OLAC Record
oai:www.ldc.upenn.edu:LDC2010T18

Metadata
Title:ACE Time Normalization (TERN) 2004 English Evaluation Data V1.0
Access Rights:Licensing Instructions for Subscription & Standard Members, and Non-Members: http://www.ldc.upenn.edu/language-resources/data/obtaining
Bibliographic Citation:Ferro, Lisa, et al. ACE Time Normalization (TERN) 2004 English Evaluation Data V1.0 LDC2010T18. Web Download. Philadelphia: Linguistic Data Consortium, 2010
Contributor:Ferro, Lisa
Gerber, Laurie
Mani, Inderjeet
Sundheim, Beth
Wilson, George
Date (W3CDTF):2010
Date Issued (W3CDTF):2010-10-15
Description:*Introduction* ACE Time Normalization (TERN) 2004 English Evaluation Data V1.0, Linguistic Data Consortium (LDC) catalog number LDC2010T18 and isbn 1-58563-563-4, was developed by researchers at The MITRE Corporation. It contains the English evaluation data prepared for the 2004 Time Expression Recognition and Normalization (TERN) Evaluation, sponsored by the Automatic Content Extraction (ACE) program, specifically, English broadcast news and newswire data collected by LDC. The training data for this evaluation can be found in ACE Time Normalization (TERN) 2004 English Training Data v 1.0 LDC2005T07. The purpose of the TERN evaluation is to advance the state of the art in the automatic recognition and normalization of natural language temporal expressions. In most language contexts such expressions are indexical. For example, with "Monday," "last week," or "three months starting October 1," one must know the narrative reference time in order to pinpoint the time interval being conveyed by the expression. In addition, for data exchange purposes, it is essential that the identified interval be rendered according to an established standard, i.e., normalized. Accurate identification and normalization of temporal expressions are in turn essential for the temporal reasoning being demanded by advanced NLP applications such as question answering, information extraction and summarization. *Data* The data in this release is English broadcast transcripts and newswire material from TDT4 Multilingual Text and Annotations LDC2005T16. The annotation specifications for this corpus were developed under DARPA's Translingual Information Detection Extraction and Summarization (TIDES) program, with support from ACE. All files have been doubly-annotated by two separate annotators and then reconciled, using the TIDES 2003 Standard for the Annotation of Temporal Expressions (included in this release). The table below illustrates the number of words and documents by genre: Words Documents Broadcast news 26418 127 Newswire 28196 65 TOTAL 54614 192 *Samples* For an example of the data in this corpus, please review Sample 1 and Sample 2. Sample 1 depicts the source data files in sgml format and Sample 2 shows the annotated files, also in sgml format (*.tmx.sgml). *Updates* Additional information, updates, bug fixes may be available in the LDC catalog entry for this corpus at LDC2010T18.
Extent:Corpus size: 2508 KB
Identifier:LDC2010T18
https://catalog.ldc.upenn.edu/LDC2010T18
ISBN: 1-58563-563-4
ISLRN: 719-248-950-383-6
DOI: 10.35111/7hfd-eg56
Language:English
Language (ISO639):eng
License:LDC User Agreement for Non-Members: https://catalog.ldc.upenn.edu/license/ldc-non-members-agreement.pdf
Medium:Distribution: Web Download
Publisher:Linguistic Data Consortium
Publisher (URI):https://www.ldc.upenn.edu
Relation (URI):https://catalog.ldc.upenn.edu/docs/LDC2010T18
Rights Holder: Portions © 2001 American Broadcasting Company, Cable News Network, LP, LLLP, National Broadcasting Company, Inc., New York Times, Public Radio International, The Associated Press, © 2002, 2003, 2005, 2010 Trustees of the University of Pennsylvania

The World is a co-production of Public Radio International and the British Broadcasting Corporation and is produced at WGBH Boston.
Type (DCMI):Text
Type (OLAC):primary_text

OLAC Info

Archive:  The LDC Corpus Catalog
Description:  http://www.language-archives.org/archive/www.ldc.upenn.edu
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OaiIdentifier:  oai:www.ldc.upenn.edu:LDC2010T18
DateStamp:  2020-11-30
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Citation: Ferro, Lisa; Gerber, Laurie; Mani, Inderjeet; Sundheim, Beth; Wilson, George. 2010. Linguistic Data Consortium.
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