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» Multi-objective Query Processing for Database Systems
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SIGMOD
2009
ACM
218views Database» more  SIGMOD 2009»
14 years 9 months ago
Exploring biomedical databases with BioNav
We demonstrate the BioNav system, a novel search interface for biomedical databases, such as PubMed. BioNav enables users to navigate large number of query results by categorizing...
Abhijith Kashyap, Vagelis Hristidis, Michalis Petr...
GIS
2008
ACM
13 years 10 months ago
Spatial queries in disconnected mobile networks
In this paper we study in-network query processing in disconnected mobile environments, where both ad-hoc communication and infrastructure communication are available. Depending o...
Xinjuan Zhu, Bo Xu, Ouri Wolfson
ICDE
2008
IEEE
146views Database» more  ICDE 2008»
14 years 10 months ago
Explaining and Reformulating Authority Flow Queries
Authority flow is an effective ranking mechanism for answering queries on a broad class of data. Systems have been developed to apply this principle on the Web (PageRank and topic ...
Ramakrishna Varadarajan, Vagelis Hristidis, Louiqa...
CF
2009
ACM
14 years 1 months ago
Data parallel acceleration of decision support queries using Cell/BE and GPUs
Decision Support System (DSS) workloads are known to be one of the most time-consuming database workloads that processes large data sets. Traditionally, DSS queries have been acce...
Pedro Trancoso, Despo Othonos, Artemakis Artemiou
CIKM
2010
Springer
13 years 7 months ago
Preference query evaluation over expensive attributes
Most database systems allow query processing over attributes that are derived at query runtime (e.g., user-defined functions and remote data calls to web services), making them e...
Justin J. Levandoski, Mohamed F. Mokbel, Mohamed E...