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  • 1. Castermans, Thom
    et al.
    Hammarström, Harald
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Languages, Department of Linguistics and Philology.
    Speckmann, Bettina
    Verbeek, Kevin
    Westenberg, Michel
    GlottoVis: Visualizing Language Endangerment and Documentation2017In: VIS4DH’17: 2nd Workshop on Visualization for the Digital Humanities / [ed] Collins, Christopher; Correll, Michael; El-Assady, Mennatallah; Jänicke, Stefan; Keim, Daniel; Wrisley, David, Phoenix, Arizona: IEEE , 2017, p. 1-5Chapter in book (Other academic)
  • 2. Forkel, Robert
    et al.
    List, Johann-Mattis
    Greenhill, Simon J.
    Rzymski, Christoph
    Bank, Sebastian
    Cysouw, Michael
    Hammarström, Harald
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Languages, Department of Linguistics and Philology.
    Haspelmath, Martin
    Kaiping, Gereon A.
    Gray, Russell D.
    Cross-Linguistic Data Formats, advancing data sharing and re-use in comparative linguistics2018In: Scientific Data, E-ISSN 2052-4463, Vol. 5, article id 180205Article in journal (Refereed)
    Abstract [en]

    The amount of available digital data for the languages of the world is constantly increasing. Unfortunately, most of the digital data are provided in a large variety of formats and therefore not amenable for comparison and re-use. The Cross-Linguistic Data Formats initiative proposes new standards for two basic types of data in historical and typological language comparison (word lists, structural datasets) and a framework to incorporate more data types (e.g. parallel texts, and dictionaries). The new specification for cross-linguistic data formats comes along with a software package for validation and manipulation, a basic ontology which links to more general frameworks, and usage examples of best practices.

  • 3. Gijn, Rik van
    et al.
    Hammarström, Harald
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Languages, Department of Linguistics and Philology.
    Kerke, Simon van de
    Krasnoukhova, Olga
    Muysken, Pieter
    Linguistic Areas, Linguistic Convergence and River Systems in South America2017In: Handbook of Areal Linguistics / [ed] Hickey, Raymond, Cambridge: Cambridge University Press , 2017, p. 964-996Chapter in book (Other academic)
  • 4.
    Hammarström, Harald
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Languages, Department of Linguistics and Philology.
    A Survey of African Languages2018In: African Languages and Linguistics / [ed] Güldemann, Tom, Berlin: DeGruyter Mouton , 2018, p. 1-57Chapter in book (Other academic)
  • 5.
    Hammarström, Harald
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Languages, Department of Linguistics and Philology.
    Language Isolates in the New Guinea region2017In: Language Isolates / [ed] Campbell, Lyle; Smith, Alex; Dougherty, Thomas, London: Routledge , 2017, p. 287-321Chapter in book (Other academic)
  • 6.
    Hammarström, Harald
    et al.
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Languages, Department of Linguistics and Philology.
    Castermans, Thom
    Forkel, Robert
    Verbeek, Kevin
    Westenberg, Michel A.
    Speckmann, Bettina
    Simultaneous Visualization of Language Endangerment and Language Description2018In: Language Documentation & Conservation, ISSN 1934-5275, E-ISSN 1934-5275, Vol. 12, p. 359-392Article in journal (Refereed)
    Abstract [en]

    The world harbors a diversity of some 6,500 mutually unintelligible languages. As has been increasingly observed by linguists, many minority languages are becoming endangered and will be lost forever if not documented. Urgently indeed, many efforts are being launched to document and describe languages. This undertaking naturally has the priority toward the most endangered and least described languages. For the first time, we combine world-wide databases on language description (Glottolog) and language endangerment (ElCat, Ethnologue, UNESCO) and provide two online interfaces, GlottoScope and GlottoVis, to visualize these together. The interfaces are capable of browsing, filtering, zooming, basic statistics, and different ways of combining the two measures on a world map background. GlottoVis provides advanced techniques for combining cluttered dots on a map. With the tools and databases described we seek to increase the overall knowledge of the actual state language endangerment and description worldwide.

  • 7.
    Hammarström, Harald
    et al.
    Department of Computing Science, Chalmers University, Gothenburg.
    Thornell, Christina
    Department of African Languages, Gothenburg University, Gothenburg.
    Petzell, Malin
    Department of African Languages, Gothenburg University, Gothenburg.
    Westerlund, Torbjörn
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Languages, Department of Linguistics and Philology.
    Bootstrapping Language Description: The case of Mpiemo (Bantu A, Central African Republic)2008Conference paper (Refereed)
    Abstract [en]

    Linguists have long been producing grammatical decriptions of yet undescribed languages. This is a time-consuming process, which has already adapted to improved technology for recording and storage. We present here a novel application of NLP techniques to bootstrap analysis of collected data and speed-up manual selection work. To be more precise, we argue that unsupervised induction of morphology and part-of-speech analysis from raw text data is mature enough to produce useful results. Experiments with Latent Semantic Analysis were less fruitful. We exemplify this on Mpiemo, a so-far essentially undescribed Bantu language of the Central African Republic, for which raw text data was available.

  • 8.
    Hammarström, Harald
    et al.
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Languages, Department of Linguistics and Philology.
    Virk, Shafqat Mumtaz
    Forsberg, Markus
    Poor Man’s OCR Post-Correction: Unsupervised Recognition of Variant Spelling Applied to a Multilingual Document Collection2017In: Proceedings of the Digital Access to Textual Cultural Heritage (DATeCH) conference, Göttingen: ACM , 2017, p. 71-75Chapter in book (Other academic)
  • 9. Pawley, Andrew
    et al.
    Hammarström, Harald
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Languages, Department of Linguistics and Philology.
    The Trans New Guinea family2017In: Papuan Languages and Linguistics / [ed] Palmer, Bill, Berlin: DeGruyter Mouton , 2017, p. 21-195Chapter in book (Other academic)
  • 10.
    Seifart, Frank
    et al.
    CNRS, Paris, France; Université de Lyon, Lyon, France; University of Amsterdam, Amsterdam, Netherlands; University of Cologne, Cologne, Germany.
    Evans, Nicholas
    ARC Centre of Excellence for the Dynamics of Language, The Australian National University, Canberra, ACT, Australia.
    Hammarström, Harald
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Languages, Department of Linguistics and Philology. Max Planck Inst Sci Human Hist, Jena, Germany.
    Levinson, Stephen C.
    Max Planck Institute for Psycholinguistics, Nijmegen, Netherlands.
    Language documentation twenty-five years on2018In: Language, ISSN 0097-8507, E-ISSN 1535-0665, Vol. 94, no 4, p. E324-E345Article in journal (Refereed)
    Abstract [en]

    This discussion note reviews responses of the linguistics profession to the grave issues of language endangerment identified a quarter of a century ago in the journal Language by Krauss, Hale, England, Craig, and others (Hale et al. 1992). Two and a half decades of worldwide research not only have given us a much more accurate picture of the number, phylogeny, and typological variety of the world's languages, but they have also seen the development of a wide range of new approaches, conceptual and technological, to the problem of documenting them. We review these approaches and the manifold discoveries they have unearthed about the enormous variety of linguistic structures. The reach of our knowledge has increased by about 15% of the world's languages, especially in terms of digitally archived material, with about 500 languages now reasonably documented thanks to such major programs as DoBeS, ELDP, and DEL. But linguists are still falling behind in the race to document the planet's rapidly dwindling linguistic diversity, with around 35-42% of the world's languages still substantially undocumented, and in certain countries (such as the US) the call by Krauss (1992) for a significant professional realignment toward language documentation has only been heeded in a few institutions. Apart from the need for an intensified documentarist push in the face of accelerating language loss, we argue that existing language documentation efforts need to do much more to focus on crosslinguistically comparable data sets, sociolinguistic context, semantics, and interpretation of text material, and on methods for bridging the 'transcription bottleneck', which is creating a huge gap between the amount we can record and the amount in our transcribed corpora.

  • 11. Seifart, Frank
    et al.
    Hammarström, Harald
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Languages, Department of Linguistics and Philology.
    Language Isolates in South America2017In: Language Isolates / [ed] Campbell, Lyle; Smith, Alex; Dougherty, Thomas, London: Routledge , 2017, p. 260-286Chapter in book (Other academic)
  • 12. Virk, Shafqat Mumtaz
    et al.
    Borin, Lars
    Saxena, Anju
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Languages, Department of Linguistics and Philology.
    Hammarström, Harald
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Languages, Department of Linguistics and Philology.
    Automatic extraction of typological linguistic features from descriptive grammars2017In: Text, Speech, and Dialogue: 20th International Conference, TSD 2017, Prague, Czech Republic, August 27-31, 2017, Proceedings / [ed] Ekštein, Kamil; Matoušek, Václav, Springer, 2017, Vol. 10415, p. 111-119Chapter in book (Refereed)
    Abstract [en]

    The present paper describes experiments on automatically extracting typological linguistic features of natural languages from traditional written descriptive grammars. The feature-extraction task has high potential value in typological, genealogical, historical, and other related areas of linguistics that make use of databases of structural features of languages. Until now, extraction of such features from grammars has been done manually, which is highly time and labor consuming and becomes prohibitive when extended to the thousands of languages for which linguistic descriptions are available. The system we describe here starts from semantically parsed text over which a set of rules are applied in order to extract feature values. We evaluate the system’s performance on the manually curated Grambank database as the gold standard and report the first measures of precision and recall for this problem

1 - 12 of 12
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