produced output. Although pattern-tree based algebraic approaches are becoming more and more popular for evaluating...
Stelios Paparizos, H. V. Jagadish
ICEBE
2005
IEEE
168views Business» more  ICEBE 2005»
14 years 2 months ago
Frequency Operators for Condensative Queries over Data Streams
Over a traditional Database Management System (DBMS), the answer to an aggregate query is usually much smaller than the answer to a similar nonaggregate query. Therefore, we call ...
Lisha Ma, Werner Nutt
SSDBM
2005
IEEE
140views Database» more  SSDBM 2005»
14 years 2 months ago
Optimizing In-Order Execution of Continuous Queries over Streamed Sensor Data
The widespread use of sensor networks in scientific and engineering applications leads to increased demand on the efficient computation of the collected sensor data. Recent rese...
Moustafa A. Hammad, Walid G. Aref, Ahmed K. Elmaga...
VLDB
1997
ACM
117views Database» more  VLDB 1997»
14 years 1 months ago
Optimizing Queries Across Diverse Data Sources
Businesses today need to interrelate data stored in diverse systems with differing capabilities, ideally via a single high-level query interface. We present the design of a query ...
Laura M. Haas, Donald Kossmann, Edward L. Wimmers,...