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» A complex biological database querying method
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NAR
2006
129views more  NAR 2006»
13 years 7 months ago
AliWABA: alignment on the web through an A-Bruijn approach
Multiple sequence alignment programs are an invaluable tool in computational biology. A-Bruijn Alignment (ABA) is a method for multiple sequence alignment that represents an align...
Neil C. Jones, Degui Zhi, Benjamin J. Raphael
VLDB
1987
ACM
104views Database» more  VLDB 1987»
13 years 11 months ago
Magic Functions: A Technique to Optimize Extended Datalog Recursive Programs
Severalmethodshavebeenproposedto compile recursive Datalog programs. The most well-known perform a rewriting of rules using MAGIC or PROBLEM predicates in order to push selections...
Georges Gardarin
ICDE
2009
IEEE
192views Database» more  ICDE 2009»
14 years 9 months ago
Topologically Sorted Skylines for Partially Ordered Domains
The vast majority of work on skyline queries considers totally ordered domains, whereas in many applications some attributes are partially ordered, as for instance, domains of set ...
Dimitris Sacharidis, Stavros Papadopoulos, Dimitri...
VLDB
2005
ACM
139views Database» more  VLDB 2005»
14 years 1 months ago
Statistical Learning Techniques for Costing XML Queries
Developing cost models for query optimization is significantly harder for XML queries than for traditional relational queries. The reason is that XML query operators are much mor...
Ning Zhang 0002, Peter J. Haas, Vanja Josifovski, ...
ICDE
2006
IEEE
144views Database» more  ICDE 2006»
14 years 9 months ago
Approximately Processing Multi-granularity Aggregate Queries over Data Streams
Aggregate monitoring over data streams is attracting more and more attention in research community due to its broad potential applications. Existing methods suffer two problems, 1...
Shouke Qin, Weining Qian, Aoying Zhou