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Based on a detailed case study of parallel grammar development distributed across two sites, we review some of the requirements for regression testing in grammar engineering, summarize our approach to systematic competence and performance profiling, and discuss our experience with grammar development for a commercial application. If possible, the workshop presentation will be organized around a software demonstration.
Um den schwierigen Wettbewerbsbedingungen im internationalen Vergleich entgegentreten zu können, benötigen kleine und mittlere Unternehmen nicht nur den Einsatz moderner Informationstechniken und eine kommerzielle Präsenz im multimedialen und grafikintensiven Teil des Internets, sondern auch eine an den Kunden angepasste Web-Präsenz. In diesem Sinne widmen wir uns in diesem Beitrag der wirtschaftlichen Notwendigkeit einer kontrastiven Hypertextgrammatik. In den letzten Jahren ist dank der zunehmenden Bedeutung des Internets als Handelsplattform eine grammatische Unterdisziplin entstanden, die zur Geschäftsoptimierung kleiner und mittlerer Unternehmen einen beachtlichen Beitrag leisten könnte: die kontrastive Hypertextgrammatik. Wir gehen hier der Frage nach, wie man bei einer kontrastiven hypertextgrammatischen Studie vorgehen könnte.
We present a broad coverage Japanese grammar written in the HPSG formalism with MRS semantics. The grammar is created for use in real world applications, such that robustness and performance issues play an important role. It is connected to a POS tagging and word segmentation tool. This grammar is being developed in a multilingual context, requiring MRS structures that are easily comparable across languages.
Multicomponent Tree Adjoining Grammars (MCTAG) is a formalism that has been shown to be useful for many natural language applications. The definition of MCTAG however is problematic since it refers to the process of the derivation itself: a simultaneity constraint must be respected concerning the way the members of the elementary tree sets are added. Looking only at the result of a derivation (i.e., the derived tree and the derivation tree), this simultaneity is no longer visible and therefore cannot be checked. I.e., this way of characterizing MCTAG does not allow to abstract away from the concrete order of derivation. Therefore, in this paper, we propose an alternative definition of MCTAG that characterizes the trees in the tree language of an MCTAG via the properties of the derivation trees the MCTAG licences.