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TAL
2010
Springer
15 years 5 months ago
Portable Extraction of Partially Structured Facts from the Web
A novel fact extraction task is defined to fill a gap between current information retrieval and information extraction technologies. It is shown that it is possible to extract usef...
Andrew Salway, Liadh Kelly, Inguna Skadina, Gareth...
AIRS
2010
Springer
15 years 4 months ago
Advanced Training Set Construction for Retrieval in Historic Documents
Retrieval in historic documents with non-standard spelling requires a mapping from search terms onto the historic terms in the document. For describing this mapping, we have develo...
Andrea Ernst-Gerlach, Norbert Fuhr
SIGIR
2011
ACM
14 years 9 months ago
Bag-of-visual-words vs global image descriptors on two-stage multimodal retrieval
The Bag-Of-Visual-Words (BOVW) paradigm is fast becoming a popular image representation for Content-Based Image Retrieval (CBIR), mainly because of its better retrieval effectiven...
Savvas A. Chatzichristofis, Konstantinos Zagoris, ...
ECIR
2009
Springer
16 years 3 months ago
Revisiting N-Gram Based Models for Retrieval in Degraded Large Collections
The traditional retrieval models based on term matching are not effective in collections of degraded documents (output of OCR or ASR systems for instance). This paper presents a n...
Javier Parapar, Ana Freire, Alvaro Barreiro
SPIRE
2009
Springer
16 years 1 months ago
Indexing Variable Length Substrings for Exact and Approximate Matching
We introduce two new index structures based on the q-gram index. The new structures index substrings of variable length instead of q-grams of fixed length. For both of the new ind...
Gonzalo Navarro, Leena Salmela