Sciweavers

189 search results - page 20 / 38
» Answering general time sensitive queries
Sort
View
EMNLP
2010
13 years 5 months ago
Learning Recurrent Event Queries for Web Search
Recurrent event queries (REQ) constitute a special class of search queries occurring at regular, predictable time intervals. The freshness of documents ranked for such queries is ...
Ruiqiang Zhang, Yuki Konda, Anlei Dong, Pranam Kol...
DEXAW
2004
IEEE
209views Database» more  DEXAW 2004»
13 years 11 months ago
Spatio-Temporal Data Warehouse Design for Human Activity Pattern Analysis
Many applications refer to moving objects or phenomena and require spatio-temporal modelling and specific analysis. Unlike conventional data where attributes are simple values (nu...
Lionel Savary, Tao Wan, Karine Zeitouni
SIGIR
2009
ACM
14 years 2 months ago
Evaluating web search using task completion time
We consider experiments to measure the quality of a web search algorithm based on how much total time users take to complete assigned search tasks using that algorithm. We first ...
Ya Xu, David Mease
ICFP
2008
ACM
14 years 7 months ago
Write it recursively: a generic framework for optimal path queries
Optimal path queries are queries to obtain an optimal path specified by a given criterion of optimality. There have been many studies to give efficient algorithms for classes of o...
Akimasa Morihata, Kiminori Matsuzaki, Masato Takei...
RTCSA
2009
IEEE
14 years 2 months ago
Event-Based Location Dependent Data Services in Mobile WSNs
—Mobile sensors are widely deployed in Wireless Sensor Networks (WSNs) to satisfy emerging application requirements. Specifically, processing location dependent queries in mobile...
Liang Hong, Yafeng Wu, Sang Hyuk Son, Yansheng Lu