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» User simulations for evaluating answers to question series
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SIGIR
2008
ACM
13 years 9 months ago
Novelty and diversity in information retrieval evaluation
Evaluation measures act as objective functions to be optimized by information retrieval systems. Such objective functions must accurately reflect user requirements, particularly w...
Charles L. A. Clarke, Maheedhar Kolla, Gordon V. C...
RE
2007
Springer
14 years 3 months ago
Goal-Oriented Conceptual Database Design
We present details of a goal-oriented process for database requirements analysis. This process consists of a number of steps, spanning the spectrum from high-level stakeholder goa...
Lei Jiang, Thodoros Topaloglou, Alexander Borgida,...
ITS
2004
Springer
94views Multimedia» more  ITS 2004»
14 years 2 months ago
A Model for Student Knowledge Diagnosis Through Adaptive Testing
This work presents a model for student knowledge diagnosis that can be used in ITSs for student model update. The diagnosis is accomplished through Computerized Adaptive Testing (C...
Eduardo Guzmán, Ricardo Conejo
ICPADS
2007
IEEE
14 years 3 months ago
Optimization on distributed user management in Wireless Sensor Networks
In this paper, we address one of the Wireless Sensor Network (WSN) management problems – optimization on the execution of multiple commands. The objective of the paper is to pro...
MingJian Tang, Jinli Cao
ISI
2006
Springer
13 years 9 months ago
Database Security Protection Via Inference Detection
Access control mechanisms are commonly used to provide control over who may access sensitive information. However, malicious users can exploit the correlation among the data and in...
Yu Chen, Wesley W. Chu