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» Predicting query performance
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WWW
2010
ACM
16 years 12 days ago
Data summaries for on-demand queries over linked data
Typical approaches for querying structured Web Data collect (crawl) and pre-process (index) large amounts of data in a central data repository before allowing for query answering....
Andreas Harth, Katja Hose, Marcel Karnstedt, Axel ...
DAMON
2008
Springer
15 years 9 months ago
CAM conscious integrated answering of frequent elements and top-k queries over data streams
Frequent elements and top-k queries constitute an important class of queries for data stream analysis applications. Certain applications require answers for both frequent elements...
Sudipto Das, Divyakant Agrawal, Amr El Abbadi
EMNLP
2008
15 years 8 months ago
The Linguistic Structure of English Web-Search Queries
Web-search queries are known to be short, but little else is known about their structure. In this paper we investigate the applicability of part-of-speech tagging to typical Engli...
Cory Barr, Rosie Jones, Moira Regelson
VLDB
2002
ACM
97views Database» more  VLDB 2002»
15 years 6 months ago
Structural Function Inlining Technique for Structurally Recursive XML Queries
Structurally recursive XML queries are an important query class that follows the structure of XML data. At present, it is difficult for XQuery to type and optimize structurally re...
Chang-Won Park, Jun-Ki Min, Chin-Wan Chung
MDM
2010
Springer
281views Communications» more  MDM 2010»
15 years 9 months ago
Efficient Evaluation of k-Range Nearest Neighbor Queries in Road Networks
A k-Range Nearest Neighbor (or kRNN for short) query in road networks finds the k nearest neighbors of every point on the road segments within a given query region based on the net...
Jie Bao 0003, Chi-Yin Chow, Mohamed F. Mokbel, Wei...