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» Behaviour Management in Database Applications
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WWW
2006
ACM
16 years 7 months ago
Evaluating structural summaries as access methods for XML
Structural summaries are data structures that preserve all structural features of XML documents in a compact form. We investigate the applicability of the most popular summaries a...
Mirella Moura Moro, Zografoula Vagena, Vassilis J....
KDD
2004
ACM
123views Data Mining» more  KDD 2004»
16 years 7 months ago
A DEA approach for model combination
This paper proposes a novel Data Envelopment Analysis (DEA) based approach for model combination. We first prove that for the 2-class classification problems DEA models identify t...
Zhiqiang Zheng, Balaji Padmanabhan, Haoqiang Zheng
ISPAN
2009
IEEE
16 years 1 months ago
SoCQ: A Framework for Pervasive Environments
Abstract—Querying non-conventional data sources is recognized as a major issue in new environments and applications such as those occurring in pervasive computing. A key issue is...
Yann Gripay, Frédérique Laforest, Je...
ISCIS
2009
Springer
16 years 1 months ago
Dynamic feature weights with relevance feedback in content-based image retrieval
— In this paper, we present a novel relevance feedback method for Content-Based Image Retrieval systems based on dynamic feature weights. The proposed method utilizes intracluste...
Esin Guldogan, Moncef Gabbouj
ER
2007
Springer
125views Database» more  ER 2007»
16 years 1 months ago
On the Correlation between Process Model Metrics and Errors
Business process models play an important role for the management, design, and improvement of process organizations and process-aware information systems. Despite the extensive ap...
Jan Mendling, Gustaf Neumann, Wil M. P. van der Aa...