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This paper discusses the semi-formal language of mathematics and presents the Naproche CNL, a controlled natural language for mathematical authoring. Proof Representation Structures, an adaptation of Discourse Representation Structures, are used to represent the semantics of texts written in the Naproche CNL. We discuss how the Naproche CNL can be used in formal mathematics, and present our prototypical Naproche system, a computer program for parsing texts in the Naproche CNL and checking the proofs in them for logical correctness.
The lexicography of German
(2020)
This chapter discusses the main dictionaries of the German language as it is spoken and written in Germany, and also German as it is spoken and written in Austria, Switzerland, the eastern fringes of Belgium, and South Tyrol. It also briefly describes Pennsylvania German. Corpora and other language resources used in German dictionary-making are also presented. Finally, there is a discussion of some current issues in German lexicography, as well as future prospects.
The ISOcat registry reloaded
(2012)
The linguistics community is building a metadata-based infrastructure for the description of its research data and tools. At its core is the ISOcat registry, a collaborative platform to hold a (to be standardized) set of data categories (i.e., field descriptors). Descriptors have definitions in natural language and little explicit interrelations. With the registry growing to many hundred entries, authored by many, it is becoming increasingly apparent that the rather informal definitions and their glossary-like design make it hard for users to grasp, exploit and manage the registry’s content. In this paper, we take a large subset of the ISOcat term set and reconstruct from it a tree structure following the footsteps of schema.org. Our ontological re-engineering yields a representation that gives users a hierarchical view of linguistic, metadata-related terminology. The new representation adds to the precision of all definitions by making explicit information which is only implicitly given in the ISOcat registry. It also helps uncovering and addressing potential inconsistencies in term definitions as well as gaps and redundancies in the overall ISOcat term set. The new representation can serve as a complement to the existing ISOcat model, providing additional support for authors and users in browsing, (re-)using, maintaining, and further extending the community’s terminological metadata repertoire.
We present a supervised machine learning AND system which tackles semantic similarity between publication titles by means of word embeddings. Word embeddings are integrated as external components, which keeps the model small and efficient, while allowing for easy extensibility and domain adaptation. Initial experiments show that word embeddings can improve the Recall and F score of the binary classification sub-task of AND. Results for the clustering sub-task are less clear, but also promising and overall show the feasibility of the approach.
The chapter on formats and models for lexicons deals with different available data formats of lexical resources. It elaborates on their structure and possible uses. Motivated by the restrictions in merging different lexical resources based on widely spread formalisms and international standards, a formal lexicon model for lexical resources is developed which is related to graph structures in annotations. For lexicons this model is termed the Lexicon Graph. Within this model the concepts of lexicon entries and lexical structures frequently described in the literature are formally defined and examples are given. The article addresses the problem of ambiguity in those formal terms. An implementation based on XML and XML technology such as XQuery for the defined structures is given. The relation to international standards is included as well.
Discourse parsing of complex text types such as scientific research articles requires the analysis of an input document on linguistic and structural levels that go beyond traditionally employed lexical discourse markers. This chapter describes a text-technological approach to discourse parsing. Discourse parsing with the aim of providing a discourse structure is seen as the addition of a new annotation layer for input documents marked up on several linguistic annotation levels. The discourse parser generates discourse structures according to the Rhetorical Structure Theory. An overview of the knowledge sources and components for parsing scientific joumal articles is given. The parser’s core consists of cascaded applications of the GAP, a Generic Annotation Parser. Details of the chart parsing algorithm are provided, as well as a short evaluation in terms of comparisons with reference annotations from our corpus and with recently developed Systems with a similar task.
Mock fiction is a genre of humorous, fictional narratives. It is pervasive in adolescents’ peer-group interaction. Building on a corpus of informal peer-group interaction among 14 to 17 year-old German adolescents, it is shown how mock fiction is used to sanction identity-claims of peer-group co-members that are taken to be inadequate by the teller of a mock fiction. Mock fiction exposes and ridicules those claims by fictional exaggeration. Mock fiction is an indirect, yet sometimes even highly abusive means for criticizing and negotiating identities and statuses of peer-group members. The analysis shows how mock fiction is collaboratively produced, how it is used to convey criticism and to negotiate social norms indirectly, and how, in addition, it allows for performative self-positioning of the tellers as skilled, entertaining tellers and socio-psychological diagnosticians.
This chapter analyses the impact of political decentralization in a state on the position of ethnic and linguistic minorities, in particular with regard to the role of parliamentary assemblies in the political system. It relates a number of typical functions of parliaments to the specific needs of minorities and their languages. The most important of these functions are the representation of the minority and responsiveness to the minority’s needs. The chapter then discusses six examples from the European Union (and Norway) which prototypically represent different types of parliamentary decentralization: the ethnically defined Sameting in Norway and its importance for the Sámi population, the Scottish Parliament and its role for speakers of Scottish Gaelic, the German regional parliaments of the Länder of Schleswig-Holstein and Saxony and their impact on the Frisian and Sorbian minorities respectively, the autonomy of predominantly German-speaking South Tyrol within the Italian state, and finally the situation of the speakers of Latgalian in Latvia, where a decentralized parliament is missing. The chapter also makes suggestions on comparisons of these situations with minorities in Russia. It finally argues that political decentralization may indeed empower minorities to gain a greater voice in their states, even if much ultimately depends on individual factors in each situation and the attitudes by the majority population and the political center.
The demo presents a minimalist, off-the-shelf AND tool which provides a fundamental AND operation, the comparison of two publications with ambiguous authors, as an easily accessible HTTP interface. The tool implements this operation using standard AND functionality, but puts particular emphasis on advanced methods from natural language processing (NLP) for comparing publication title semantics.
This chapter investigates policies which shape the role of the German language in contemporary Estonia. Whereas German played for many centuries an important role as the language of the economic and cultural elite in Estonia, it severely declined in importance throughout the twentieth century. Mirrored on this historical background, the paper provides an overview of the current functions of German and attitudes towards it and it discusses how these functions and attitudes are influenced by policies of various actors from inside and outside Estonia. The paper argues that German continues to play a significant role: while German is no longer a lingua franca, it still enjoys a number of functions and prestige in clearly defined niches involving communication within German-speaking circles or between Estonians and Germans. The interplay of language policies of the Estonian and the German-speaking states as well as by semi-state and private institutions succeed in maintaining German as an additional language in contemporary Estonia.