Sciweavers

3969 search results - page 240 / 794
» Query Processing Using Ontologies
Sort
View
SIGIR
2008
ACM
15 years 6 months ago
Query expansion using gaze-based feedback on the subdocument level
We examine the effect of incorporating gaze-based attention feedback from the user on personalizing the search process. Employing eye tracking data, we keep track of document part...
Georg Buscher, Andreas Dengel, Ludger van Elst
SOSP
2007
ACM
16 years 3 months ago
Tolerating byzantine faults in transaction processing systems using commit barrier scheduling
This paper describes the design, implementation, and evaluation of a replication scheme to handle Byzantine faults in transaction processing database systems. The scheme compares ...
Ben Vandiver, Hari Balakrishnan, Barbara Liskov, S...
VLDB
2007
ACM
169views Database» more  VLDB 2007»
16 years 6 months ago
Staying FIT: Efficient Load Shedding Techniques for Distributed Stream Processing
In distributed stream processing environments, large numbers of continuous queries are distributed onto multiple servers. When one or more of these servers become overloaded due t...
Nesime Tatbul, Stanley B. Zdonik, Ugur Çeti...
TPCTC
2009
Springer
190views Hardware» more  TPCTC 2009»
16 years 21 days ago
A Performance Study of Event Processing Systems
Abstract. Event processing engines are used in diverse mission-critical scenarios such as fraud detection, traffic monitoring, or intensive care units. However, these scenarios hav...
Marcelo R. N. Mendes, Pedro Bizarro, Paulo Marques
ADC
2005
Springer
135views Database» more  ADC 2005»
15 years 11 months ago
A Path-based Relational RDF Database
We propose a path-based scheme for storage and retrieval of RDF data using a relational database. The Semantic Web is much anticipated as the nextgeneration web where high-level p...
Akiyoshi Matono, Toshiyuki Amagasa, Masatoshi Yosh...