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IADIS
2003
15 years 8 months ago
Data Extraction from Web Database Query Result Pages via Tagsets and Integer Sequences
The World Wide Web is a collection of databases as well as web sites. Databases associated with web sites provide public access via query forms on web pages. They constitute an en...
Jerome Robinson
UAI
2007
15 years 7 months ago
Aggregating Across Multiple Levels of Granularity to Meet Customer and Organizational Query Requirements
A research organization responds to a variety of customer requests. Each high level request is broken down into a set of low level requests. For each low level request, the resear...
Suzanne M. Mahoney
COLING
2010
15 years 1 months ago
Utilizing Variability of Time and Term Content, within and across Users in Session Detection
In this paper, we describe a SVM classification framework of session detection task on both Chinese and English query logs. With eight features on the aspects of temporal and cont...
Shu-Qi Sun, Sheng Li, Muyun Yang, Haoliang Qi, Tie...
SIGMOD
1993
ACM
150views Database» more  SIGMOD 1993»
15 years 10 months ago
Predicate Migration: Optimizing Queries with Expensive Predicates
The traditional focus of relational query optimization schemes has been on the choice of join methods and join orders. Restrictions have typically been handled in query optimizers ...
Joseph M. Hellerstein, Michael Stonebraker
ADBIS
2010
Springer
192views Database» more  ADBIS 2010»
15 years 8 months ago
The Objects Interaction Graticule for Cardinal Direction Querying in Moving Objects Data Warehouses
Cardinal directions have turned out to be very important qualitative spatial relations due to their numerous applications in spatial wayfinding, GIS, qualitative spatial reasoning ...
Ganesh Viswanathan, Markus Schneider