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EUROPAR
2000
Springer
13 years 11 months ago
Ahnentafel Indexing into Morton-Ordered Arrays, or Matrix Locality for Free
Abstract. Definitions for the uniform representation of d-dimensional matrices serially in Morton-order (or Z-order) support both their use with cartesian indices, and their divide...
David S. Wise
SIGMOD
2003
ACM
105views Database» more  SIGMOD 2003»
14 years 7 months ago
Factorizing Complex Predicates in Queries to Exploit Indexes
Decision-support applications generate queries with complex predicates. We show how the factorization of complex query expressions exposes significant opportunities for exploiting...
Surajit Chaudhuri, Prasanna Ganesan, Sunita Sarawa...
ICONIP
2009
13 years 5 months ago
"Dead" Chromosomes and Their Elimination in the Neuro-Genetic Stock Index Prediction System
This paper presents a method for a short-term stock index prediction. The source data comes from the German Stock Exchange (being the target market) and two other markets (Tokyo St...
Jacek Mandziuk, Marcin Jaruszewicz
ESA
2011
Springer
269views Algorithms» more  ESA 2011»
12 years 7 months ago
Alphabet-Independent Compressed Text Indexing
Self-indexes can represent a text in asymptotically optimal space under the k-th order entropy model, give access to text substrings, and support indexed pattern searches. Their ti...
Djamal Belazzougui, Gonzalo Navarro
CIKM
2009
Springer
14 years 2 months ago
Bitmap indexes for relational XML twig query processing
Due to an increasing volume of XML data, it is considered prudent to store XML data on an industry-strength database system instead of relying on a domain specific application or...
Kyong-Ha Lee, Bongki Moon