Sciweavers

72 search results - page 11 / 15
» Probabilistic Threshold Range Aggregate Query Processing ove...
Sort
View
EDBT
2009
ACM
162views Database» more  EDBT 2009»
14 years 2 months ago
A data model for trip planning in multimodal transportation systems
This paper introduces the problem of modeling urban transportation systems in a database where certain aspects of the data are probabilistic in nature. The transportation network ...
Joel Booth, A. Prasad Sistla, Ouri Wolfson, Isabel...
SIGMOD
2007
ACM
169views Database» more  SIGMOD 2007»
14 years 7 months ago
Scalable approximate query processing with the DBO engine
This paper describes query processing in the DBO database system. Like other database systems designed for ad-hoc, analytic processing, DBO is able to compute the exact answer to ...
Christopher M. Jermaine, Subramanian Arumugam, Abh...
CIKM
2010
Springer
13 years 5 months ago
Probabilistic ranking for relational databases based on correlations
This paper proposes a ranking method to exploit statistical correlations among pairs of attribute values in relational databases. For a given query, the correlations of the query ...
Jaehui Park, Sang-goo Lee
ICDE
2007
IEEE
158views Database» more  ICDE 2007»
14 years 8 months ago
Efficient Evaluation of Imprecise Location-Dependent Queries
In location-based services, it is common for a user to issue a query based on his/her current position. One such example is "find the available cabs within two miles of my cu...
Jinchuan Chen, Reynold Cheng
VLDB
2004
ACM
113views Database» more  VLDB 2004»
14 years 25 days ago
Resource Sharing in Continuous Sliding-Window Aggregates
We consider the problem of resource sharing when processing large numbers of continuous queries. We specifically address sliding-window aggregates over data streams, an important...
Arvind Arasu, Jennifer Widom