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SIGMOD
2008
ACM
145views Database» more  SIGMOD 2008»
13 years 11 months ago
Provenance and scientific workflows: challenges and opportunities
Provenance in the context of workflows, both for the data they derive and for their specification, is an essential component to allow for result reproducibility, sharing, and know...
Susan B. Davidson, Juliana Freire
SIGMOD
2008
ACM
122views Database» more  SIGMOD 2008»
13 years 11 months ago
UQBE: uncertain query by example for web service mashup
The UQBE is a mashup tool for non-programmers that supports query-by-example (QBE) over a schema made up by the user without knowing the schema of the original sources. Based on a...
Jun'ichi Tatemura, Songting Chen, Fenglin Liao, Ol...
SIGMOD
2008
ACM
118views Database» more  SIGMOD 2008»
13 years 11 months ago
NAGA: harvesting, searching and ranking knowledge
The presence of encyclopedic Web sources, such as Wikipedia, the Internet Movie Database (IMDB), World Factbook, etc. calls for new querying techniques that are simple and yet mor...
Gjergji Kasneci, Fabian M. Suchanek, Georgiana Ifr...
SIGMOD
2008
ACM
100views Database» more  SIGMOD 2008»
13 years 11 months ago
Incorporating string transformations in record matching
Today's record matching infrastructure does not allow a flexible way to account for synonyms such as "Robert" and "Bob" which refer to the same name, and ...
Arvind Arasu, Surajit Chaudhuri, Kris Ganjam, Ragh...
SIGMOD
2008
ACM
127views Database» more  SIGMOD 2008»
13 years 11 months ago
Minimization of tree pattern queries with constraints
Tree pattern queries (TPQs) provide a natural and easy formalism to query tree-structured XML data, and the efficient processing of such queries has attracted a lot of attention. ...
Ding Chen, Chee Yong Chan
SIGMOD
2008
ACM
138views Database» more  SIGMOD 2008»
13 years 11 months ago
Configuration-parametric query optimization for physical design tuning
Automated physical design tuning for database systems has recently become an active area of research and development. Existing tuning tools explore the space of feasible solutions...
Nicolas Bruno, Rimma V. Nehme
SIGMOD
2008
ACM
124views Database» more  SIGMOD 2008»
13 years 11 months ago
Scalable network distance browsing in spatial databases
An algorithm is presented for finding the k nearest neighbors in a spatial network in a best-first manner using network distance. The algorithm is based on precomputing the shorte...
Hanan Samet, Jagan Sankaranarayanan, Houman Alborz...
SIGMOD
2008
ACM
140views Database» more  SIGMOD 2008»
13 years 11 months ago
Near-optimal algorithms for shared filter evaluation in data stream systems
We consider the problem of evaluating multiple overlapping queries defined on data streams, where each query is a conjunction of multiple filters and each filter may be shared acr...
Zhen Liu, Srinivasan Parthasarathy 0002, Anand Ran...
PR
2006
114views more  PR 2006»
13 years 11 months ago
Orientation feature for fingerprint matching
This paper describes a fingerprint verification algorithm based on the orientation field. The orientation field of a fingerprint image has also been used for image alignment. Area...
Jayant V. Kulkarni, Bhushan D. Patil, Raghunath S....
FUIN
2007
147views more  FUIN 2007»
13 years 11 months ago
Privacy Preserving Database Generation for Database Application Testing
Testing of database applications is of great importance. Although various studies have been conducted to investigate testing techniques for database design, relatively few efforts ...
Xintao Wu, Yongge Wang, Songtao Guo, Yuliang Zheng