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» Answering Queries Using Views
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121
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ECIR
2009
Springer
16 years 29 days ago
Regression Rank: Learning to Meet the Opportunity of Descriptive Queries
Abstract. We present a new learning to rank framework for estimating context-sensitive term weights without use of feedback. Specifically, knowledge of effective term weights on ...
Matthew Lease, James Allan, W. Bruce Croft
131
Voted
AINA
2007
IEEE
15 years 10 months ago
Grid-Aware Evaluation of Regular Path Queries on Spatial Networks
Regular path queries (RPQs), expressed as regular expressions over the alphabet of database edge-labels, are commonly used for guided navigation of graph databases. While convenie...
Zhuo Miao, Dan C. Stefanescu, Alex Thomo
177
Voted
PVLDB
2008
146views more  PVLDB 2008»
15 years 3 months ago
Efficient search for the top-k probable nearest neighbors in uncertain databases
Uncertainty pervades many domains in our lives. Current real-life applications, e.g., location tracking using GPS devices or cell phones, multimedia feature extraction, and sensor...
George Beskales, Mohamed A. Soliman, Ihab F. Ilyas
141
Voted
KBSE
2000
IEEE
15 years 8 months ago
Practical Large Scale What-If Queries: Case Studies with Software Risk Assessment
When a lack of data inhibits decision making, large scale what-if queries can be conducted over the uncertain parameter ranges. Such what-if queries can generate an overwhelming a...
Tim Menzies, Erik Sinsel
120
Voted
BNCOD
2004
99views Database» more  BNCOD 2004»
15 years 5 months ago
The EGTV Query Language
When storing data in heterogeneous databases, one of the top-down design issues concerns the usage of multiple query languages. A common language enables querying of database schem...
Damir Becarevic, Mark Roantree