The Penn Treebank: Annotating Predicate Argument Structure
What it is about
The paper describes a second annotation scheme for the Penn Treebank, written to make predicate-argument structure recoverable from the trees. It makes related phenomena consistent, adds co-indexed null elements for wh-movement, passives and infinitival subjects, gives a mechanism for discontinuous constituents, and tags arguments and adjuncts with function labels such as -SBJ, -TMP and -PRD. Small clauses map to a single predication, so that "consider Kris a fool" yields one predicate. The authors report an eight-month effort by about ten annotators to write the stylebook, and they plan 10% overlapped material to measure consistency. The paper gives no accuracy figures; its value is the scheme and the stated goal of evaluating parsers on predicate-argument structure.
For Mova
- I1. Null-element loss probe: in
en/src/convert.rs, count how many gold arguments are reached only through co-indexed traces, and whether the mova dialect keeps them (MISC or the derived layer); report the share of lost relations per bank (test only, PTB is NC). - I2. Small clauses and predicate tags as a
treeagreecheck: count gate violations for the -PRD style case (predicate of a small clause) and for -TMP adjuncts, on teacher silver with and without the rule. - I3. Overlap protocol for
annot: a fixed 10% double-annotated slice of the school corpus, with agreement reported per relation, as the paper plans for its stylebook.
The code is en/src/convert.rs, treebanks/en/ and annot. The chapters are languages/en/23-complementation.md (small clauses and control), 25-relative-clauses.md (wh-traces) and 28-voice-and-passive.md (passive subjects). Measure first: how many gold relations in the PTB conversion depend on a trace, since that count sets the cost of recovering them.
Institutions
Topics Treebanks Semantic role labeling
Cite
Cite as Mitchell Marcus, Grace Kim, Mary Ann Marcinkiewicz, Robert MacIntyre, Ann Bies, Mark Ferguson, Karen Katz and Britta Schasberger. 1994. The Penn Treebank: Annotating Predicate Argument Structure. Human Language Technology: Proceedings of a Workshop held at Plainsboro, New Jersey, March 8-11, 1994.
@inproceedings{marcus1994penn,
title = {{The Penn Treebank: Annotating Predicate Argument Structure}},
author = {Mitchell Marcus, Grace Kim, Mary Ann Marcinkiewicz, Robert MacIntyre, Ann Bies, Mark Ferguson, Karen Katz and Britta Schasberger},
booktitle = {Human Language Technology: Proceedings of a Workshop held at Plainsboro, New Jersey, March 8-11, 1994},
year = {1994},
doi = {10.3115/1075812.1075835},
url = {https://doi.org/10.3115/1075812.1075835}
}References
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