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PAMI
2002
106views more  PAMI 2002»
14 years 11 months ago
Performance Evaluation of Some Clustering Algorithms and Validity Indices
In this article, we evaluate the performance of three clustering algorithms, hard K-Means, single linkage, and a simulated annealing (SA) based technique, in conjunction with four ...
Ujjwal Maulik, Sanghamitra Bandyopadhyay
ISCI
2007
141views more  ISCI 2007»
14 years 11 months ago
A performance comparison of distance-based query algorithms using R-trees in spatial databases
Efficient processing of distance-based queries (DBQs) is of great importance in spatial databases due to the wide area of applications that may address such queries. The most repr...
Antonio Corral, Jesús Manuel Almendros-Jim&...
WABI
2005
Springer
15 years 5 months ago
Rotamer-Pair Energy Calculations Using a Trie Data Structure
Abstract. Protein design software places amino acid side chains by precomputing rotamer-pair energies and optimizing rotamer placement. If the software optimizes by rapid stochasti...
Andrew Leaver-Fay, Brian Kuhlman, Jack Snoeyink
ECML
2001
Springer
15 years 4 months ago
Mining the Web for Synonyms: PMI-IR versus LSA on TOEFL
Abstract. This paper presents a simple unsupervised learning algorithm for recognizing synonyms, based on statistical data acquired by querying a Web search engine. The algorithm, ...
Peter D. Turney
PPSC
2001
15 years 1 months ago
Airline Crew Pairing Generation in Parallel
Crew pairing generation is a time consuming part of the complex process of airline crew scheduling. We present a parallel algorithm for this problem's solution and several im...
Diego Klabjan, Karsten Schwan