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Why TeX math search is more relevant now than ever (invited talk 21.5.2012,Portsmouth University ...

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SOJKA, Petr. Why TeX math search is more relevant now than ever (invited talk 21.5.2012,Portsmouth University Computing Seminar,UK). In University of Portsmouth Computing Seminar. 2012.
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Basic information
Original name Why TeX math search is more relevant now than ever (invited talk 21.5.2012,Portsmouth University Computing Seminar,UK)
Name in Czech Proč je TeXové hledání matematiky dnes důležitější než dříve (zvaná přednáška 21.5.2012,Portsmouth University Computing Seminar,Portsmouth,UK)
Authors SOJKA, Petr (203 Czech Republic, guarantor, belonging to the institution).
Edition University of Portsmouth Computing Seminar, 2012.
Other information
Original language English
Type of outcome requested lectures
Field of Study General mathematics
Country of publisher Czech Republic
Confidentiality degree is not subject to a state or trade secret
WWW slides
RIV identification code RIV/00216224:14330/12:00060008
Organization unit Faculty of Informatics
Keywords (in Czech) vyhledávání matematických formulí; TeX;DML-CZ;workflow digitalizace;digitalni knihovny;pdfjbim;jbig2enc;RDF recompression
Keywords in English math-aware search;mathematics knowledge management;TeX;DML-CZ;digitization workflow;digital libraries;pdfJbim;big2enc;PDF recompression
Tags International impact
Changed by Changed by: doc. RNDr. Petr Sojka, Ph.D., učo 2378. Changed: 12. 9. 2012 14:37.
TeX is around 30 years old, and was conceived and written before the advent of MathML, not to mention the Internet. At that time the idea of indexing and searching mathematics was just a futuristic idea. When people jumped on the Google bandwagon, it was predicted that old technologies such as TEX mark-up for math would disappear in time (it is not used for tokenization and indexing properly). The advent of the Internet and W3C brought mark-up and global search to the attention of the public. Somehow it was acceptable again. The recent move to the semantic search and MathML has brought renewed attention to the need of unambiguous canonical math representation in texts. As part of the project of building the European Digital Mathematics Library ( we have designed and implemented a math search engine, MIaS ( It currently indexes and searches more than 160,000,000 formulae originally written by authors in TeX in their scientific papers. We will present the system and will discuss the ways towards a global math search engine based on the TeX math notation.
LA09016, research and development projectName: Účast ČR v European Research Consortium for Informatics and Mathematics (ERCIM) (Acronym: ERCIM)
Investor: Ministry of Education, Youth and Sports of the CR, INGO
250503, internal MU codeName: The European Digital Mathematics Library (Acronym: EuDML)
Investor: European Union, Competitiveness and inovation framework programme
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