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IFIPTCS
2000
15 years 1 months ago
An Index for Two Dimensional String Matching Allowing Rotations
We present an index to search a two-dimensional pattern of size m m in a two-dimensional text of size n n, even when the pattern appears rotated in the text. The index is based on ...
Kimmo Fredriksson, Gonzalo Navarro, Esko Ukkonen
LREC
2010
159views Education» more  LREC 2010»
14 years 11 months ago
Improvements in Parsing the Index Thomisticus Treebank. Revision, Combination and a Feature Model for Medieval Latin
The creation of language resources for less-resourced languages like the historical ones benefits from the exploitation of language-independent tools and methods developed over th...
Marco Passarotti, Felice dell'Orletta
INFSOF
2007
98views more  INFSOF 2007»
14 years 10 months ago
Indexing range sum queries in spatio-temporal databases
Although spatio-temporal databases have received considerable attention recently, there has been little work on processing range sum queries on the historical records of moving ob...
Hyung-Ju Cho, Chin-Wan Chung
ICDE
2011
IEEE
217views Database» more  ICDE 2011»
14 years 1 months ago
Partitioning techniques for fine-grained indexing
— Many data-intensive websites use databases that grow much faster than the rate that users access the data. Such growing datasets lead to ever-increasing space and performance o...
Eugene Wu 0002, Samuel Madden
IRAL
2000
ACM
15 years 2 months ago
On the use of words and n-grams for Chinese information retrieval
: In the processing of Chinese documents and queries in information retrieval (IR), one has to identify the units that are used as indexes. Words and n-grams have been used as inde...
Jian-Yun Nie, Jianfeng Gao, Jian Zhang, Ming Zhou