Sciweavers

75 search results - page 9 / 15
» Hierarchical Location and Topic Based Query Expansion
Sort
View
PVLDB
2008
174views more  PVLDB 2008»
13 years 6 months ago
Relaxation in text search using taxonomies
In this paper we propose a novel document retrieval model in which text queries are augmented with multi-dimensional taxonomy restrictions. These restrictions may be relaxed at a ...
Marcus Fontoura, Vanja Josifovski, Ravi Kumar, Chr...
ICNP
2000
IEEE
13 years 11 months ago
SCalable Object-tracking through Unattended Techniques (SCOUT)
A scalable object location service can enable users to search for various objects in an environment where many small, networked devices are attached to objects. We investigate two...
Satish Kumar, Cengiz Alaettinoglu, Deborah Estrin
TREC
2007
13 years 8 months ago
Lucene and Juru at TREC 2007: 1-Million Queries Track
Lucene is an increasingly popular open source search library. However, our experiments of search quality for TREC data and evaluations for out-of-the-box Lucene indicated inferior...
Doron Cohen, Einat Amitay, David Carmel
WWW
2009
ACM
14 years 8 months ago
Mining interesting locations and travel sequences from GPS trajectories
The increasing availability of GPS-enabled devices is changing the way people interact with the Web, and brings us a large amount of GPS trajectories representing people's lo...
Yu Zheng, Lizhu Zhang, Xing Xie, Wei-Ying Ma
WWW
2003
ACM
14 years 8 months ago
Improving pseudo-relevance feedback in web information retrieval using web page segmentation
In contrast to traditional document retrieval, a web page as a whole is not a good information unit to search because it often contains multiple topics and a lot of irrelevant inf...
Shipeng Yu, Deng Cai, Ji-Rong Wen, Wei-Ying Ma