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» A Query System in a Biological Database
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SIGMOD
1995
ACM
80views Database» more  SIGMOD 1995»
15 years 8 months ago
Join Queries with External Text Sources: Execution and Optimization Techniques
Text is a pervasive information type, and many applications require querying over text sources in addition to structured data. This paper studies the problem of query processing i...
Surajit Chaudhuri, Umeshwar Dayal, Tak W. Yan
ICDE
2012
IEEE
298views Database» more  ICDE 2012»
13 years 6 months ago
Mapping XML to a Wide Sparse Table
— XML is commonly supported by SQL database systems. However, existing mappings of XML to tables can only deliver satisfactory query performance for limited use cases. In this pa...
Liang Jeff Chen, Philip A. Bernstein, Peter Carlin...
SIGMOD
2008
ACM
158views Database» more  SIGMOD 2008»
16 years 4 months ago
Stretch 'n' shrink: resizing queries to user preferences
We present Stretch `n' Shrink, a query design framework that explicitly takes into account user preferences about the desired answer size, and subsequently modifies the query...
Chaitanya Mishra, Nick Koudas
ICDE
2002
IEEE
232views Database» more  ICDE 2002»
16 years 5 months ago
DBXplorer: A System for Keyword-Based Search over Relational Databases
Internet search engines have popularized the keywordbased search paradigm. While traditional database management systems offer powerful query languages, they do not allow keyword-...
Sanjay Agrawal, Surajit Chaudhuri, Gautam Das
DASFAA
2005
IEEE
136views Database» more  DASFAA 2005»
15 years 10 months ago
Indexing DNA Sequences Using q-Grams
We have observed in recent years a growing interest in similarity search on large collections of biological sequences. Contributing to the interest, this paper presents a method fo...
Xia Cao, Shuai Cheng Li, Anthony K. H. Tung