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CIKM
2010
Springer
14 years 8 months ago
Improved index compression techniques for versioned document collections
Current Information Retrieval systems use inverted index structures for efficient query processing. Due to the extremely large size of many data sets, these index structures are u...
Jinru He, Junyuan Zeng, Torsten Suel
CIKM
1998
Springer
15 years 1 months ago
Layered Index Structures in Document Database Systems
In this paper, a signature file method for indexing document database systems is presented. For this purpose, the concept of presentative word hierarchy is introduced, based on whi...
Yangjun Chen, Karl Aberer
DATESO
2004
118views Database» more  DATESO 2004»
14 years 11 months ago
LSI vs. Wordnet Ontology in Dimension Reduction for Information Retrieval
Abstract. In the area of information retrieval, the dimension of document vectors plays an important role. Firstly, with higher dimensions index structures suffer the "curse o...
Pavel Moravec, Michal Kolovrat, Václav Sn&a...
113
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SIGIR
2012
ACM
12 years 12 months ago
Optimizing positional index structures for versioned document collections
Versioned document collections are collections that contain multiple versions of each document. Important examples are Web archives, Wikipedia and other wikis, or source code and ...
Jinru He, Torsten Suel
CLEF
2006
Springer
15 years 1 months ago
A WordNet-Based Indexing Technique for Geographical Information Retrieval
Abstract. This paper presents an indexing technique based on WordNet synonyms and holonyms. This technique has been developed for the Geographical Information Retrieval task. It ma...
Davide Buscaldi, Paolo Rosso, Emilio Sanchis