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» A Novel Approach to Semantic Indexing Based on Concept
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VLDB
2004
ACM
144views Database» more  VLDB 2004»
16 years 6 months ago
Preserving mapping consistency under schema changes
Abstract. In dynamic environments like the Web, data sources may change not only their data but also their schemas, their semantics, and their query capabilities.When a mapping is ...
Yannis Velegrakis, Renée J. Miller, Lucian Popa
GEOINFORMATICA
2011
15 years 1 months ago
Functional description of geoprocessing services as conjunctive datalog queries
Discovery of suitable web services is a crucial task in Spatial Data Infrastructures (SDI). In this work, we develop a novel approach to the discovery of geoprocessing services (WP...
Daniel Fitzner, Jörg Hoffmann, Eva Klien
FM
2003
Springer
174views Formal Methods» more  FM 2003»
15 years 11 months ago
Model-Checking TRIO Specifications in SPIN
We present a novel application on model checking through SPIN as a means for verifying purely descriptive specifications written in TRIO, a first order, linear-time temporal logic ...
Angelo Morzenti, Matteo Pradella, Pierluigi San Pi...
GFKL
2007
Springer
180views Data Mining» more  GFKL 2007»
16 years 13 days ago
Content-based Dimensionality Reduction for Recommender Systems
Recommender Systems are gaining widespread acceptance in e-commerce applications to confront the information overload problem. Collaborative Filtering (CF) is a successful recommen...
Panagiotis Symeonidis
WWW
2008
ACM
16 years 7 months ago
Unsupervised query segmentation using generative language models and wikipedia
In this paper, we propose a novel unsupervised approach to query segmentation, an important task in Web search. We use a generative query model to recover a query's underlyin...
Bin Tan, Fuchun Peng