Sciweavers

2340 search results - page 317 / 468
» Speculative document evaluation
Sort
View
SIGMOD
2003
ACM
140views Database» more  SIGMOD 2003»
16 years 4 months ago
Stream Processing of XPath Queries with Predicates
We consider the problem of evaluating large numbers of XPath filters, each with many predicates, on a stream of XML documents. The solution we propose is to lazily construct a sin...
Ashish Kumar Gupta, Dan Suciu
EDBT
2006
ACM
169views Database» more  EDBT 2006»
16 years 4 months ago
Feedback-Driven Structural Query Expansion for Ranked Retrieval of XML Data
Relevance Feedback is an important way to enhance retrieval quality by integrating relevance information provided by a user. In XML retrieval, feedback engines usually generate an ...
Ralf Schenkel, Martin Theobald
ECIR
2009
Springer
16 years 1 months ago
If I Had a Million Queries
As document collections grow larger, the information needs and relevance judgments in a test collection must be well-chosen within a limited budget to give the most reliable and ro...
Ben Carterette, Virgiliu Pavlu, Evangelos Kanoulas...
MMM
2009
Springer
139views Multimedia» more  MMM 2009»
16 years 1 months ago
Comparison of Feature Construction Methods for Video Relevance Prediction
Low level features of multimedia content often have limited power to discriminate a document’s relevance to a query. This motivated researchers to investigate other types of feat...
Pablo Bermejo, Hideo Joho, Joemon M. Jose, Robert ...
MMM
2009
Springer
151views Multimedia» more  MMM 2009»
16 years 1 months ago
Large Scale Concept Detection in Video Using a Region Thesaurus
This paper presents an approach on high-level feature detection within video documents, using a Region Thesaurus. A video shot is represented by a single keyframe and MPEG-7 featur...
Evaggelos Spyrou, Giorgos Tolias, Yannis S. Avrith...