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SIGMOD
2008
ACM
182views Database» more  SIGMOD 2008»
15 years 10 months ago
Angle-based space partitioning for efficient parallel skyline computation
Recently, skyline queries have attracted much attention in the database research community. Space partitioning techniques, such as recursive division of the data space, have been ...
Akrivi Vlachou, Christos Doulkeridis, Yannis Kotid...
DMKD
2004
ACM
139views Data Mining» more  DMKD 2004»
15 years 3 months ago
Iterative record linkage for cleaning and integration
Record linkage, the problem of determining when two records refer to the same entity, has applications for both data cleaning (deduplication) and for integrating data from multipl...
Indrajit Bhattacharya, Lise Getoor
ICDAR
2009
IEEE
15 years 4 months ago
Robustness of Signature Verification Systems to Imitators with Increasing Skills
In this paper, we study the impact of an incremental level of skill in the forgeries against signature verification systems. Experiments are carried out using both off-line syste...
Fernando Alonso-Fernandez, Julian Fiérrez, ...
ICDAR
2009
IEEE
15 years 4 months ago
Unsupervised Selection and Discriminative Estimation of Orthogonal Gaussian Mixture Models for Handwritten Digit Recognition
The problem of determining the appropriate number of components is important in finite mixture modeling for pattern classification. This paper considers the application of an unsu...
Xuefeng Chen, Xiabi Liu, Yunde Jia
CIKM
2009
Springer
15 years 4 months ago
A machine learning approach for improved BM25 retrieval
Despite the widespread use of BM25, there have been few studies examining its effectiveness on a document description over single and multiple field combinations. We determine t...
Krysta Marie Svore, Christopher J. C. Burges