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This paper presents three electronic collections of polarity items: (i) negative polarity items in Romanian, (ii) negative polarity items in German, and (iii) positive polarity items in German. The presented collections are a part of a linguistic resource on lexical units with highly idiosyncratic occurrence patterns. The motivation for collecting and documenting polarity items was to provide a solid empirical basis for linguistic investigations of these expressions. Our databe provides general information about the collected items, specifies their syntactic properties, and describes the environment that licenses a given item. For each licensing context, examples from various corpora and the Internet are introduced. Finally, the type of polarity (negative or positive) and the class (superstrong, strong, weak or open) associated with a given item is speci ed. Our database is encoded in XML and is available via the Internet, offering dynamic and exible access.
COSMAS II
(2008)
Data and transcription
(2008)
elexiko ist ein Online-Wörterbuch zum Gegenwartsdeutschen, das korpusbasiert und modular erarbeitet wird. Ein Schwerpunkt liegt dabei auf der ausführlichen korpusbasierten Beschreibung der Bedeutung und Verwendung sprachlicher Ausdrücke sowie ihrer Vernetzung untereinander. Die Präsentation des Wörterbuchs soll insbesondere zeigen, wie Korpusdaten in den Wortartikeln aufbereitet werden und wie elexiko genutzt werden kann, um lexikalisches Wissen in verschiedenen Benutzungssituationen aus den Wortartikeln zu gewinnen.
Electronic corpora play an ever growing role in lexicography. On the one hand, new access to linguistic usage is made possible through the use of text corpora and intelligent corpus-based query tools; however, the final results are still interpreted and described by lexicographers. In this case corpora are used for data acquisition. On the other hand, there are also projects that provide purely automatically acquired data in the form of "dictionaries". Lexicographers play only a minor role here. This latter type of corpus use creates a completely new kind of electronic dictionary. This article addresses the questions as to what extent these dictionaries differ from lexicographic tradition and whether they must be considered in metalexicography. Starting from previously compiled electronic dictionary typologies, we try to supplement the formulation of lexicographic data as a distinguishing feature. Finally, based on the findings of the project elexiko (Institute for the German Language - IDS), we demonstrate that the distinction between electronic versus man-made lexicographic data is also relevant to lexicographical practice.
How to Compare Treebanks
(2008)
Recent years have seen an increasing interest in developing standards for linguistic annotation, with a focus on the interoperability of the resources. This effort, however, requires a profound knowledge of the advantages and disadvantages of linguistic annotation schemes in order to avoid importing the flaws and weaknesses of existing encoding schemes into the new standards. This paper addresses the question how to compare syntactically annotated corpora and gain insights into the usefulness of specific design decisions. We present an exhaustive evaluation of two German treebanks with crucially different encoding schemes. We evaluate three different parsers trained on the two treebanks and compare results using EVALB, the Leaf-Ancestor metric, and a dependency-based evaluation. Furthermore, we present TePaCoC, a new testsuite for the evaluation of parsers on complex German grammatical constructions. The testsuite provides a well thought-out error classification, which enables us to compare parser output for parsers trained on treebanks with different encoding schemes and provides interesting insights into the impact of treebank annotation schemes on specific constructions like PP attachment or non-constituent coordination.
COOCCURRENCE ANALYSIS SEEN CONTRASTIVELY
On applying collocational patterning in bilingual lexicography - some examples from the large German-Czech academic dictionary
This paper resumes some of thoughts presented in the study by C. Belica and K. Steyer in this volume. It shows how bilingual lexicographers can take advantage of the cooccurrence analysis results when dealing with German-Czech contrast and structuring word configurations in an entry. They also sketch the corpus data in a form of structural types based on the collocational patterns and stress the importance of cooccurrence analysis for an enlarged offer of equivalents. They plead for more consideration of the syntactic variability. They argue that the cooccurrence analysis used for both German and for Czech should be an important step.
CONTRIBUTIONS TO THE STUDY OF GERMAN USAGE A CORPUS-BASED APPROACH
This paper outlines some basic assumptions and principles underlying the corpus linguistics research and some application domains at the Institute for German Language in Mannheim. We briefly address three complementary but closely related tasks: first, the acquisition of very large corpora, second, the research on statistical methods for automatically extracting information about associations between word configurations, and, third, meeting the challenge of understanding the explanatory power of such methods both in theoretical linguistics and in other fields such as second language acquisition or lexicography. We argue that a systematic statistical analysis of huge bodies of text can reveal substantial insights into the language usage und change, far beyond just collocational patterning.
The metadata management system for speech corpora “memasysco” has been developed at the Institut für Deutsche Sprache (IDS) and is applied for the first time to document the speech corpus “German Today”. memasysco is based on a data model for the documentation of speech corpora and contains two generic XML schemas that drive data capture, XML native database storage, dynamic publishing, and information retrieval. The development of memasysco’s information architecture was mainly based on the ISLE MetaData Initiative (IMDI) guidelines for publishing metadata of linguistic resources. However, since we also have to support the corpus management process in research projects at the IDS, we need a finer atomic granularity for some documentation components as well as more restrictive categories to ensure data integrity. The XML metadata of different speech corpus projects are centrally validated and natively stored in an Oracle XML database. The extension of the system to the management of annotations of audio and video signals (e.g. orthographic and phonetic transcriptions) is planned for the near future.
Rescuing Legacy Data
(2008)
This paper discusses issues that arise in the transformation of electronic language data from outdated to modern, sustainable formats. We first describe the problem and then present four different cases in which corpora of spoken language were converted from legacy formats to an XML-based representation. For each of the four cases, we describe the conversion workflow and discuss the difficulties that we had to overcome. Based on this experience, we formulate some more general observations about transforming legacy data and conclude with a set of best practice recommendations for a more sustainable handling of language corpora.
We present SPLICR, the Web-based Sustainability Platform for Linguistic Corpora and Resources. The system is aimed at people who work in Linguistics or Computational Linguistics: a comprehensive database of metadata records can be explored in order to find language resources that could be appropriate for one’s specific research needs. SPLICR also provides an interface that enables users to query and to visualise corpora. The project in which the system is being developed aims at sustainably archiving the ca. 60 language resources that have been constructed in three collaborative research centres. Our project has two primary goals: (a) To process and to archive sustainably the resources so that they are still available to the research community in five, ten, or even 20 years time. (b) To enable researchers to query the resources both on the level of their metadata as well as on the level of linguistic annota-tions. In more general terms, our goal is to enable solutions that leverage the interoperability, reusability, and sustainability of heterogeneous collections of language resources.
Der Beitrag diskutiert linguistische Fragestellungen und Probleme, die sich aus dem Projekt "Gesamtdeutsche Korpusinitiative" ergeben. Ausgangspunkt der Überlegungen ist die Frage, welchen Nutzen das Wendekorpus als Kern und eine weiterzuführende Dokumentation der deutschen Gegenwartssprache für sprachwissenschaftliche Analysen bringen könnte. Im Zentrum der Untersuchungen steht das Spannungsverhältnis zwischen Kontinuität, Variation und wirklichem Wandel der Sprachverwendung. Dabei schließt sich an übergreifende, sich von Einzelphänomenen lösende Aussagen zur Sprache der Wende (Abschnitt I.) die exemplarische Vorführung von Kontinuität und Dynamik sprachlicher Strukturen an Textausschnitten aus dem Wendekorpus an (Abschnitt II.).
This paper presents the Kicktionary, a multilingual (English - German - French) electronic lexical resource of the language of football. In the Kicktionary, methods from corpus linguistics and two approaches to lexical semantics - the theory of frame semantics and the concept of semantic relations - are combined to construct a lexical resource in which the user can explore relationships between lexical units in various ways. This paper explains the theoretical background of the Kicktionary, sketches the data and methods which were used in its construction, and describes how the resulting resource is presented to users via a set of hyperlinked webpages.
The Meta-data-Database of a Next Generation Sustainability Web-Platform for Language Resources
(2008)
Our goal is to provide a web-based platform for the long-term preservation and distribution of a heterogeneous collection of linguistic resources. We discuss the corpus preprocessing and normalisation phase that results in sets of multi-rooted trees. At the same time we transform the original metadata records, just like the corpora annotated using different annotation approaches and exhibiting different levels of granularity, into the all-encompassing and highly flexible format eTEI for which we present editing and parsing tools. We also discuss the architecture of the sustainability platform. Its primary components are an XML database that contains corpus and metadata files and an SQL database that contains user accounts and access control lists. A staging area, whose structure, contents, and consistency can be checked using tools, is used to make sure that new resources about to be imported into the platform have the correct structure.
Elexiko is a lexicological-lexicographic, corpus-guided German Internet reference work (cf. www.elexiko.de). Compared to printed dictionaries, in elexiko, restrictions on space disappear. Specific comments on the use of a word do not need to be given in traditional abbreviated forms, like the so-called field labels or usage. In this paper, I will show its advantages for the description of the particular pragmatic characteristics of a word: I will argue that traditional labelling such as formal, informal, institutional, etc. cannot account for the comprehensive pragmatic dimension of a word and that these are not transparent, particularly for non-native speakers of German. The main focus of the paper will be on an alternative approach to this dictionary information-as suggested by elexiko. I will demonstrate how narrative, descriptive and user friendly notes can be formulated for the explanation of the discursive contextual embedding or tendencies of evaluative use. I will outline how lexicographers can derive such information from language data in an underlying corpus which was designed and compiled for specific lexicographic purposes. Both, the theoretical-conceptual ideas and their lexicographic realisation in elexiko will be explained and illustrated with the help of relevant dictionary entries.