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COMCOM
1998
78views more  COMCOM 1998»
15 years 26 days ago
The performance of SQL queries to an X.500 directory system
The X.500 standard speci es a distributed directory service designed to store information about people and objects associated with computer networks. Its API is geared toward retr...
David Barrowman, Patrick Martin
DAWAK
2007
Springer
15 years 7 months ago
What-If Analysis for Data Warehouse Evolution
In this paper, we deal with the problem of performing what-if analysis for changes that occur in the schema/structure of the data warehouse We abstract software modules, queries, r...
George Papastefanatos, Panos Vassiliadis, Alkis Si...
FQAS
2004
Springer
103views Database» more  FQAS 2004»
15 years 6 months ago
A Unifying Framework for Flexible Information Access in Taxonomy-Based Sources
A taxonomy-based source consists of a taxonomy and a database storing objects that are indexed in terms of the taxonomy. For this kind of sources, we describe a flexible interacti...
Yannis Tzitzikas, Carlo Meghini, Nicolas Spyratos
VLDB
1994
ACM
84views Database» more  VLDB 1994»
15 years 5 months ago
A Multidatabase System for Tracking and Retrieval of Financial Data
We have built a multidatabase system to support a financial application that stores historical data used by traders to identify trends in the market. The application has an update...
Munir Cochinwala, John Bradley
WWW
2008
ACM
16 years 1 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