104 search results - page 8 / 21 » GeoCLEF Text Retrieval and Manual Expansion Approaches |
ICEIS
2009
IEEE
15 years 4 months ago
2009
IEEE
In an information retrieval system, a thesaurus can be used for query expansion, i.e. adding words to queries in order to improve recall. We propose a semi-automatic and interactiv...
CLEF
2008
Springer
14 years 11 months ago
2008
Springer
In this paper, we assess the impact of using thesaurus-based query expansion methods, at the Information Retrieval (IR) stage of a Question Answering (QA) system. We focus on expan...
LREC
2010
14 years 11 months ago
2010
Statistical Machine Translation (MT) systems have achieved impressive results in recent years, due in large part to the increasing availability of parallel text for system trainin...
ICMCS
2005
IEEE
15 years 3 months ago
2005
IEEE
This paper presents experiments that evaluate the effect of different video segmentation methods on text-based video retrieval. Segmentations relying on modalities like speech, vi...
CVPR
2008
IEEE
15 years 11 months ago
2008
IEEE
The state of the art in visual object retrieval from large databases is achieved by systems that are inspired by text retrieval. A key component of these approaches is that local ...