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» Provenance for Aggregate Queries
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DILS
2005
Springer
14 years 3 months ago
Semantic Correspondence in Federated Life Science Data Integration Systems
For execution of complex biological queries, data integration systems often use several intermediate data sources because the domain coverage of individual sources is limited. Qual...
Malika Mahoui, Harshad Kulkarni, Nianhua Li, Zina ...
WWW
2009
ACM
14 years 10 months ago
RuralCafe: web search in the rural developing world
The majority of people in rural developing regions do not have access to the World Wide Web. Traditional network connectivity technologies have proven to be prohibitively expensiv...
Jay Chen, Lakshminarayanan Subramanian, Jinyang Li
WWW
2006
ACM
14 years 10 months ago
Optimizing scoring functions and indexes for proximity search in type-annotated corpora
We introduce a new, powerful class of text proximity queries: find an instance of a given "answer type" (person, place, distance) near "selector" tokens matchi...
Soumen Chakrabarti, Kriti Puniyani, Sujatha Das
WWW
2006
ACM
14 years 10 months ago
Searching with context
Contextual search refers to proactively capturing the information need of a user by automatically augmenting the user query with information extracted from the search context; for...
Reiner Kraft, Chi-Chao Chang, Farzin Maghoul, Ravi...
SIGMOD
2011
ACM
283views Database» more  SIGMOD 2011»
13 years 24 days ago
iReduct: differential privacy with reduced relative errors
Prior work in differential privacy has produced techniques for answering aggregate queries over sensitive data in a privacypreserving way. These techniques achieve privacy by addi...
Xiaokui Xiao, Gabriel Bender, Michael Hay, Johanne...