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» Aggregation Queries in the Database-As-a-Service Model
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CORR
2010
Springer
218views Education» more  CORR 2010»
13 years 6 months ago
User Centered and Ontology Based Information Retrieval System for Life Sciences
Because of the increasing number of electronic data, designing efficient tools to retrieve and exploit documents is a major challenge. Current search engines suffer from two main d...
Sylvie Ranwez, Vincent Ranwez, Mohameth-Fran&ccedi...
VLDB
2008
ACM
140views Database» more  VLDB 2008»
14 years 10 months ago
Efficient temporal counting with bounded error
This paper studies aggregate search in transaction time databases. Specifically, each object in such a database can be modeled as a horizontal segment, whose y-projection is its s...
Yufei Tao, Xiaokui Xiao
MM
2004
ACM
142views Multimedia» more  MM 2004»
14 years 3 months ago
Learning query-class dependent weights in automatic video retrieval
Combining retrieval results from multiple modalities plays a crucial role for video retrieval systems, especially for automatic video retrieval systems without any user feedback a...
Rong Yan, Jun Yang 0003, Alexander G. Hauptmann
EDBT
2009
ACM
135views Database» more  EDBT 2009»
14 years 2 months ago
Provenance for nested subqueries
Data provenance is essential in applications such as scientific computing, curated databases, and data warehouses. Several systems have been developed that provide provenance fun...
Boris Glavic, Gustavo Alonso
EDBT
2009
ACM
81views Database» more  EDBT 2009»
14 years 2 months ago
Exploiting similarity-aware grouping in decision support systems
Decision Support Systems (DSS) are information systems that support decision making processes. In many scenarios these systems are built on top of data managed by DBMSs and make e...
Yasin N. Silva, Muhammad U. Arshad, Walid G. Aref