Diane Litman

Minimal Feedback during Tutorial Dialogue ⋆ (2009)

Pamela Jordan, Diane Litman

Abstract. We analyzed unexpected student responses to a natural language (NL) ITS to determine if improved feedback could be beneficial. Our analysis of a corpus of ITS-student dialogues suggests...

Content-Learning Correlations in Spoken Tutoring Dialogs at Word, Turn and Discourse Levels (2009)

Amruta Pur, Diane Litman

We study correlations between dialog content and learning in a corpus of human-computer tutoring dialogs. Using an online encyclopedia, we first extract domainspecific concepts discussed in our...

Minimal Feedback during Tutorial Dialogue ⋆ (2009)

Pamela Jordan, Diane Litman

Abstract. We analyzed unexpected student responses to a natural language (NL) ITS to determine if improved feedback could be beneficial. Our analysis of a corpus of ITS-student dialogues suggests...

Comparing Spoken Dialog Corpora Collected with Recruited Subjects versus Real Users (2009)

Hua Ai, Antoine Raux, Dan Bohus, Maxine Eskenazi, Diane Litman

Empirical spoken dialog research often involves the collection and analysis of a dialog corpus. However, it is not well understood whether and how a corpus of dialogs collected using recruited...

2008a. Responding to student uncertainty during computer tutoring: A preliminary evaluation (2009)

Kate Forbes-riley, Diane Litman, Mihai Rotaru

Abstract. This paper evaluates dialogue-based student performance in a controlled experiment using versions of a tutoring system with and without automatic adaptation to the student affective state...

Semantic Cohesion and Learning (2009)

Arthur Ward, Diane Litman

Abstract. A previously reported measure of dialog cohesion was extended to measure cohesion by counting semantic similarity (the repetition of meaning) as well as lexical reiteration (the repetition...

Comparing Spoken Dialog Corpora Collected with Recruited Subjects versus Real Users (2008)

Hua Ai, Antoine Raux, Dan Bohus, Maxine Eskenazi, Diane Litman

Empirical spoken dialog research often involves the collection and analysis of a dialog corpus. However, it is not well understood whether and how a corpus of dialogs collected using recruited...

Content-Learning Correlations in Spoken Tutoring Dialogs at Word, Turn and Discourse Levels (2008)

Amruta Pur, Diane Litman

We study correlations between dialog content and learning in a corpus of human-computer tutoring dialogs. Using an online encyclopedia, we first extract domainspecific concepts discussed in our...

AAAI 2003 Symposium on New Directions in Question Answering Recognizing and Organizing Opinions Expressed in the World Press (2008)

Janyce Wiebe, Eric Breck, Chris Buckley, Claire Cardie, Paul Davis, Bruce Fraser, ...

Tomorrow’s question answering systems will need to have the ability to process information about beliefs, opinions, and evaluations—the perspective of an agent. Answers to many simple factual

Uncertainty Corpus: Resource to Study User Affect in Complex Spoken Dialogue Systems (2008)

Kate Forbes-riley, Diane Litman, Scott Silliman, Amruta Pur

We present a corpus of spoken dialogues between students and an adaptive Wizard-of-Oz tutoring system, in which student uncertainty was manually annotated in real-time. We detail the corpus contents,...

on Discourse Structure in Natural Language Understanding and Generation, ed. by (2008)

Julia Hirschberg, Diane Litman, Kathy Mccoy, Y Sidner, Pacific Grove

YAROWSKY, DAVID. 1992. Word sense disambiguation using statistical models of Roget’s categories trained on large corpora. In Proceedings of the Fourteenth International Conference on Computational...

Investigating Human Tutor Responses to Student Uncertainty for Adaptive System Development (2008)

Kate Forbes-riley, Diane Litman

Abstract. We use a χ 2 analysis on our spoken dialogue tutoring corpus to investigate dependencies between uncertain student answers and 9 dialogue acts the human tutor uses in his response to these...

Abstract (2008)

Michael Kearns, Diane Litman, Marilyn Walker

Recently, a number of authors have proposed treating dialogue systems as Markov decision processes (MDPs). However, the practical application of MDP algorithms to dialogue systems faces a number of...

D.: Developing pedagogically effective tutorial dialogue tactics: Experiments and a testbed (2008)

Kurt Vanlehn, Pamela Jordan, Diane Litman

Although effective tutorial dialogue strategies are well understood, tutorial tactics that govern brief episodes of tutoring, such as a single step, are not. Because better tactics seem to be crucial...

Manual Annotation of Opinion Categories in Meetings (2008)

Swapna Somasundaran, Janyce Wiebe, Paul Hoffmann, Diane Litman

This paper applies the categories from an opinion annotation scheme developed for monologue text to the genre of multiparty meetings. We describe modifications to the coding guidelines that were...

Chapter 7 Evaluating an Opinion Annotation Scheme Using a New Multi-Perspective Question and Answer Corpus (2008)

Veselin Stoyanov, Claire Cardie, Diane Litman, Janyce Wiebe

In recent work, Wiebe et al. (2003) propose a semantic representation for encoding the opinions and perspectives expressed at any given point in a text. This paper evaluates the opinion annotation...

Chapter # Low-Level Annotations and Summary Representations of Opinions for Multi-Perspective Question Answering (2008)

Claire Cardie, Janyce Wiebe, Theresa Wilson, Diane Litman

Abstract 1 While much recent progress has been made in research on fact-based question answering, our work aims to extend question-answering research in a different direction ─ to handle...

R++: Adding Path-Based Rules to C (2007)

Diane Litman, Peter Patel-schneider, Anil Mishra, James Crawford, Daniel Dvorak

Object-oriented languages and rule-based languages offer two distinct and useful programming abstractions. However, previous attempts to integrate data-driven rules into object-oriented languages...

Evaluating Spoken Language Systems (2007)

Candace Kamm And, Ace Kamm, Marilyn Walker, Diane Litman

Spoken language systems (SLSs) for accessing information sources or services through the telephone network and the Internet are currently being trialed and deployed for a variety of tasks. Evaluating...

Evaluating Spoken Language Systems (2007)

Ace Kamm, Marilyn Walker, Diane Litman

Spoken language systems (SLSs) for accessing information sources or services through the telephone network and the Internet are currently being trialed and deployed for a variety of tasks. Evaluating...

Dialog convergence and learning (2007)

Arthur Ward, Diane Litman

Abstract. In this paper we examine whether the student-to-tutor convergence of lexical and speech features is a useful predictor of learning in a corpus of spoken tutorial dialogs. This possibility...

Measuring convergence and priming in tutorial dialog (2007)

Arthur Ward, Diane Litman

Experimental research has shown that human users will converge with dialog systems along many dimensions of speech, including those of acoustic/prosodic features and lexical choice. Other results...

Predicting Learning in Tutoring with the Landscape Model of Memory (2006)

Ward, Arthur, Litman, Diane

A Landscape Model analysis, adopted from the text processing literature, was run on transcripts of tutoring sessions, and a technique developed to count the occurrence of key physics points in the...

Characterizing and predicting corrections in spoken dialogue systems (2006)

Diane Litman, Marc Swerts, Julia Hirschberg

This article focuses on the analysis and prediction of corrections, defined as turns where a user tries to correct a prior error made by a spoken dialogue system. We describe our labeling procedure...

Comparing synthesized versus pre-recorded tutor speech in an intelligent tutoring spoken dialogue system (2006)

Kate Forbes-riley, Diane Litman, Scott Silliman, Joel Tetreault

We evaluate the impact of tutor voice quality in the context of our intelligent tutoring spoken dialogue system. We first describe two versions of our system which yielded two corpora of...

Comparing real-real, simulated-simulated, and simulated-real spoken dialogue corpora (2006)

Hua Ai, Diane Litman

User simulation is used to generate large corpora for using reinforcement learning to automatically learn the best policy for spoken dialogue systems. Although this approach is becoming increasingly...

Correlating student acoustic-prosodic profiles with student learning in spoken tutoring dialogues (2005)

Kate Forbes-riley, Diane Litman

We examine correlations between student learning and student acoustic-prosodic profiles, which prior research has shown to be predictive of emotional states. We compare these correlations in two...

Speech recognition performance and learning in spoken dialogue tutoring (2005)

Diane Litman, Kate Forbes-riley

Speech recognition errors have been shown to negatively correlate with user satisfaction in evaluations of task-oriented spoken dialogue systems. In the domain of tutorial dialogue systems, however,...

Dialogue-learning correlations in spoken dialogue tutoring (2005)

Kate Forbes-riley, Diane Litman, Alison Huettner, Arthur Ward

Abstract. We examine correlations between dialogue characteristics and learning in two corpora of spoken tutoring dialogues: a human-human corpus and a humancomputer corpus, both of which have been...

Research Statement (2004)

Diane Litman

The goal of my current research is to generate an empirically-based understanding of the ramifications of adding spoken language capabilities and affective computing to text-based dialogue tutors,...

Co-training for Predicting Emotions with Spoken Dialogue Data (2004)

Beatriz Maeireizo And, Beatriz Maeireizo, Diane Litman, Rebecca Hwa

Natural Language Processing applications often require large amounts of annotated training data, which are expensive to obtain.

Towards emotion prediction in spoken tutoring dialogues (2003)

Diane Litman

Human tutors detect and respond to student emotional states, but current machine tutors do not. Our preliminary machine learning experiments involving transcription, emotion annotation and automatic...

A comparison of tutor and student behavior in speech versus text based tutoring (2003)

Carolyn P. Rosé, Diane Litman, Dumisizwe Bhembe, Kate Forbes, Scott Silliman, Ramesh Srivastava, ...

This paper describes preliminary work in exploring the relative effectiveness of speech versus text based tutoring. Most current tutorial dialogue systems are text based (Evens et

Recognizing emotions from student speech in tutoring dialogues (2003)

Diane Litman

We investigate the automatic classification of student emotional states in a corpus of human-human spoken tutoring dialogues. We first annotated student turns in this corpus for negative, neutral and...

A comparison of tutor and student behavior in speech versus text based tutoring (2003)

Carolyn P. Rosé, Diane Litman, Dumisizwe Bhembe, Kate Forbes, Scott Silliman, Ramesh Srivastava, ...

This paper describes preliminary work in exploring the relative effectiveness of speech versus text based tutoring. Most current tutorial dialogue systems are text based (Evens et

Combining Low-Level and Summary Representations of Opinions for Multi-Perspective Question Answering (2003)

Claire Cardie, Janyce Wiebe, Theresa Wilson, Diane Litman

While much recent progress has been made in research on fact-based question answering, our work aims to extend question-answering research in a different direction --- to handle multi-perspective...

Recognizing and organizing opinions expressed in the world press (2003)

Janyce Wiebe, Eric Breck, Chris Buckley, Claire Cardie, Paul Davis, Bruce Fraser, ...

Tomorrow’s question answering systems will need to have the ability to process information about beliefs, opinions, and evaluations—the perspective of an agent. Answers to many simple factual

Combining low-level and summary representations of opinions for multi-perspective question answering (2003)

Claire Cardie, Janyce Wiebe, Theresa Wilson, Diane Litman

While much recent progress has been made in research on fact-based question answering (Voorhees and Dice, 2000; Voorhees, 2001), our work aims to extend question-answering research in a different...

Recognizing and Organizing Opinions (2003)

Expressed In The, Janyce Wiebe, Eric Breck, Chris Buckley, Claire Cardie, Paul Davis, ...

This paper reports on an exploratory project investigating multiple perspectives in question answering (MPQA). The project was conducted as a summer workshop

Optimizing dialogue management with reinforcement learning: Experiments with the njfun system (2002)

Satinder Singh, Diane Litman, Michael Kearns, Marilyn Walker

Designing the dialogue policy of a spoken dialogue system involves many nontrivial choices. This paper presents a reinforcement learning approach for automatically optimizing a dialogue policy, which...

Optimizing dialogue management with reinforcement learning: Experiments with the njfun system (2002)

Satinder Singh, Diane Litman, Michael Kearns, Marilyn Walker

Designing the dialogue policy of a spoken dialogue system involves many nontrivial choices. This paper presents a reinforcement learning approach for automatically optimizing a dialogue policy, which...

Optimizing dialogue management with reinforcement learning: Experiments with the njfun system (2002)

Satinder Singh, Diane Litman, Michael Kearns, Marilyn Walker

Designing the dialogue policy of a spoken dialogue system involves many nontrivial choices. This paper presents a reinforcement learning approach for automatically optimizing a dialogue policy, which...

Predicting user reactions to system error (2001)

Diane Litman, Julia Hirschberg

diane/julia¡ This paper focuses on the analysis and prediction of so-called aware sites, defined as turns where a user of a spoken dialogue system first becomes aware that the system has made a...

Predicting user reactions to system error (2001)

Diane Litman, Julia Hirschberg

diane/julia¡ This paper focuses on the analysis and prediction of so-called aware sites, defined as turns where a user of a spoken dialogue system first becomes aware that the system has made a...

Natural language processing and user modeling: Synergies and limitations. User Modeling and User-Adapted Interaction (2001)

Ingrid Zukerman, Diane Litman

Abstract. The fields of user modeling and natural language processing have been closely linked since the early days of user modeling. Natural language systems consult user models in order to improve...

Natural Language Processing and User Modeling: Synergies and (2001)

Limitations Ingrid Zukerman, Ingrid Zukerman, Diane Litman

The fields of user modeling and natural language processing have been closely linked since the early days of user modeling. Natural language systems consult user models in order to improve their...

NJFun: A reinforcement learning spoken dialogue system (2000)

Diane Litman, Satinder Singh, Michael Kearns, Marilyn Walker

This paper describes NJFun, a real-time spoken dia-logue systemthat-provides users with information about things to d ~ in New Jersey. NJFun auto-matically optimizes its dialogue strategy over time,...

Towards developing general models of usability with (2000)

Marilyn Walker, Ace Kamm, Diane Litman

The design of methods for performmce evaluation is a major open resem'ch issue in the re'ca of spoken lmguage dialogue systems. In this paper we present the PARADISE methodology for...

Learning to predict problematic situations in a spoken dialogue system: Experiments with how may I help you (2000)

Marilyn Walker, Irene Langkilde, Jerry Wright, Alien Gorin, Diane Litman

Current spoken dialogue systems are deficient in their strategies for preventing, identifying and re-pairing problems that arise in the conversation. This paper reports results on learning to...

Generalizing prosodic prediction of speech recognition errors (2000)

Julia Hirschberg, Diane Litman, Marc Swerts

Since users of spoken dialogue systems have difficulty correcting system misconceptions, it is important for automatic speech recognition (ASR) systems to know when their best hypothesis is...

Corrections in spoken dialogue systems (2000)

Marc Swerts, Diane Litman, Julia Hirschberg

This study analyzes user corrections of system errors in the TOOT spoken dialogue system. We find that corrections differ from noncorrections prosodically, in ways consistent with hyperarticulated...

Towards Developing General Models of Usability with PARADISE (2000)

Marilyn Walker, Candace Kamm, Ace Kamm, Diane Litman

The design of methods for performance evaluation is a major open research issue in the area of spoken language dialogue systems. This paper presents the PARADISE methodology for developing predictive...

Learning to Predict Problematic Situations in a Spoken Dialogue System: Experiments with How May I Help You? (2000)

Marilyn Walker, Irene Langkilde, Jerry Wright, Allen Gorin, Diane Litman

Current spoken dialogue systems are deficient in their strategies for preventing, identifying and repairing problems that arise in the conversation. This paper reports results on learning to...

Towards Developing General Models of Usability with PARADISE (2000)

Marilyn Walker, Candace Kamm, Ace Kamm, Diane Litman

The design of methods for performance evaluation is a major open research issue in the area of spoken language dialogue systems. In this paper we present the PARADISE methodology for developing...

Predicting Automatic Speech Recognition Performance Using Prosodic Cues (2000)

Julia Hirschberg, Diane Litman, Marc Swerts

In spoken dialogue systems, it is important for a system to know how likely a speech recognition hypothesis is to be correct, so it can reprompt for fresh input, or, in cases where many errors have...

Bibliography for "Intonational Variation in Spoken Dialogue Systems: Generation and Understanding" (2000)

Julia Hirschberg, Marilyn A, Irene Langkilde, Jerry Wright, Allen Gorin, ...

man, Kim, Ashok Kalyanswamy, Julie Silverman, Sara Basson, and Dina Yashchin. 1993. Synthesiser intelligibility in the context of a name-and-address information service. In Proceedings of...

Automatic prediction of problematic human-computer dialogues in How May I Help You (1999)

Irene Langkilde, Marilyn Walker, Jerry Wright, Allen Gorin, Diane Litman

We apply machine learning methods to automatically identify and predict problematic human-computer dialogues in a corpus collected during a wizard override trial of the How May I Help You task. The...

Automatic prediction of problematic human-computer dialogues in How May I Help You (1999)

Irene Langkilde, Marilyn Walker, Jerry Wright, Allen Gorin, Diane Litman

We report results on learning to automatically identify and predict problematic human-computer dialogues in a corpus collected during a wizard-override trial of the How May I Help You task. We show...

Reinforcement Learning for Spoken Dialogue Systems (1999)

Satinder Singh Att, Satinder Singh, Michael Kearns, Diane Litman, Marilyn Walker

Recently, a number of authors have proposed treating dialogue systems as Markov decision processes (MDPs). However, the practical application of MDP algorithms to dialogue systems faces a number of...

Reinforcement Learning for Spoken Dialogue Systems (1999)

Satinder Singh Att, Satinder Singh, Michael Kearns, Diane Litman, Marilyn Walker

Recently, a number of authors have proposed treating dialogue systems as Markov decision processes (MDPs). However, the practical application of MDP algorithms to dialogue systems faces a number of...

Reinforcement Learning for Spoken Dialogue Systems (1999)

Satinder Singh Att, Satinder Singh, Michael Kearns, Diane Litman, Marilyn Walker

Recently, a number of authors have proposed treating dialogue systems as Markov decision processes (MDPs). However, the practical application of MDP algorithms to dialogue systems faces a number of...

Reinforcement Learning for Spoken Dialogue Systems (1999)

Satinder Singh, Michael Kearns, Diane Litman, Marilyn Walker

Recently, a number of authors have proposed treating dialogue systems as Markov decision processes (MDPs). However, the practical application of MDP algorithms to dialogue systems faces a number of...

Automatic Prediction of Problematic Human-Computer Dialogue in 'How May I Help You?' (1999)

Irene Langkilde, Marilyn Walker, Jerry Wright, Allen Gorin, Diane Litman

We report results on learning to automatically identify and predict problematic human-computer dialogues in a corpus collected during a wizard-override trial of the How May I Help You task. We show...

Prosodic Cues to Recognition Errors (1999)

Julia Hirschberg, Diane Litman, Marc Swerts

We identify methods of distinguishing between correctly and incorrectly recognized utterances (scored by hand for semantic concept accuracy) for a speech recognition system, using acoustic/prosodic...

Evaluating Response Strategies in a Web-Based Spoken Dialogue Agent (1998)

Diane Litman, Shimei Pan, Marilyn A. Walker

While the notion of a cooperative response has been the focus of considerable research in natural language dialogue systems, there has been little empirical work demonstrating how such responses lead...

Modeling Dynamic Collections of Interdependent Objects Using Path-Based Rules (1997)

Diane Litman, Anil Mishra

Standard object-oriented languages do not provide language support for modeling changing collections of interdependent objects. We propose that R++, an integration of the rule and objectoriented...

Cue Phrase Classification Using Machine Learning (1996)

Diane Litman

Cue phrases may be used in a discourse sense to explicitly signal discourse structure, but also in a sentential sense to convey semantic rather than structural information. Correctly classifying cue...

Cue Phrase Classification Using Machine Learning (1996)

Diane Litman

Cue phrases may be used in a discourse sense to explicitly signal discourse structure, but also in a sentential sense to convey semantic rather than structural information. Correctly classifying cue...

R++: Using Rules in Object-Oriented Designs (1996)

Anil Mishra, Johannes P. Ros, Anoop Singhal, Gary Weiss, Diane Litman, ...

System requirements often express some of the behavior of a domain model in the form of policies, constraints, invariants, and rules. Although an object-oriented approach helps with the design of...

Using Rules in Object-Oriented Designs (1996)

Daniel Dvorak, Anil Mishra, Johannes P. Ros, Anoop Singhal, Gary Weiss, Diane Litman

System requirements often express some of the behavior of a domain model in the form of policies, constraints, invariants, and rules. Although an object-oriented approach helps with the design of...

Using Rules in Object-Oriented Designs (1996)

Daniel Dvorak, Anil Mishra, Johannes P. Ros, Anoop Singhal, Gary Weiss, Diane Litman

System requirements often express some of the behavior of a domain model in the form of policies, constraints, invariants, and rules. Although an object-oriented approach helps with the design of...

Subsumption and Recognition of Heterogeneous Constraint Networks (1994)

Robert Weida, Diane Litman

Terminological knowledge representation (tkr) systems such as kl-one are widely used in AI to construct concept taxonomies based on subsumption inferences. However, current tkr systems are unable to...

Empirical studies on the disambiguation of cue phrases (1993)

Julia Hirschberg, Diane Litman

Cue phrases are linguistic expressions such as now and well that function as explicit indicators of the structure of a discourse. For example, now may signal the beginning of a subtopic or a return...

Empirical Studies on the Disambiguation of Cue Phrases (1993)

Julia Hirschberg, Diane Litman

Cue phrases are linguistic expressions such as now and well that function as explicit indicators of the structure of a discourse. For example, now may signal the beginning of a subtopic or a return...

Terminological Reasoning with Constraint Networks and an Application to Plan Recognition (1992)

Robert Weida, Diane Litman

Terminological systems, such as KL-ONE and K-Rep, are widely used in AI to represent and reason with concept descriptions. They compute subsumption relations between concepts and automatically...