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SIGMOD
2011
ACM
177views Database» more  SIGMOD 2011»
14 years 9 months ago
NetTrails: a declarative platform for maintaining and querying provenance in distributed systems
We demonstrate NetTrails, a declarative platform for maintaining and interactively querying network provenance in a distributed system. Network provenance describes the history an...
Wenchao Zhou, Qiong Fei, Shengzhi Sun, Tao Tao, An...
IADIS
2004
15 years 8 months ago
SPERO - A Personalized Integrated E-Learning System
One of the most important topics in modern Internet-based multimedia e-learning systems oriented towards teachers, students and learners in general, is the treatment of informatio...
Paraskevi K. Tzouveli, Phivos Mylonas, Stefanos D....
ICDE
2008
IEEE
166views Database» more  ICDE 2008»
16 years 8 months ago
A Clustered Index Approach to Distributed XPath Processing
Supporting top-k queries over distributed collections of schemaless XML data poses two challenges. While XML supports expressive query languages such as XPath and XQuery, these la...
Georgia Koloniari, Evaggelia Pitoura
JIIS
2002
109views more  JIIS 2002»
15 years 6 months ago
PVA: A Self-Adaptive Personal View Agent
In this paper, we present PVA, an adaptive personal view information agent system for tracking, learning and managing user interests in Internet documents. PVA consists of three pa...
Chien Chin Chen, Meng Chang Chen, Yeali S. Sun
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