Sciweavers

589 search results - page 60 / 118
» Location-dependent query processing: Where we are and where ...
Sort
View
SAC
2011
ACM
12 years 10 months ago
Site-autonomous distributed semantic caching
Semantic caching augments cached data with a semantic description of the data. These semantic descriptions can be used to improve execution time for similar queries by retrieving ...
Norvald H. Ryeng, Jon Olav Hauglid, Kjetil N&oslas...
MOBIDE
2005
ACM
14 years 1 months ago
DAIMON: data integration for a mobile network
We describe the DAIMON system for data integration of nomadic data. DAIMON is based on an extension of the mediator-wrapper architecture, where each node is a mediator of its own ...
Constantinos V. Katsaros, Ioannis L. Niarhos, Vasi...
SIGMOD
2010
ACM
214views Database» more  SIGMOD 2010»
14 years 16 days ago
ParaTimer: a progress indicator for MapReduce DAGs
Time-oriented progress estimation for parallel queries is a challenging problem that has received only limited attention. In this paper, we present ParaTimer, a new type of timere...
Kristi Morton, Magdalena Balazinska, Dan Grossman
VLDB
2007
ACM
155views Database» more  VLDB 2007»
14 years 8 months ago
Answering Aggregation Queries in a Secure System Model
As more sensitive data is captured in electronic form, security becomes more and more important. Data encryption is the main technique for achieving security. While in the past en...
Tingjian Ge, Stanley B. Zdonik
SIGIR
2010
ACM
13 years 11 months ago
Exploring the use of labels to shortcut search trails
Search trails comprising queries and Web page views are created as searchers engage in information-seeking activity online. During known-item search (where the objective may be to...
Ryen W. White, Raman Chandrasekar