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» Genetic algorithms for large join query optimization
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DEXA
1995
Springer
126views Database» more  DEXA 1995»
13 years 11 months ago
A Heuristic Approach for Optimization of Path Expressions
Abstract. The object-oriented database management systems store references to objects (implicit joins, precomputed joins), and use path expressions in query languages. One way of e...
Cetin Ozkan, Asuman Dogac, Cem Evrendilek
CIKM
2006
Springer
13 years 11 months ago
Efficient join processing over uncertain data
In an uncertain database, each data item is modeled as a range associated with a probability density function. Previous works for this kind of data have focussed on simple queries...
Reynold Cheng, Sarvjeet Singh, Sunil Prabhakar, Ra...
SSDBM
2003
IEEE
164views Database» more  SSDBM 2003»
14 years 27 days ago
Approximate String Joins
String data is ubiquitous, and its management has taken on particular importance in the past few years. Approximate queries are very important on string data especially for more c...
Divesh Srivastava
ICGA
1997
153views Optimization» more  ICGA 1997»
13 years 9 months ago
Optimization of Large Scale Parcel Distribution Systems by the Breeder Genetic Algorithm (BGA)
The routing and scheduling of vehicles and their crews is an area of increasing importance. In this paper, we describe a large scale vehicle scheduling and routing problem which i...
Ulrich Bartling, Heinz Mühlenbein
EDBTW
2006
Springer
13 years 11 months ago
Hash-Based Structural Join Algorithms
Abstract. Algorithms for processing Structural Joins embody essential building blocks for XML query evaluation. Their design is a difficult task, because they have to satisfy many ...
Christian Mathis, Theo Härder