Sciweavers

1452 search results - page 173 / 291
» The Effectiveness of Query Expansion for Distributed Informa...
Sort
View
AAAI
2000
13 years 9 months ago
The TheaterLoc Virtual Application
Although much has been written about various information integration technologies, little has been said regarding how to combine these technologies together to build an entire &qu...
Greg Barish, Craig A. Knoblock, Yi-Shin Chen, Stev...
VLDB
2007
ACM
141views Database» more  VLDB 2007»
14 years 8 months ago
Query Processing over Incomplete Autonomous Databases
Incompleteness due to missing attribute values (aka "null values") is very common in autonomous web databases, on which user accesses are usually supported through media...
Garrett Wolf, Hemal Khatri, Bhaumik Chokshi, Jianc...
GIS
2008
ACM
14 years 9 months ago
Mapping geographic coverage of the web
In this paper, we describe a methodology to estimate the geographic coverage of the web without the need for secondary knowledge or complex geo-tagging. This is achieved by random...
Robert Pasley, Paul Clough, Ross S. Purves, Floria...
ECIR
2006
Springer
13 years 9 months ago
Comparing Different Architectures for Query Routing in Peer-to-Peer Networks
Abstract. Efficient and effective routing of content-based queries is an emerging problem in peer-to-peer networks, and can be seen as an extension of the traditional "resourc...
Henrik Nottelmann, Norbert Fuhr
CIKM
2004
Springer
14 years 1 months ago
MRSSA: an iterative algorithm for similarity spreading over interrelated objects
We introduce the Multiple Relationship Similarity Spreading Algorithm (MRSSA) to enhance IR effectiveness. This method has similarity computed in an iterative “spreading” fash...
Gui-Rong Xue, Hua-Jun Zeng, Zheng Chen, Yong Yu, W...