Unsupervised Constituency Parsing

Benchmarks

Dataset Name	SOTA Method	Metric
Chinese Treebank (CTB) (test)		Unlabeled Sentence F1 (Mean)81.1	36	1mo ago
SUSANNE (test)		F1 Score69.8	32	1mo ago
WSJ (test)		Max F184.3	29	1mo ago
WSJ10 (test)		UF1 Score88.1	24	1mo ago
Penn TreeBank English (test)	Ours (sentence-wise parse-focusing)	Mean S-F169.6	16	1mo ago
English SPMRL (test)	Parse-focused N-PCFG	S-F169.7	15	1mo ago
German SPMRL (test)	Spanoverlap	S-F149.5	11	1mo ago
SPMRL French (test)	SNPCFG	S-F154.37	11	1mo ago
KTB length <= 10 (test)		Mean Evalb F176.6	10	1mo ago
KTB-40 all sentences (test)		Mean Evalb F176.5	10	1mo ago
WSJ word-level gold trees (test)	C-PCFG	F154.08	8	1mo ago
Chinese (test)	NPCFG	SF153.92	7	1mo ago
CTB word-level gold trees (test)	C-PCFG	F1 Score49.95	7	1mo ago
SPMRL (test)	Span Overlap	German Score49.5	6	1mo ago
Swedish SPMRL (test)	TN-PCFG	S-F140	5	1mo ago
Polish SPMRL (test)	TN-PCFG	S-F148.6	5	1mo ago
SPMRL Korean (test)	Parse-focused N-PCFG	S-F142.1	5	1mo ago
Hungarian SPMRL (test)	C-PCFG	S-F1 Score44.9	5	1mo ago
Hebrew SPMRL (test)	Parse-focused N-PCFG	S-F149.5	5	1mo ago
Basque SPMRL (test)	Parse-focused N-PCFG	S-F145.9	5	1mo ago
WSJ word-piece level gold trees (test)	R2D2	F1 Score52.28	3	1mo ago
CTB word-piece level gold trees (test)	R2D2	F1 Score63.94	2	1mo ago

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