MIaSMath is a math processing plugin for Lucene or Solr.
To integrate MIaSMath including MathTokenizer into a Solr instance:
- Copy the following libraries to the
solr/libdirectory:
jdom2-2.0.3.jarmathml-canonicalizer.jarMIaSMath.jar
- Configure the following attributes in
schema.xmlfor the tokenizer MathTokenizer:
-
subformulae–truefor analyzer typeindex, andfalsefor analyzer typequery, as follows:<fieldType name="math" class="solr.TextField"> <analyzer type="index"> <tokenizer class="cz.muni.fi.mias.MathTokenizerFactory" subformulae="true"/> </analyzer> <analyzer type="query"> <tokenizer class="cz.muni.fi.mias.MathTokenizerFactory" subformulae="false"/> </analyzer> </fieldType>
-
Declare a field for storing math as follows:
<field name="math" type="math" indexed="true" stored="false" multiValued="true" />
That's it. You can now run your Solr instance and test MathTokenizer in the analysis interface.
SOJKA, Petr and Martin LÍŠKA. The Art of Mathematics Retrieval. In Matthew R. B. Hardy, Frank Wm. Tompa. Proceedings of the 2011 ACM Symposium on Document Engineering. Mountain View, CA, USA: ACM, 2011. p. 57–60. ISBN 978-1-4503-0863-2. doi:10.1145/2034691.2034703.
@inproceedings{doi:10.1145:2034691.2034703,
author = "Petr Sojka and Martin L\'{i}\v{s}ka",
title = "{The Art of Mathematics Retrieval}",
booktitle = "{Proceedings of the ACM Conference on Document Engineering,
DocEng 2011}",
publisher = "{Association of Computing Machinery}",
address = "{Mountain View, CA}",
year = 2011,
month = Sep,
isbn = "978-1-4503-0863-2",
pages = "57--60",
url = {http://doi.acm.org/10.1145/2034691.2034703},
doi = {10.1145/2034691.2034703},
abstract = {The design and architecture of MIaS (Math Indexer and Searcher),
a system for mathematics retrieval is presented, and design
decisions are discussed. We argue for an approach based on
Presentation MathML using a similarity of math subformulae. The
system was implemented as a math-aware search engine based on the
state-of-the-art system Apache Lucene. Scalability issues were
checked against more than 400,000 arXiv documents with 158
million mathematical formulae. Almost three billion MathML
subformulae were indexed using a Solr-compatible Lucene.},
}
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