Synergistic use of direct manipulation and natural language
CHI '89 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Knowledge and natural language processing
Communications of the ACM
AI Magazine
User and discourse models for multimodal communication
Intelligent user interfaces
Discourse pegs: a computational analysis of context-dependent referring expressions
Discourse pegs: a computational analysis of context-dependent referring expressions
An architecture for anaphora resolution
ANLC '88 Proceedings of the second conference on Applied natural language processing
ACL '89 Proceedings of the 27th annual meeting on Association for Computational Linguistics
The repair of speech act misunderstandings by abductive inference
Computational Linguistics
SmartKom: adaptive and flexible multimodal access to multiple applications
Proceedings of the 5th international conference on Multimodal interfaces
Evaluation-driven design of a robust coreference resolution system
Natural Language Engineering
Resolving discourse deictic anaphora in dialogues
EACL '99 Proceedings of the ninth conference on European chapter of the Association for Computational Linguistics
COLING '98 Proceedings of the 17th international conference on Computational linguistics - Volume 2
Reference resolution beyond coreference: a conceptual frame and its application
COLING '98 Proceedings of the 17th international conference on Computational linguistics - Volume 2
Anaphora and Discourse Structure
Computational Linguistics
Less is more: using a single knowledge representation in dialogue systems
HLT-NAACL-TEXTMEANING '03 Proceedings of the HLT-NAACL 2003 workshop on Text meaning - Volume 9
Contextual coherence in natural language processing
CONTEXT'03 Proceedings of the 4th international and interdisciplinary conference on Modeling and using context
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The three-tiered discourse representation defined in (Luperfoy, 1991) is applied to multimodal human-computer interface (HCI) dialogues. In the applied system the three tiers are (1) a linguistic analysis (morphological, syntactic, sentential semantic) of input and output communicative events including keyboard-entered command language atoms, NL strings, mouse clicks, output text strings, and output graphical events; (2) a discourse model representation containing one discourse object, called a peg, for each construct (each guise of an individual) under discussion; and (3) the knowledge base (KB) representation of the computer agent's 'belief' system which is used to support its interpretation procedures. I present evidence to justify the added complexity of this three-tiered system over standard two-tiered representations, based on (A) cognitive processes that must be supported for any non-idealized dialogue environment (e.g., the agents can discuss constructs not present in their current belief systems), including information decay, and the need for a distinction between understanding a discourse and believing the information content of a discourse; (B) linguistic phenomena, in particular, context-dependent NPs, which can be partially or totally anaphoric; and (C) observed requirements of three implemented HCI dialogue systems that have employed this three-tiered discourse representation.