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Inverted files for text search engines
- ACM Computing Surveys
, 2006
"... The technology underlying text search engines has advanced dramatically in the past decade. The development of a family of new index representations has led to a wide range of innovations in index storage, index construction, and query evaluation. While some of these developments have been consolida ..."
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Cited by 329 (6 self)
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The technology underlying text search engines has advanced dramatically in the past decade. The development of a family of new index representations has led to a wide range of innovations in index storage, index construction, and query evaluation. While some of these developments have been
A New Approach to Text Searching
"... We introduce a family of simple and fast algorithms for solving the classical string matching problem, string matching with classes of symbols, don't care symbols and complement symbols, and multiple patterns. In addition we solve the same problems allowing up to k mismatches. Among the feature ..."
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Cited by 293 (15 self)
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the features of these algorithms are that they don't need to buffer the input, they are real time algorithms (for constant size patterns), and they are suitable to be implemented in hardware. 1 Introduction String searching is a very important component of many problems, including text editing
Parallel Text Search Methods
- Communications of the ACM
, 1988
"... A comparison of recently proposed parallel text search methods to alternative available search strategies that use serial processing machines suggests parallel methods do not provide large-scale gains in either retrieval effectiveness or efficiency. ..."
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Cited by 29 (1 self)
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A comparison of recently proposed parallel text search methods to alternative available search strategies that use serial processing machines suggests parallel methods do not provide large-scale gains in either retrieval effectiveness or efficiency.
Fast text searching with errors
, 1991
"... Searching for a pattern in a text file is a very common operation in many applications ranging from text editors and databases to applications in molecular biology. In many instances the pat-tern does not appear in the text exactly. Errors in the text or in the query can result from misspel-ling or ..."
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Cited by 33 (0 self)
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Searching for a pattern in a text file is a very common operation in many applications ranging from text editors and databases to applications in molecular biology. In many instances the pat-tern does not appear in the text exactly. Errors in the text or in the query can result from misspel-ling
Text Searching: Theory and Practice
"... We present the state of the art of the main component of text retrieval systems: the search engine. We outline the main lines of research and issues involved. We survey the relevant techniques in use today for text searching and explore the gap between theoretical and practical algorithms. The main ..."
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Cited by 2 (0 self)
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We present the state of the art of the main component of text retrieval systems: the search engine. We outline the main lines of research and issues involved. We survey the relevant techniques in use today for text searching and explore the gap between theoretical and practical algorithms. The main
Approximate Text Searching
, 1998
"... This thesis focuses on the problem of text retrieval allowing errors, also called "approximate" string matching. The problem is to nd a pattern in a text, where the pattern and the text may have "errors". This problem has received a lot of attention in recent years because of its ..."
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Cited by 25 (7 self)
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and its statistical behavior. Although our results are valid in many dierent areas, we focus our attention on typical text searching for information retrieval applications. This makes some ranges of values for the parameters of the problem more interesting than others. We have divided this presentation
Hierarchies Of Indices For Text Searching
- Rockefeller University
, 1996
"... We present an efficient implementation of a recently known index for text databases, when the database is stored on secondary storage devices such as magnetic or optical disks. The implementation is built on top of a new and simple index for texts called pat array (or suffix array). Considering that ..."
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Cited by 20 (7 self)
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that text searching in a large database spends most of the time accessing external storage devices, we propose additional index structures and searching algorithms for pat arrays that reduce the number of disk accesses. We present two index structures: a two-level hierarchy model that uses main memory
Fast Text Searching With Errors
, 1991
"... Searching for a pattern in a text file is a very common operation in many applications ranging from text editors and databases to applications in molecular biology. In many instances the pattern does not appear in the text exactly. Errors in the text or in the query can result from misspelling or fr ..."
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Searching for a pattern in a text file is a very common operation in many applications ranging from text editors and databases to applications in molecular biology. In many instances the pattern does not appear in the text exactly. Errors in the text or in the query can result from misspelling
– Text search – Sequence search
"... What are biosimilars? • Similar to innovator biopharmaceutical products • Also referred to as follow on biologics or -biogenerics Oft t i b d f t d • en are pro e n ase, manu ac ure using microorganisms, plant, or animal cells • Many are produced using recombinant DNA technology 3 Biosimilars are mo ..."
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What are biosimilars? • Similar to innovator biopharmaceutical products • Also referred to as follow on biologics or -biogenerics Oft t i b d f t d • en are pro e n ase, manu ac ure using microorganisms, plant, or animal cells • Many are produced using recombinant DNA technology 3 Biosimilars are more complex than traditional pharmaceuticals • Traditional pharmaceuticals – Have well defined chemical structures Manufactured through chemical synthesis– – Can be analyzed to determine components Bi i il • os m ars – Difficult to characterize a complex biologic – Changes in the manufacturing process can affect the finished biologic 4 – Components of a biologic can be unknown Biosimilars are not generics • Generic drugs are equivalent to the reference drug – Must contain the same active ingredients, strength, and dosage form – Must be therapeutically equivalent • Manufacturing of biosimilars is less predictable – Use of living organisms can affect the final product 5 – This can change the therapeutic activity STN provides useful and up to date information on biosimilars • Comprehensive collection of patent information – CAplusSM, DWPISM, INPADOCDB, PCTFULL, USPAT
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