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SIGMOD
2008
ACM
122views Database» more  SIGMOD 2008»
14 years 7 months ago
Building query optimizers for information extraction: the SQoUT project
Text documents often embed data that is structured in nature. This structured data is increasingly exposed using information extraction systems, which generate structured relation...
Alpa Jain, Panagiotis G. Ipeirotis, Luis Gravano
AMW
2010
13 years 9 months ago
Certification and Authentication of Data Structures
We study query authentication schemes, algorithmic and cryptographic constructions that provide efficient and secure protocols for verifying the results of queries over structured...
Roberto Tamassia, Nikos Triandopoulos
DOLAP
2009
ACM
14 years 2 months ago
View usability and safety for the answering of top-k queries via materialized views
In this paper, we investigate the problem of answering top-k queries via materialized views. We provide theoretical guarantees for the adequacy of a view to answer a top-k query, ...
Eftychia Baikousi, Panos Vassiliadis
DASFAA
2010
IEEE
189views Database» more  DASFAA 2010»
13 years 11 months ago
Efficient Skyline Maintenance for Streaming Data with Partially-Ordered Domains
We address the problem of skyline query processing for a count-based window of continuous streaming data that involves both totally- and partially-ordered attribute domains. In thi...
Yuan Fang, Chee-Yong Chan
VLDB
2007
ACM
128views Database» more  VLDB 2007»
14 years 1 months ago
A genetic approach for random testing of database systems
Testing a database engine has been and continues to be a challenging task. The space of possible SQL queries along with their possible access paths is practically unbounded. Moreo...
Hardik Bati, Leo Giakoumakis, Steve Herbert, Aleks...