Modelling solution step discussions in tutorial dialogue:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Saarbrücken
German Research Center for Artifical Intelligence
2011
Saarbrücken Saarland Univ., Department of Computational Linguistics and Phonetics |
| Schriftenreihe: | Saarbrücken dissertations in computational linguistics and language technology
34 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XVIII, 182 S. graph. Darst. |
| ISBN: | 9783933218339 |
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Datensatz im Suchindex
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|---|---|
| adam_text | Titel: Modelling solution step discussions in tutorial dialogue
Autor: Buckley, Mark
Jahr: 2011
Contents
Abstract v
Zusammenfassung vii
1 Introduction 1
1.1 A model for solution step discussions................. 3
1.2 Methodology................................ 5
1.3 The contributions of this thesis..................... 6
1.4 Thesis structure............................... 7
2 Dialogue modelling for effective ITSs 9
2.1 Issues and approaches in dialogue modelling............ 10
2.1.1 Dialogue modelling....................... 10
2.1.2 Maintenance of belief in dialogue.............. 12
2.1.3 Embedding a dialogue model in a dialogue manager .. 14
2.2 Dialogue-based one-on-one tutoring.................. 16
2.2.1 Dialogue frames in tutoring.................. 19
2.2.2 Belief and knowledge states in tutorial dialogue..... 20
2.3 Tutorial dialogue systems......................... 22
2.3.1 Teaching mathematics ..................... 23
2.3.2 Implemented ITSs........................ 24
2.3.3 The DIALOG project...................... 27
2.4 Summary................................... 31
3 Dialogue phenomena 33
3.1 Corpus collection ............................. 34
3.1.1 Experimental setup....................... 34
3.1.2 Study material .......................... 35
3.1.3 The resulting corpus ...................... 36
3.2 Characterisation of the data....................... 38
3.2.1 Mathematical aspects...................... 39
3.2.2 Categorisation of students actions............. 40
Contents
3.2.3 Categorisation of tutors actions............... 43
3.2.4 Informationally redundant utterances........... 46
3.3 Occurrence of dialogue frames..................... 47
3.4 Comparison with other corpus analyses of tutorial dialogue . . 50
3.5 Summary and discussion......................... 52
4 A model of solution step discussions 53
4.1 Dialogue frames as grounding exchanges............... 54
4.1.1 Modelling grounding...................... 54
4.1.2 Dialogue frames are a kind of grounding ......... 57
4.2 Elements of the model .......................... 58
4.2.1 Contributing modules and assumed capabilities..... 59
4.2.2 Concepts from the data..................... 61
4.2.3 Dialogue state........................... 66
4.2.4 Finite-state model of subdialogue structure........ 69
4.3 Examples................................... 73
4.3.1 Using the common ground: Detecting misalignment . 74
4.4 Summary and discussion......................... 77
5 Corpus annotation at three levels 79
5.1 Annotation levels.............................. 80
5.1.1 Task-level grounding actions ................. 80
5.1.2 Dialogue moves.......................... 84
5.1.3 Mathematical content...................... 92
5.2 Summary and discussion......................... 96
6 Predicting the tutor s task-level grounding actions 99
6.1 Machine learning and dialogue systems research.......... 100
6.2 Hypotheses to be investigated...................... 103
6.3 Preparation of the data set........................ 104
6.3.1 Features from the utterance annotation.......... 104
6.3.2 From utterances to instances................. 106
6.4 Experiments................................. 108
6.4.1 Methodology........................... 108
6.4.2 Choice of learning algorithms................ 110
6.4.3 Combating class skew (1): Downsampling........ Ill
6.4.4 Combating class skew (2): Splitting the classifier .... 114
6.4.5 The influence of global features ............... 118
6.4.6 Automatic attribute selection................. 120
6.4.7 Misclassification analysis.................... 122
6.5 Summary and discussion......................... 126
Contents
7 Evaluation of the model 129
7.1 Evaluation with human expert ratings................ 130
7.2 Experimental design............................ 134
7.2.1 The rating task.......................... 134
7.2.2 Materials.............................. 135
7.2.3 Experimental procedure.................... 139
7.3 Results..................................... 141
7.4 Summary and discussion......................... 145
8 Summary and outlook 149
A Mathematical rule groupings 153
B Participant background questionnaire 155
C Introductory text 157
Bibliography 159
Xlll
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| spelling | Buckley, Mark 1981- Verfasser (DE-588)12987079X aut Modelling solution step discussions in tutorial dialogue Mark Buckley Saarbrücken German Research Center for Artifical Intelligence 2011 Saarbrücken Saarland Univ., Department of Computational Linguistics and Phonetics XVIII, 182 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier Saarbrücken dissertations in computational linguistics and language technology 34 Zugl.: Saarbrücken, Univ., Diss., 2010 Konversationsanalyse (DE-588)4114283-4 gnd rswk-swf Intelligentes Tutorsystem (DE-588)4201713-0 gnd rswk-swf Dialog (DE-588)4012061-2 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Intelligentes Tutorsystem (DE-588)4201713-0 s Dialog (DE-588)4012061-2 s Konversationsanalyse (DE-588)4114283-4 s DE-604 Saarbrücken dissertations in computational linguistics and language technology 34 (DE-604)BV013075694 34 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024641659&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Buckley, Mark 1981- Modelling solution step discussions in tutorial dialogue Saarbrücken dissertations in computational linguistics and language technology Konversationsanalyse (DE-588)4114283-4 gnd Intelligentes Tutorsystem (DE-588)4201713-0 gnd Dialog (DE-588)4012061-2 gnd |
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| title | Modelling solution step discussions in tutorial dialogue |
| title_auth | Modelling solution step discussions in tutorial dialogue |
| title_exact_search | Modelling solution step discussions in tutorial dialogue |
| title_full | Modelling solution step discussions in tutorial dialogue Mark Buckley |
| title_fullStr | Modelling solution step discussions in tutorial dialogue Mark Buckley |
| title_full_unstemmed | Modelling solution step discussions in tutorial dialogue Mark Buckley |
| title_short | Modelling solution step discussions in tutorial dialogue |
| title_sort | modelling solution step discussions in tutorial dialogue |
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| topic_facet | Konversationsanalyse Intelligentes Tutorsystem Dialog Hochschulschrift |
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