Unsupervised Constituency Parsing

Benchmarks

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

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