Inforex — web-based text corpus management system

About

Corpus annotation platform

Construction, sharing and semantic annotation of text corpora.

Inforex is a web system for text corpora construction. Inforex allows parallel access and sharing resources among many users. The system assists semantic annotation of texts on several levels, such as marking text references, creating new references, or marking word senses.

Main features

does not require installation — access through a web browser supporting JavaScript,
remote access to the data,
data sharing between users,
control of work progress,
advanced system of access control — by users and tasks,
supports metadata, content cleanup, phrase annotation, phrase lemmatisation and annotation linking,
inter-annotator agreement on the level of phrase annotation,
export documents to a ccl format.

Suggested browser: Chrome

Instruction
17 lipca 2025 Inforex user instruction (PL)
Movies
2020-04 Progress monitoring, users, user roles, subcorpora, metadata, frequency lists
Presentations
20 października 2025 Gromadzenie, anotowanie i udostępnianie korpusów, Marcin Oleksy, Jan Kocoń

Contribution

Currently involved in the development

People actively shaping the project.

Marcin Oleksy
Tomasz Naskręt

Involved in the past

People who contributed to earlier stages.

Adam Kaczmarek
Jan Kocoń
Michał Marcińczuk
Marcin Ptak
Mikołaj Szewczyk
Wojciech Rauk

Publications

Latest publication · RANLP 2019 · Varna, Bulgaria

Marcińczuk, M. & Oleksy, M. (2019). Inforex — a Collaborative System for Text Corpora Annotation and Analysis Goes Open.

Proceedings of the International Conference on Recent Advances in Natural Language Processing, pages 711―719. INCOMA Ltd.

@inproceedings{marcinczuk-oleksy-2019-inforex,
    title     = "{I}nforex {---} a Collaborative System for Text Corpora Annotation and Analysis Goes Open",
    author    = "Marci{\'n}czuk, Micha{\l}  and
                Oleksy, Marcin",
    booktitle = "Proceedings of the International Conference on Recent Advances in Natural Language Processing (RANLP 2019)",
    month     = sep,
    year      = "2019",
    address   = "Varna, Bulgaria",
    publisher = "INCOMA Ltd.",
    url       = "https://www.aclweb.org/anthology/R19-1083",
    doi       = "10.26615/978-954-452-056-4_083",
    pages     = "711--719",
}

Previous publication · RANLP 2017 · Varna, Bulgaria

Marcińczuk, M., Oleksy, M. & Kocoń, J. (2017). Inforex—a Collaborative System for Text Corpora Annotation and Analysis.

In Mitkov, Ruslan, Angelova, Galia (editors), Proceedings of the International Conference Recent Advances in Natural Language Processing, pages 473-482. INCOMA Ltd.

@inproceedings{DBLP:conf/ranlp/MarcinczukOK17,
    author    = {Michal Marcinczuk and Marcin Oleksy and Jan Kocon},
    editor    = {Ruslan Mitkov and Galia Angelova},
    title     = {Inforex - a collaborative system for text corpora annotation and analysis},
    booktitle = {Proceedings of the International Conference Recent Advances in Natural
    Language Processing, {RANLP} 2017, Varna, Bulgaria, September 2-8, 2017},
    pages     = {473--482},
    publisher = {{INCOMA} Ltd.},
    year      = {2017},
    url       = {https://doi.org/10.26615/978-954-452-049-6_063},
    doi       = {10.26615/978-954-452-049-6_063},
    timestamp = {Tue, 09 Jan 2018 14:09:59 +0100},
    biburl    = {https://dblp.org/rec/bib/conf/ranlp/MarcinczukOK17},
    bibsource = {dblp computer science bibliography, https://dblp.org}
}

Previous publication · LREC 2012 · Istanbul, Turkey

Marcińczuk, M., Kocoń, J. & Broda, B. (2012). Inforex — a web-based tool for text corpus management and semantic annotation.

In Calzolari, N., Choukri, K., Declerck, T., Do\u{g}an, M. U., Maegaard, B., Mariani, J. et al. (editors), Proceedings of the Eighth International Conference on Language Resources and Evaluation, pages 224-230. European Language Resources Association.

@InProceedings{lMARCICZUK12.446,
    author = {Michał Marcińczuk and Jan Kocoń and Bartosz Broda},
    title = {Inforex -- a web-based tool for text corpus management and semantic annotation},
    booktitle = {Proceedings of the Eight International Conference on Language Resources and Evaluation (LREC'12)},
    year = {2012},
    month = {may},
    date = {23-25},
    address = {Istanbul, Turkey},
    editor = {Nicoletta Calzolari (Conference Chair) and Khalid Choukri and Thierry Declerck and Mehmet Uğur Doğan and Bente Maegaard and Joseph Mariani and Asuncion Moreno and Jan Odijk and Stelios Piperidis},
    publisher = {European Language Resources Association (ELRA)},
    isbn = {978-2-9517408-7-7},
    language = {english}
 }

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Corpus annotation platform

Instruction

Movies

Presentations

Currently involved in the development

Involved in the past