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» Approximate Searching on Compressed Text
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SIGMOD
2004
ACM
150views Database» more  SIGMOD 2004»
14 years 11 months ago
When one Sample is not Enough: Improving Text Database Selection Using Shrinkage
Database selection is an important step when searching over large numbers of distributed text databases. The database selection task relies on statistical summaries of the databas...
Panagiotis G. Ipeirotis, Luis Gravano
SIGMOD
2002
ACM
246views Database» more  SIGMOD 2002»
14 years 11 months ago
Hierarchical subspace sampling: a unified framework for high dimensional data reduction, selectivity estimation and nearest neig
With the increased abilities for automated data collection made possible by modern technology, the typical sizes of data collections have continued to grow in recent years. In suc...
Charu C. Aggarwal
CPM
2008
Springer
148views Combinatorics» more  CPM 2008»
14 years 21 days ago
On-Line Approximate String Matching with Bounded Errors
We introduce a new dimension to the widely studied on-line approximate string matching problem, by introducing an error threshold parameter so that the algorithm is allowed to mis...
Marcos A. Kiwi, Gonzalo Navarro, Claudio Telha
SOFSEM
2007
Springer
14 years 5 months ago
Multimedia Retrieval Algorithmics
Abstract. After text retrieval, the next waves in web searching and multimedia retrieval are the search for and delivery of images, music, video, and 3D scenes. Not only the percep...
Remco C. Veltkamp
CPM
2005
Springer
101views Combinatorics» more  CPM 2005»
14 years 4 months ago
Succinct Suffix Arrays Based on Run-Length Encoding
A succinct full-text self-index is a data structure built on a text T = t1t2 . . . tn, which takes little space (ideally close to that of the compressed text), permits efficient se...
Veli Mäkinen, Gonzalo Navarro