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SIGMOD
2009
ACM
189views Database» more  SIGMOD 2009»
16 years 1 months ago
Query segmentation using conditional random fields
A growing mount of available text data are being stored in relational databases, giving rise to an increasing need for the RDBMSs to support effective text retrieval. In this pape...
Xiaohui Yu, Huxia Shi
ITS
2004
Springer
165views Multimedia» more  ITS 2004»
15 years 6 months ago
Knowledge Representation Requirements for Intelligent Tutoring Systems
In this paper, we make a first effort to define requirements for knowledge representation (KR) in an ITS. The requirements concern all stages of an ITS’s life cycle (construction...
Ioannis Hatzilygeroudis, Jim Prentzas
EUSFLAT
2009
163views Fuzzy Logic» more  EUSFLAT 2009»
14 years 11 months ago
A Fuzzy Set Approach to Ecological Knowledge Discovery
Besides the problem of searching for effective methods for extracting knowledge from large databases (KDD) there are some additional problems with handling ecological data, namely ...
Arkadiusz Salski
CDC
2010
IEEE
144views Control Systems» more  CDC 2010»
14 years 8 months ago
Formal analysis of piecewise affine systems through formula-guided refinement
Abstract-- We present a computational framework for identifying a set of initial states from which all trajectories of a piecewise affine (PWA) system satisfy a Linear Temporal Log...
Boyan Yordanov, Jana Tumova, Calin Belta, Ivana Ce...
HICSS
2007
IEEE
123views Biometrics» more  HICSS 2007»
15 years 7 months ago
Dynamic Address Allocation for Management and Control in Wireless Sensor Networks
Several data-centric communication paradigms have been proposed in the domain of wireless sensor networks (WSN). Therefore, the principles of operation and maintenance in such net...
Zheng Yao, Falko Dressler