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  1. IGGSA-STEPS: Shared Task on Source and Target Extraction from Political Speeches
    Autor*in: Ruppenhofer, Josef ; Struß, Julia Maria ; Wiegand, Michael ; Remus, Robert ; Gindl, Stefan
    Erschienen: 2016

  2. Extending effect annotation with lexical decomposition
    Autor*in: Ruppenhofer, Josef ; Brandes, Jasper
    Erschienen: 2016

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    Quelle: BASE Fachausschnitt Germanistik
    Sprache: Englisch
    Medientyp: Unbestimmt
    Format: Online
    DDC Klassifikation: Germanische Sprachen; Deutsch (430)
    Schlagworte: opinion inference; Annotation; German data
    Lizenz:

    kostenfrei
  3. IGGSA-STEPS: Shared Task on Source and Target Extraction from Political Speeches
    Autor*in: Ruppenhofer, Josef
    Erschienen: 2016
    Verlag:  Institut für Deutsche Sprache, Bibliothek, Mannheim

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      BibTeX-Format
    Quelle: Verbundkataloge
    Beteiligt: Struß, Julia Maria (Verfasser); Wiegand, Michael (Herausgeber); Remus, Robert (Herausgeber); Gindl, Stefan (Herausgeber)
    Sprache: Englisch
    Medientyp: Buch (Monographie)
    Format: Online
    Weitere Identifier:
    DDC Klassifikation: Germanische Sprachen; Deutsch (430)
    Schlagworte: Korpus <Linguistik>; Annotation; Parlamentsdebatte; Data Mining; Politische Sprache; Automatische Sprachanalyse
    Weitere Schlagworte: selection of textual sources; annotation guidelines; gold standard corpus
    Umfang: Online-Ressource
    Bemerkung(en):

    In: Journal for Language Technology and Computational Linguistics . 29, 2014., 1., S. 33-46
  4. Extending effect annotation with lexical decomposition
    Autor*in: Ruppenhofer, Josef
    Erschienen: 2016
    Verlag:  Institut für Deutsche Sprache, Bibliothek, Mannheim

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    Quelle: Verbundkataloge
    Beteiligt: Brandes, Jasper (Verfasser)
    Sprache: Englisch
    Medientyp: Buch (Monographie)
    Format: Online
    Weitere Identifier:
    DDC Klassifikation: Germanische Sprachen; Deutsch (430)
    Schlagworte: Deutsch; Automatische Textanalyse; Propositionale Einstellung
    Weitere Schlagworte: opinion inference; Annotation; German data
    Umfang: Online-Ressource
    Bemerkung(en):

    In: Proceedings of the 6th Workshop in Computational Approaches to Subjectivity and Sentiment Analysis. Lisbon, Portugal . - New York : The Association for Computational Linguistics, 2015., S. 67-76, ISBN 9781510811898
  5. IGGSA-STEPS: Shared Task on Source and Target Extraction from Political Speeches
    Autor*in: Ruppenhofer, Josef ; Struß, Julia Maria
    Erschienen: 2016
    Verlag:  Gesellschaft für Sprachtechnologie und Computerlinguistik : Regensburg

    Accurate opinion mining requires the exact identification of the source and target of an opinion. To evaluate diverse tools, the research community relies on the existence of a gold standard corpus covering this need. Since such a corpus is currently... mehr

     

    Accurate opinion mining requires the exact identification of the source and target of an opinion. To evaluate diverse tools, the research community relies on the existence of a gold standard corpus covering this need. Since such a corpus is currently not available for German, the Interest Group on German Sentiment Analysis decided to create such a resource and make it available to the research community in the context of a shared task. In this paper, we describe the selection of textual sources, development of annotation guidelines, and first evaluation results in the creation of a gold standard corpus for the German language.

     
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    Quelle: BASE Fachausschnitt Germanistik
    Sprache: Englisch
    Medientyp: Aufsatz aus einer Zeitschrift
    Format: Online
    DDC Klassifikation: Linguistik (410)
    Schlagworte: Korpus; Annotation; Parlamentsdebatte; Data Mining; Politische Sprache; Automatische Sprachanalyse
    Lizenz:

    creativecommons.org/licenses/by-nc-sa/3.0/de ; info:eu-repo/semantics/openAccess
  6. Is it worth the effort? Assessing the benefits of partial automatic pre-labeling for frame-semantic annotation
    Autor*in: Rehbein, Ines ; Ruppenhofer, Josef ; Sporleder, Caroline
    Erschienen: 2016
    Verlag:  Heidelberg/New York : Springer

    Corpora with high-quality linguistic annotations are an essential component in many NLP applications and a valuable resource for linguistic research. For obtaining these annotations, a large amount of manual effort is needed, making the creation of... mehr

     

    Corpora with high-quality linguistic annotations are an essential component in many NLP applications and a valuable resource for linguistic research. For obtaining these annotations, a large amount of manual effort is needed, making the creation of these resources time-consuming and costly. One attempt to speed up the annotation process is to use supervised machine-learning systems to automatically assign (possibly erroneous) labels to the data and ask human annotators to correct them where necessary. However, it is not clear to what extent these automatic pre-annotations are successful in reducing human annotation effort, and what impact they have on the quality of the resulting resource. In this article, we present the results of an experiment in which we assess the usefulness of partial semi-automatic annotation for frame labeling. We investigate the impact of automatic pre-annotation of differing quality on annotation time, consistency and accuracy. While we found no conclusive evidence that it can speed up human annotation, we found that automatic pre-annotation does increase its overall quality.

     
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    Quelle: BASE Fachausschnitt Germanistik
    Sprache: Englisch
    Medientyp: Aufsatz aus einer Zeitschrift
    Format: Online
    DDC Klassifikation: Linguistik (410)
    Lizenz:

    rightsstatements.org/page/InC/1.0/ ; info:eu-repo/semantics/openAccess
  7. A constructional account of genre-based argument omissions
    Autor*in: Ruppenhofer, Josef ; Michaelis, Laura A.
    Erschienen: 2016
    Verlag:  John Benjamins Publishing Company

    Authors like Fillmore 1986 and Goldberg 2006 have made a strong case for regarding argument omission in English as a lexical and construction-based affordance rather than one based on general semantico-pragmatic constraints. They do not, however,... mehr

     

    Authors like Fillmore 1986 and Goldberg 2006 have made a strong case for regarding argument omission in English as a lexical and construction-based affordance rather than one based on general semantico-pragmatic constraints. They do not, however, address the question of how grammatical restrictions on null complementation might interact with broader narrative conventions, in particular those of genre. In this paper, we attempt to remedy this oversight by presenting a comprehensive overview of genre-based argument omissions and offering a construction-based analysis of genre-based omission conventions. We consider five genre-based omission types: instructional imperatives (Culy 1996, Bender 1999), labelese, diary style (Haegeman 1990), match reports (Ruppenhofer 2004) and quotative clauses. We show that these omission types share important traits; all, for example, have anaphoric rather than indefinite construals. We also show, however, that the omission types differ from each other in idiosyncratic ways. We then address several interrelated representational problems posed by the grammatical treatment of genre-based omissions. For example, the constructions that represent genre-based omission conventions must interact with the lexical entries of verbs, many of which do not generally permit omitted arguments. Accordingly, we offer constructional analyses of genre-based omissions that allow constructions to override lexical valence constraints.

     
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    Quelle: BASE Fachausschnitt Germanistik
    Sprache: Englisch
    Medientyp: Aufsatz aus einer Zeitschrift
    Format: Online
    DDC Klassifikation: Linguistik (410)
    Schlagworte: Argumentstruktur; Automatische Sprachanalyse; Konstruktionsgrammatik
    Lizenz:

    rightsstatements.org/page/InC/1.0/ ; info:eu-repo/semantics/openAccess
  8. Framenet in Action: The Case of Attaching
    Autor*in: Fillmore, Charles J. ; Schwarzer-Petruck, Myriam ; Ruppenhofer, Josef ; Wright, Abby
    Erschienen: 2016
    Verlag:  Oxford : Oxford University Press

  9. Shouting and screaming: manner and noise verbs in communication
    Autor*in: Urban, Margaret Urban ; Ruppenhofer, Josef
    Erschienen: 2016
    Verlag:  Oxford : Oxford University Press

    When a noise verb is used to indicate verbal communication, factors from both the source domain of the verb (perception) and the target domain (communication) play a role in determining the argument structure of the sentence. While the target domain... mehr

     

    When a noise verb is used to indicate verbal communication, factors from both the source domain of the verb (perception) and the target domain (communication) play a role in determining the argument structure of the sentence. While the target domain supplies a syntactic structure, the source domain’s semantics constrain the degree to which that syntactic structure can be exploited. This can be determined by comparing noise verbs in this use with manner-of-communication verbs, which are superficially similar, but native to communication. Data for these two classes of verbs were drawn from the British National Corpus. The data were annotated with frame-semantic markup, as described in the Berkeley FrameNet Project. We compared the presence, type of syntactic realization, and position of the semantically annotated arguments for both classes of verbs. We found that noise and manner verbs show statistically significant differences in these three areas. For instance, noise verbs are more focused on the form of the message than manner verbs: noise verbs appear more frequently with a quoted message. In addition, there are differences other than the complementation patterns: certain noise verbs are biased with respect to speakers’ genders, message types, and even orthography in quoted messages

     
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    Quelle: BASE Fachausschnitt Germanistik
    Sprache: Englisch
    Medientyp: Aufsatz aus einer Zeitschrift
    Format: Online
    DDC Klassifikation: Linguistik (410)
    Schlagworte: Englisch; Semasiologie; Sprachstatistik
    Lizenz:

    rightsstatements.org/page/InC/1.0/ ; info:eu-repo/semantics/openAccess
  10. Valence Creation and the German Applicative: the Inherent Semantics of Linking Patterns
    Autor*in: Michaelis, Laura A. ; Ruppenhofer, Josef
    Erschienen: 2016
    Verlag:  Oxford : Oxford University Press

    We provide a unified account of semantic effects observable in attested examples of the German applicative (‘be-’) construction, e.g. Rollstuhlfahrer Poul Sehachsen aus Kopenhagen will den 1997 erschienenen Wegweiser Handiguide Europa fortführen und... mehr

     

    We provide a unified account of semantic effects observable in attested examples of the German applicative (‘be-’) construction, e.g. Rollstuhlfahrer Poul Sehachsen aus Kopenhagen will den 1997 erschienenen Wegweiser Handiguide Europa fortführen und zusammen mit Movado Berlin berollen (‘Wheelchair user Poul Schacksen from Copenhagen wants to continue the guide ‘Handiguide Europe’, which came out in 1997, and roll Berlin together with Movado.’). We argue that these effects do not come from lexico-semantic operations on ‘input’ verbs, but are instead the products of a reconciliation procedure in which the meaning of the verb is integrated into the event-structure schema denoted by the applicative construction. We analyze the applicative pattern as an argument-structure construction, in terms of Goldberg (1995). We contrast this approach with that of Brinkmann (1997), in which properties associated with the applicative pattern (e.g. omissibility of the theme argument, holistic interpretation of the goal argument, and planar construal of the location argument) are attributed to general semantico-pragmatic principles. We undermine the generality of the principles as stated, and assert that these properties are instead construction-particular. We further argue that the constructional account provides an elegant model of the valence-creation and valence-augmentation functions of the prefix. We describe the constructional semantics as prototype-based: diverse implications of fee-predications, including iteration, transfer, affectedness, intensity and saturation, derive via regular patterns of semantic extension from the topological concept of coverage.

     
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    Quelle: BASE Fachausschnitt Germanistik
    Sprache: Englisch
    Medientyp: Aufsatz aus einer Zeitschrift
    Format: Online
    DDC Klassifikation: Linguistik (410)
    Schlagworte: Deutsch; Semasiologie; Formale Semantik; Kompositinalität; Verb; Valenz
    Lizenz:

    rightsstatements.org/page/InC/1.0/ ; info:eu-repo/semantics/openAccess
  11. Grammatische Konstruktionen und semantische Frames für die Textanalyse
    Autor*in: Ziem, Alexander ; Boas, Hans Christian ; Ruppenhofer, Josef
    Erschienen: 2016
    Verlag:  Tübingen : Stauffenburg

  12. Comparing methods for deriving intensity scores for adjectives
    Autor*in: Ruppenhofer, Josef ; Wiegand, Michael ; Brandes, Jasper
    Erschienen: 2016
    Verlag:  Sweden : EACL

    We compare several different corpus- based and lexicon-based methods for the scalar ordering of adjectives. Among them, we examine for the first time a low- resource approach based on distinctive- collexeme analysis that just requires a small... mehr

     

    We compare several different corpus- based and lexicon-based methods for the scalar ordering of adjectives. Among them, we examine for the first time a low- resource approach based on distinctive- collexeme analysis that just requires a small predefined set of adverbial modifiers. While previous work on adjective intensity mostly assumes one single scale for all adjectives, we group adjectives into different scales which is more faithful to human perception. We also apply the methods to both polar and non-polar adjectives, showing that not all methods are equally suitable for both types of adjectives.

     
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    Quelle: BASE Fachausschnitt Germanistik
    Sprache: Englisch
    Medientyp: Konferenzveröffentlichung
    Format: Online
    DDC Klassifikation: Datenverarbeitung; Informatik (004)
    Schlagworte: Adjektiv; Korpus; Lexikostatistik; Forschungsmethode
    Lizenz:

    rightsstatements.org/page/InC/1.0/ ; info:eu-repo/semantics/openAccess
  13. Extending effect annotation with lexical decomposition
    Autor*in: Ruppenhofer, Josef ; Brandes, Jasper
    Erschienen: 2016
    Verlag:  New York : The Association for Computational Linguistics

    In this contribution, we report on an effort to annotate German data with information relevant to opinion inference. Such information has previously been referred to as effect or couched in terms of eventevaluation functors. We extend the theory and... mehr

     

    In this contribution, we report on an effort to annotate German data with information relevant to opinion inference. Such information has previously been referred to as effect or couched in terms of eventevaluation functors. We extend the theory and present an extensive scheme that combines both approaches and thus extends the set of inference-relevant predicates. Using these guidelines to annotate 726 German synsets, we achieve good inter-annotator agreement.

     
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    Quelle: BASE Fachausschnitt Germanistik
    Sprache: Englisch
    Medientyp: Konferenzveröffentlichung
    Format: Online
    DDC Klassifikation: Linguistik (410)
    Schlagworte: Deutsch; Automatische Textanalyse; Propositionale Einstellung
    Lizenz:

    rightsstatements.org/page/InC/1.0/ ; info:eu-repo/semantics/openAccess
  14. Opinion Holder and Target Extraction for Verb-based Opinion Predicates – The Problem is Not Solved
    Autor*in: Wiegand, Michael ; Schulder, Marc ; Ruppenhofer, Josef
    Erschienen: 2016
    Verlag:  New York : The Association for Computational Linguistics

    We offer a critical review of the current state of opinion role extraction involving opinion verbs. We argue that neither the currently available lexical resources nor the manually annotated text corpora are sufficient to appropriately study this... mehr

     

    We offer a critical review of the current state of opinion role extraction involving opinion verbs. We argue that neither the currently available lexical resources nor the manually annotated text corpora are sufficient to appropriately study this task. We introduce a new corpus focusing on opinion roles of opinion verbs from the Subjectivity Lexicon and show potential benefits of this corpus. We also demonstrate that state-of-the-art classifiers perform rather poorly on this new dataset compared to the standard dataset for the task showing that there still remains significant research to be done.

     
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    Quelle: BASE Fachausschnitt Germanistik
    Sprache: Englisch
    Medientyp: Konferenzveröffentlichung
    Format: Online
    DDC Klassifikation: Linguistik (410)
    Schlagworte: Propositionale Einstellung; Automatische Sprachanalyse; Korpus; Verb
    Lizenz:

    creativecommons.org/licenses/by-nc-nd/3.0/de/deed.de ; info:eu-repo/semantics/openAccess
  15. The Interaction of Valence and Information Structure
    Autor*in: Ruppenhofer, Josef
    Erschienen: 2016

    This dissertation investigates discourse-pragmatic differences between variably linked arguments appearing in alternating argument structure constructions in the sense of Goldberg (1995) and Kay (manuscript). The properties that are studied include... mehr

     

    This dissertation investigates discourse-pragmatic differences between variably linked arguments appearing in alternating argument structure constructions in the sense of Goldberg (1995) and Kay (manuscript). The properties that are studied include givenness, pragmatic relation (topic/focus), salience of referents, animacy, and others. They derive from the literature on sentence-type constructions such as topicalization and from research on the referential properties of NP form types. The research carried out here has multiple uses. At the most basic level, it serves as an empirical check on existing characterizations of the pragmatic properties of the relevant arguments that are the result of syntactic and semantic analysis based on introspection alone. For instance, for the epistemic raising alternation involving verbs like seem, the predicted topicality difference between the subjects of the raised and unraised constructions (Langacker 1995) could not be confirmed. This dissertation also addresses the question what kinds of pragmatic factors, if any, are relevant to argument structure constructions. Based on the evidence of the dative alternation, it does not seem to be the case that the kind of pragmatic influences on argument structure constructions are different or limited compared to the ones found to be relevant to sentence-type constructions. The kind of research undertaken here can also inform the syntactic and semantic analysis of constructions. In the case of the dative alternation, the discourse-pragmatic characteristics of the variably linked arguments provide evidence that Basilico’s (1998) analysis of the difference between the alternates in terms of VP-shells and a difference between thetic and categorical ‘inner’ predication, on the one hand does not account for all the data and on the other can be re-stated in pragmatic terms other than the thetic-categorical distinction. In addition to studies of valence alternations, this dissertation also discusses various null instantiation phenomena, ...

     
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    Quelle: BASE Fachausschnitt Germanistik
    Sprache: Englisch
    Medientyp: Dissertation
    Format: Online
    DDC Klassifikation: Linguistik (410)
    Schlagworte: Argumentstruktur; Semantische Analyse; Automatische Sprachanalyse; Korpus; Sprachstatistik
    Lizenz:

    rightsstatements.org/page/InC/1.0/ ; info:eu-repo/semantics/openAccess
  16. Discourse Level Opinion Relations: An Annotation Study
    Autor*in: Somasundaran, Swapna ; Ruppenhofer, Josef ; Wiebe, Janyce
    Erschienen: 2016
    Verlag:  Pittsburgh : University of Pittsburgh

    This work proposes opinion frames as a representation of discourse-level associations that arise from related opinion targets and which are common in task-oriented meeting dialogs. We define the opinion frames and explain their interpretation.... mehr

     

    This work proposes opinion frames as a representation of discourse-level associations that arise from related opinion targets and which are common in task-oriented meeting dialogs. We define the opinion frames and explain their interpretation. Additionally we present an annotation scheme that realizes the opinion frames and via human annotation studies, we show that these can be reliably identified.

     
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    Quelle: BASE Fachausschnitt Germanistik
    Sprache: Englisch
    Medientyp: Konferenzveröffentlichung
    Format: Online
    DDC Klassifikation: Linguistik (410)
    Schlagworte: Automatische Textanalyse; Propositionale Einstellung; Annotation
    Lizenz:

    rightsstatements.org/page/InC/1.0/ ; info:eu-repo/semantics/openAccess
  17. Discourse Level Opinion Interpretation
    Autor*in: Somasundaran, Swapna ; Wiebe, Janyce ; Ruppenhofer, Josef
    Erschienen: 2016

    This work proposes opinion frames as a representation of discourse-level associations which arise from related opinion topics. We illustrate how opinion frames help gather more information and also assist disambiguation. Finally we present the... mehr

     

    This work proposes opinion frames as a representation of discourse-level associations which arise from related opinion topics. We illustrate how opinion frames help gather more information and also assist disambiguation. Finally we present the results of our experiments to detect these associations.

     
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    Quelle: BASE Fachausschnitt Germanistik
    Sprache: Englisch
    Medientyp: Konferenzveröffentlichung
    Format: Online
    DDC Klassifikation: Linguistik (410)
    Schlagworte: Automatische Sprachanalyse; Textanalyse; Öffentliche Meinung
    Lizenz:

    creativecommons.org/licenses/by-nc-sa/3.0/ ; info:eu-repo/semantics/openAccess
  18. Ordering adverbs by their scaling effect on adjective intensity
    Autor*in: Ruppenhofer, Josef ; Brandes, Jasper ; Steiner, Petra ; Wiegand, Michael
    Erschienen: 2016
    Verlag:  Shoumen : INCOMA Ltd.

    In recent years, theoretical and computational linguistics has paid much attention to linguistic items that form scales. In NLP, much research has focused on ordering adjectives by intensity (tiny < small). Here, we address the task of automatically... mehr

     

    In recent years, theoretical and computational linguistics has paid much attention to linguistic items that form scales. In NLP, much research has focused on ordering adjectives by intensity (tiny < small). Here, we address the task of automatically ordering English adverbs by their intensifying or diminishing effect on adjectives (e.g. extremely small < very small). We experiment with 4 different methods: 1) using the association strength between adverbs and adjectives; 2) exploiting scalar patterns (such as not only X but Y); 3) using the metadata of product reviews; 4) clustering. The method that performs best is based on the use of metadata and ranks adverbs by their scaling factor relative to unmodified adjectives.

     
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    Quelle: BASE Fachausschnitt Germanistik
    Sprache: Englisch
    Medientyp: Konferenzveröffentlichung
    Format: Online
    DDC Klassifikation: Linguistik (410)
    Schlagworte: Englisch; Adverb; Automatische Sprachanalyse; Diminutiv; Intensivierung
    Lizenz:

    rightsstatements.org/page/InC/1.0/ ; info:eu-repo/semantics/openAccess
  19. Scales and Scores. An evaluation of methods to determine the intensity of subjective expressions
    Autor*in: Ruppenhofer, Josef ; Brandes, Jasper ; Steiner, Petra
    Erschienen: 2016
    Verlag:  Hildesheim : Universitätsverlag Hildesheim

    In this contribution, we present a survey of several methods that have been applied to the ordering of various types of subjective expressions (e.g. good < great), in particular adjectives and adverbs. Some of these methods use linguistic... mehr

     

    In this contribution, we present a survey of several methods that have been applied to the ordering of various types of subjective expressions (e.g. good < great), in particular adjectives and adverbs. Some of these methods use linguistic regularities that can be observed in large text corpora while others rely on external grounding in metadata, in particular the star ratings associated with product reviews. We discuss why these methods do not work uniformly across all types of expressions. We also present the first application of some of these methods to the intensity ordering of nouns (e.g. moron < dummy).

     
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    Quelle: BASE Fachausschnitt Germanistik
    Sprache: Englisch
    Medientyp: Konferenzveröffentlichung
    Format: Online
    DDC Klassifikation: Linguistik (410)
    Schlagworte: Semantische Analyse; Automatische Worterkennung; Gefühlsausdruck; Adjektiv; Adverb
    Lizenz:

    creativecommons.org/licenses/by-nc-nd/3.0/de/deed.de ; info:eu-repo/semantics/openAccess
  20. Opinion Holder and Target Extraction based on the Induction of Verbal Categories
    Autor*in: Wiegand, Michael ; Ruppenhofer, Josef
    Erschienen: 2016
    Verlag:  Association for Computational Linguistics

    We present an approach for opinion role induction for verbal predicates. Our model rests on the assumption that opinion verbs can be divided into three different types where each type is associated with a characteristic mapping between semantic roles... mehr

     

    We present an approach for opinion role induction for verbal predicates. Our model rests on the assumption that opinion verbs can be divided into three different types where each type is associated with a characteristic mapping between semantic roles and opinion holders and targets. In several experiments, we demonstrate the relevance of those three categories for the task. We show that verbs can easily be categorized with semi-supervised graphbased clustering and some appropriate similarity metric. The seeds are obtained through linguistic diagnostics. We evaluate our approach against a new manually-compiled opinion role lexicon and perform in-context classification.

     
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    Quelle: BASE Fachausschnitt Germanistik
    Sprache: Englisch
    Medientyp: Konferenzveröffentlichung
    Format: Online
    DDC Klassifikation: Linguistik (410)
    Schlagworte: Automatische Sprachanalyse; Propositionale Einstellung; Meinungsverb
    Lizenz:

    creativecommons.org/licenses/by-nc-nd/3.0/de/deed.de ; info:eu-repo/semantics/openAccess
  21. Dimensions of Methaphorical Meaning
    Autor*in: Gargett, Andrew ; Ruppenhofer, Josef ; Barnden, John
    Erschienen: 2016

    Recent work suggests that concreteness and imageability play an important role in the meanings of figurative expressions. We investigate this idea in several ways. First, we try to define more precisely the context within which a figurative... mehr

     

    Recent work suggests that concreteness and imageability play an important role in the meanings of figurative expressions. We investigate this idea in several ways. First, we try to define more precisely the context within which a figurative expression may occur, by parsing a corpus annotated for metaphor. Next, we add both concreteness and imageability as “features” to the parsed metaphor corpus, by marking up words in this corpus using a psycholinguistic database of scores for concreteness and imageability. Finally, we carry out detailed statistical analyses of the augmented version of the original metaphor corpus, cross-matching the features of concreteness and imageability with others in the corpus such as parts of speech and dependency relations, in order to investigate in detail the use of such features in predicting whether a given expression is metaphorical or not.

     
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    Quelle: BASE Fachausschnitt Germanistik
    Sprache: Englisch
    Medientyp: Konferenzveröffentlichung
    Format: Online
    DDC Klassifikation: Linguistik (410)
    Schlagworte: Metapher; Korpus; Automatische Sprachanalyse
    Lizenz:

    creativecommons.org/licenses/by-nc-nd/3.0/de/deed.de ; info:eu-repo/semantics/openAccess
  22. Growing trees from morphs: Towards data-driven morphological parsing
    Autor*in: Steiner, Petra ; Ruppenhofer, Josef
    Erschienen: 2016
    Verlag:  Gesellschaft für Sprachtechnologie and Computerlinguistik

    We present a quantitative approach to disambiguating flat morphological analyses and producing more deeply structured analyses. Based on existing morphological segmentations, possible combinations of resulting word trees for the next level are... mehr

     

    We present a quantitative approach to disambiguating flat morphological analyses and producing more deeply structured analyses. Based on existing morphological segmentations, possible combinations of resulting word trees for the next level are filtered first by criteria of linguistic plausibility and then by weighting procedures based on the geometric mean. The frequencies for weighting are derived from three different sources (counts of morphs in a lexicon, counts of largest constituents in a lexicon, counts of token frequencies in a corpus) and can be used either to find the best analysis on the level of morphs or on the next higher constituent level. The evaluation shows that for this task corpus-based frequency counts are slightly superior to counts of lexical data.

     
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    Quelle: BASE Fachausschnitt Germanistik
    Sprache: Englisch
    Medientyp: Konferenzveröffentlichung
    Format: Online
    DDC Klassifikation: Linguistik (410)
    Schlagworte: Morphemanalyse; Segmentierung; Worthäufigkeit; Computerlinguistik; Deutsch
    Lizenz:

    rightsstatements.org/page/InC/1.0/ ; info:eu-repo/semantics/openAccess
  23. Predicative Adjectives: An Unsupervised Criterion to Extract Subjective Adjectives
    Autor*in: Wiegand, Michael ; Ruppenhofer, Josef ; Klakow, Dietrich
    Erschienen: 2016
    Verlag:  Atlanta : Association for Computational Linguistics

    We examine predicative adjectives as an unsupervised criterion to extract subjective adjectives. We do not only compare this criterion with a weakly supervised extraction method but also with gradable adjectives, i.e. another highly subjective subset... mehr

     

    We examine predicative adjectives as an unsupervised criterion to extract subjective adjectives. We do not only compare this criterion with a weakly supervised extraction method but also with gradable adjectives, i.e. another highly subjective subset of adjectives that can be extracted in an unsupervised fashion. In order to prove the robustness of this extraction method, we will evaluate the extraction with the help of two different state-of-the-art sentiment lexicons (as a gold standard).

     
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    Quelle: BASE Fachausschnitt Germanistik
    Sprache: Englisch
    Medientyp: Konferenzveröffentlichung
    Format: Online
    DDC Klassifikation: Linguistik (410)
    Schlagworte: Prädikatives Adjektiv; Semantische Analyse; Automatische Sprachanalyse
    Lizenz:

    rightsstatements.org/page/InC/1.0/ ; info:eu-repo/semantics/openAccess
  24. MLSA – A Multi-layered Reference Corpus for German Sentiment Analysis
    Autor*in: Clematide, Simon ; Grindl, Stefan ; Klenner, Manfred ; Petrakis, Stefanos ; Remus, Robert ; Ruppenhofer, Josef ; Waltinger, Ulli ; Wiegand, Michael
    Erschienen: 2016
    Verlag:  European Language Resources Association

    In this paper, we describe MLSA, a publicly available multi-layered reference corpus for German-language sentiment analysis. The construction of the corpus is based on the manual annotation of 270 German-language sentences considering three different... mehr

     

    In this paper, we describe MLSA, a publicly available multi-layered reference corpus for German-language sentiment analysis. The construction of the corpus is based on the manual annotation of 270 German-language sentences considering three different layers of granularity. The sentence-layer annotation, as the most coarse-grained annotation, focuses on aspects of objectivity, subjectivity and the overall polarity of the respective sentences. Layer 2 is concerned with polarity on the word- and phrase-level, annotating both subjective and factual language. The annotations on Layer 3 focus on the expression-level, denoting frames of private states such as objective and direct speech events. These three layers and their respective annotations are intended to be fully independent of each other. At the same time, exploring for and discovering interactions that may exist between different layers should also be possible. The reliability of the respective annotations was assessed using the average pairwise agreement and Fleiss’ multi-rater measures. We believe that MLSA is a beneficial resource for sentiment analysis research, algorithms and applications that focus on the German language.

     
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    Quelle: BASE Fachausschnitt Germanistik
    Sprache: Englisch
    Medientyp: Konferenzveröffentlichung
    Format: Online
    DDC Klassifikation: Linguistik (410)
    Schlagworte: Deutsch; Korpus
    Lizenz:

    rightsstatements.org/page/InC/1.0/ ; info:eu-repo/semantics/openAccess
  25. Towards Weakly Supervised Resolution of Null Instantiations
    Autor*in: Gorinski, Philip ; Ruppenhofer, Josef ; Sporleder, Caroline
    Erschienen: 2016
    Verlag:  Potsdam : Association for Computational Linguistics

    This paper addresses the task of finding antecedents for locally uninstantiated arguments. To resolve such null instantiations, we develop a weakly supervised approach that investigates and combines a number of linguistically motivated strategies... mehr

     

    This paper addresses the task of finding antecedents for locally uninstantiated arguments. To resolve such null instantiations, we develop a weakly supervised approach that investigates and combines a number of linguistically motivated strategies that are inspired by work on semantic role labeling and corefence resolution. The performance of the system is competitive with the current state-of-the-art supervised system.

     
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    Quelle: BASE Fachausschnitt Germanistik
    Sprache: Englisch
    Medientyp: Konferenzveröffentlichung
    Format: Online
    DDC Klassifikation: Linguistik (410)
    Schlagworte: Thematische Rolle; Computerlinguistik; Argument; Automatische Sprachanalyse
    Lizenz:

    creativecommons.org/licenses/by-nc-nd/3.0/de/deed.de ; info:eu-repo/semantics/openAccess