Sciweavers

529 search results - page 57 / 106
» A User-Centered Approach for Evaluating Query Expansion Meth...
Sort
View
CIKM
2006
Springer
14 years 17 days ago
Evaluation by comparing result sets in context
Familiar evaluation methodologies for information retrieval (IR) are not well suited to the task of comparing systems in many real settings. These systems and evaluation methods m...
Paul Thomas, David Hawking
TIP
2010
90views more  TIP 2010»
13 years 3 months ago
Fast Query for Exemplar-Based Image Completion
In this paper, we present a fast algorithm for filling unknown regions in an image using the strategy of exemplarmatching. Unlike the original exemplar-based method using exhaustiv...
Tsz-Ho Kwok, Hoi Sheung, Charlie C. L. Wang
SIGMOD
2007
ACM
229views Database» more  SIGMOD 2007»
14 years 9 months ago
Spark: top-k keyword query in relational databases
With the increasing amount of text data stored in relational databases, there is a demand for RDBMS to support keyword queries over text data. As a search result is often assemble...
Yi Luo, Xuemin Lin, Wei Wang 0011, Xiaofang Zhou
MM
2005
ACM
172views Multimedia» more  MM 2005»
14 years 2 months ago
Learning the semantics of multimedia queries and concepts from a small number of examples
In this paper we unify two supposedly distinct tasks in multimedia retrieval. One task involves answering queries with a few examples. The other involves learning models for seman...
Apostol Natsev, Milind R. Naphade, Jelena Tesic
EDBT
2004
ACM
147views Database» more  EDBT 2004»
14 years 9 months ago
Projection Pushing Revisited
The join operation, which combines tuples from multiple relations, is the most fundamental and, typically, the most expensive operation in database queries. The standard approach t...
Benjamin J. McMahan, Guoqiang Pan, Patrick Porter,...