A comparison of ALE and PATR: practical experiences

Milena Stefano; Wilco ter Stal

A comparison of ALE and PATR: practical experiences

Milena Stefano
, Wilco ter Stal

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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Abstract

We describe our experiences with two unificationbased grammar formalisms, namely ALE and PATR, used for syntactic and semantic analysis of NL texts. These formalisms can be considered to be high-level tools, like expert-system shells, for writing a NL grammar and for parsing sentences.
However there are a number of aspects, such as ease of expression, augmentability, linguistic felicitousness and computational efficiency in which ALE and PATR differ.
The experiment is carried out in the context of the Plinius project which requires a.o. a large sublanguage grammar covering a fragment of English.
We will describe the formalization and implementation of our linguistic ideas in PATR and ALE. Subsequently we will evaluate both exercises ihereby focusing on both practical and theoretical properties of the two formalisms. The purpose of the experiment is to reveal whether there are motivated reasons concerning which kind of formalism can be employed best given the particular Plinius task.

Original language	English
Title of host publication	Natural Language Parsing: Methods and Formalisms - ACL/SIGPARSE Workshop
Subtitle of host publication	Proceedings of the sixth Twente Workshop on Language Technology
Editors	Klaas Sikkel, Anton Nijholt
Place of Publication	Enschede
Publisher	University of Twente
Pages	47-62
Number of pages	15
Publication status	Published - 16 Dec 1993
Event	6th Twente Workshop on Language Technology, TWLT 6 - University of Twente, Enschede, Netherlands Duration: 16 Dec 1993 → 17 Dec 1993 Conference number: 6

Publication series

Name	Twente Workshop on Language Technology
Publisher	University of Twente
Volume	6
ISSN (Print)	0929-0672

Workshop

Workshop	6th Twente Workshop on Language Technology, TWLT 6
Abbreviated title	TWLT
Country/Territory	Netherlands
City	Enschede
Period	16/12/93 → 17/12/93

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title = "A comparison of ALE and PATR: practical experiences",

abstract = "We describe our experiences with two unificationbased grammar formalisms, namely ALE and PATR, used for syntactic and semantic analysis of NL texts. These formalisms can be considered to be high-level tools, like expert-system shells, for writing a NL grammar and for parsing sentences. However there are a number of aspects, such as ease of expression, augmentability, linguistic felicitousness and computational efficiency in which ALE and PATR differ. The experiment is carried out in the context of the Plinius project which requires a.o. a large sublanguage grammar covering a fragment of English. We will describe the formalization and implementation of our linguistic ideas in PATR and ALE. Subsequently we will evaluate both exercises ihereby focusing on both practical and theoretical properties of the two formalisms. The purpose of the experiment is to reveal whether there are motivated reasons concerning which kind of formalism can be employed best given the particular Plinius task. ",

author = "Milena Stefano and \{ter Stal\}, Wilco",

year = "1993",

month = dec,

day = "16",

language = "English",

series = "Twente Workshop on Language Technology ",

publisher = "University of Twente",

pages = "47--62",

editor = "Klaas Sikkel and Anton Nijholt",

booktitle = "Natural Language Parsing: Methods and Formalisms - ACL/SIGPARSE Workshop",

address = "Netherlands",

note = "6th Twente Workshop on Language Technology, TWLT 6, TWLT ; Conference date: 16-12-1993 Through 17-12-1993",

}

Stefano, M & ter Stal, W 1993, A comparison of ALE and PATR: practical experiences. in K Sikkel & A Nijholt (eds), Natural Language Parsing: Methods and Formalisms - ACL/SIGPARSE Workshop: Proceedings of the sixth Twente Workshop on Language Technology. Twente Workshop on Language Technology , vol. 6, University of Twente, Enschede, pp. 47-62, 6th Twente Workshop on Language Technology, TWLT 6, Enschede, Netherlands, 16/12/93.

A comparison of ALE and PATR: practical experiences. / Stefano, Milena; ter Stal, Wilco.
Natural Language Parsing: Methods and Formalisms - ACL/SIGPARSE Workshop: Proceedings of the sixth Twente Workshop on Language Technology. ed. / Klaas Sikkel; Anton Nijholt. Enschede: University of Twente, 1993. p. 47-62 (Twente Workshop on Language Technology ; Vol. 6).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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T1 - A comparison of ALE and PATR

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AU - Stefano, Milena

AU - ter Stal, Wilco

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Y1 - 1993/12/16

N2 - We describe our experiences with two unificationbased grammar formalisms, namely ALE and PATR, used for syntactic and semantic analysis of NL texts. These formalisms can be considered to be high-level tools, like expert-system shells, for writing a NL grammar and for parsing sentences. However there are a number of aspects, such as ease of expression, augmentability, linguistic felicitousness and computational efficiency in which ALE and PATR differ. The experiment is carried out in the context of the Plinius project which requires a.o. a large sublanguage grammar covering a fragment of English. We will describe the formalization and implementation of our linguistic ideas in PATR and ALE. Subsequently we will evaluate both exercises ihereby focusing on both practical and theoretical properties of the two formalisms. The purpose of the experiment is to reveal whether there are motivated reasons concerning which kind of formalism can be employed best given the particular Plinius task.

AB - We describe our experiences with two unificationbased grammar formalisms, namely ALE and PATR, used for syntactic and semantic analysis of NL texts. These formalisms can be considered to be high-level tools, like expert-system shells, for writing a NL grammar and for parsing sentences. However there are a number of aspects, such as ease of expression, augmentability, linguistic felicitousness and computational efficiency in which ALE and PATR differ. The experiment is carried out in the context of the Plinius project which requires a.o. a large sublanguage grammar covering a fragment of English. We will describe the formalization and implementation of our linguistic ideas in PATR and ALE. Subsequently we will evaluate both exercises ihereby focusing on both practical and theoretical properties of the two formalisms. The purpose of the experiment is to reveal whether there are motivated reasons concerning which kind of formalism can be employed best given the particular Plinius task.

M3 - Conference contribution

T3 - Twente Workshop on Language Technology

SP - 47

EP - 62

BT - Natural Language Parsing: Methods and Formalisms - ACL/SIGPARSE Workshop

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A2 - Nijholt, Anton

PB - University of Twente

CY - Enschede

Y2 - 16 December 1993 through 17 December 1993

ER -

A comparison of ALE and PATR: practical experiences

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