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The main objective of this article is to describe the current activities at the Mannheim Institute for German Language regarding the implementation of a domain-specific ontology for German grammar. We differentiate ontology bases from ontology management Systems, point out the benefits of database-driven Solutions, and go Step by Step through all phases of the ontology lifecycle. In Order to demonstrate the practical use of our approach, we outline the interface between our ontology and the grammis web Information System, and compare the ontology-based retrieval mechanism with traditional full text search.
The paper describes preliminary studies regarding the usage of Example-Based Querying for specialist corpora. We outline an infrastructure for its application within the linguistic domain. Example-Based Querying deals with retrieval situations where users would like to explore large collections of specialist texts semantically, but are unable to explicitly name the linguistic phenomenon they look for. As a way out, the proposed framework allows them to input prototypical everyday language examples or cases of doubt, which are automatically processed by CRF and linked to appropriate linguistic texts in the corpus.
In this paper, we present our approach to automatically extracting German terminology in the domain of grammar using texts from the online information system grammis as our corpus. We analyze existing repositories of German grammatical terminology and develop Part-of-speech patterns for our extraction thereby showing the importance of unigrams in this domain. We contrast the results of the automatic extraction with a manually extracted standard. By comparing the performance of well-known statistical measures, we show how measures based on corpus comparison outperform alternative methods.
Seit Mitte der 1990er Jahre wird am Institut für deutsche Sprache (IDS) in Mannheim erforscht, wie der hochkomplexe Gegenstandsbereich „Grammatik“ unter Ausnutzung hypertextueller Navigationsstrukturen wissenschaftlich fundiert und anschaulich vermittelt werden kann. Eine zentrale Bedeutung kommt folglich einer konsistenten, theorieübergreifenden Vernetzung sämtlicher Textinhalte zu. Um eine automatisierbare Bezugnahme zwischen mit unterschiedlichem terminologischem Vokabular formulierten, aber das gleiche sprachliche Phänomen beschreibenden Inhalten zu befördern, bildet eine onomasiologisch konzipierte Terminologiedatenbank das Rückgrat des Online-Systems. Der Beitrag beschreibt Konzeption und Aufbau der skizzierten linguistischen Fachterminologie.
Complement phrases are essential for constructing well-formed sentences in German. Identifying verb complements and categorizing complement classes is challenging even for linguists who are specialized in the field of verb valency. Against this background, we introduce an ML-based algorithm which is able to identify and classify complement phrases of any German verb in any written sentence context. We use a large training set consisting of example sentences from a valency dictionary, enriched with POS tagging, and the ML-based technique of Conditional Random Fields (CRF) to generate the classification models.
Introducing Interactive Grammar: How to Develop Language Competence with Research-based Learning
(2023)
We present the implementation of an interactive e-learning platform for both classroom study and self-study, that helps developing German language competence – vocabulary, spelling, and grammar – on various levels and for everyday life applications. The LernGrammis portal addresses school and highschool students, (prospective) teachers, and L2 learners of German equally, each with appropriate educational content and interactive components. It thus offers the digital networking infrastructure for education a unique, freely available and scientifically based learning resource. Applying the innovative concept of „Research-based Learning (RBL)“, LernGrammis provides teachers with ideas for lesson planning, and learners with dedicated modules to develop new skills through exploring authentic language resources and by this means answering customised low-threshold research questions. Using proven practical examples, we demonstrate the approach, its strengths and possibilities, as well as initial user feedback evaluation results.
The compilation of terminological vocabularies plays a central role in the organization and retrieval of scientific texts. Both simple keyword lists as well as sophisticated modellings of relationships between terminological concepts can make a most valuable contribution to the analysis, classification, and finding of appropriate digital documents, either on the Web or within local repositories. This seems especially true for long-established scientific fields with various theoretical and historical branches, such as linguistics, where the use of terminology within documents from different origins is sometimes far from being consistent. In this short paper, we report on the early stages of a project that aims at the re-design of an existing domain-specific KOS for grammatical content grammis. In particular, we deal with the terminological part of grammis and present the state-of-the-art of this online resource as well as the key re-design principles. Further, we propose questions regarding ramifications of the Linked Open Data and Semantic Web approaches for our re-design decisions.
Der Beitrag beschreibt Konzeption und Umsetzung der Anbindung von lexikalischen Datenbanken an das grammatische Informationssystem grammis, das seit Mitte 1993 am Institut für deutsche Sprache (IDS) entwickelt wird. Im Rahmen dieses Projekts wird erforscht, wie grammatisches Wissen mit moderner Computertechnik anschaulich dargestellt und verständlich vermittelt werden kann.