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» Modeling and Querying Semi-structured Data
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DAWAK
2005
Springer
15 years 11 months ago
Automatic Selection of Bitmap Join Indexes in Data Warehouses
The queries defined on data warehouses are complex and use several join operations that induce an expensive computational cost. This cost becomes even more prohibitive when querie...
Kamel Aouiche, Jérôme Darmont, Omar B...
OOPSLA
2007
Springer
16 years 10 days ago
Lost in translation: formalizing proposed extensions to c#
Current real-world software applications typically involve heavy use of relational and XML data and their query languages. Unfortunately object-oriented languages and database que...
Gavin M. Bierman, Erik Meijer, Mads Torgersen
SIGIR
2009
ACM
16 years 21 days ago
Smoothing clickthrough data for web search ranking
Incorporating features extracted from clickthrough data (called clickthrough features) has been demonstrated to significantly improve the performance of ranking models for Web sea...
Jianfeng Gao, Wei Yuan, Xiao Li, Kefeng Deng, Jian...
ICDE
2009
IEEE
147views Database» more  ICDE 2009»
16 years 8 months ago
Separating Authentication from Query Execution in Outsourced Databases
-- In the database outsourcing paradigm, a data owner (DO) delegates its DBMS administration to a specialized service provider (SP) that receives and processes queries from clients...
Stavros Papadopoulos, Dimitris Papadias, Weiwei Ch...
RAID
2010
Springer
15 years 4 months ago
A Data-Centric Approach to Insider Attack Detection in Database Systems
The insider threat against database management systems is a dangerous security problem. Authorized users may abuse legitimate privileges to masquerade as other users or to maliciou...
Sunu Mathew, Michalis Petropoulos, Hung Q. Ngo, Sh...