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CAISE
2003
Springer
14 years 2 months ago
Goal-Oriented Requirements Engineering: A Case Study in E-government
This paper presents a requirements engineering framework based on the notions of Actor, Goal, and Intentional Dependency, and applies it to a case study in the field of Informatio...
Paolo Donzelli, Paolo Bresciani
CAISE
2009
Springer
14 years 1 months ago
Defining and Using Schematic Correspondences for Automatically Generating Schema Mappings
Mapping specification has been recognised as a critical bottleneck to the large scale deployment of data integration systems. A mapping is a description using which data structured...
Lu Mao, Khalid Belhajjame, Norman W. Paton, Alvaro...
CIKM
2007
Springer
14 years 1 months ago
Improve retrieval accuracy for difficult queries using negative feedback
How to improve search accuracy for difficult topics is an underaddressed, yet important research question. In this paper, we consider a scenario when the search results are so poo...
Xuanhui Wang, Hui Fang, ChengXiang Zhai
KDD
2010
ACM
233views Data Mining» more  KDD 2010»
14 years 1 months ago
Evolutionary hierarchical dirichlet processes for multiple correlated time-varying corpora
Mining cluster evolution from multiple correlated time-varying text corpora is important in exploratory text analytics. In this paper, we propose an approach called evolutionary h...
Jianwen Zhang, Yangqiu Song, Changshui Zhang, Shix...
SIGIR
2010
ACM
14 years 1 months ago
Interactive retrieval based on faceted feedback
Motivated by the commonly used faceted search interface in e-commerce, this paper investigates interactive relevance feedback mechanism based on faceted document metadata. In this...
Lanbo Zhang, Yi Zhang