Unsupervised Constituency Parsing

Benchmarks

Dataset Name	SOTA Method	Metric
Chinese Treebank (CTB) (test)		Unlabeled Sentence F1 (Mean)81.1	36	4mo ago
SUSANNE (test)		F1 Score69.8	32	4mo ago
WSJ (test)		Max F184.3	29	4mo ago
WSJ10 (test)		UF1 Score88.1	24	4mo ago
Penn TreeBank English (test)	Ours (sentence-wise parse-focusing)	Mean S-F169.6	16	4mo ago
English SPMRL (test)	Parse-focused N-PCFG	S-F169.7	15	4mo ago
German SPMRL (test)	Spanoverlap	S-F149.5	11	4mo ago
SPMRL French (test)	SNPCFG	S-F154.37	11	4mo ago
KTB length <= 10 (test)		Mean Evalb F176.6	10	4mo ago
KTB-40 all sentences (test)		Mean Evalb F176.5	10	4mo ago
WSJ word-level gold trees (test)	C-PCFG	F154.08	8	4mo ago
Chinese (test)	NPCFG	SF153.92	7	4mo ago
CTB word-level gold trees (test)	C-PCFG	F1 Score49.95	7	4mo ago
SPMRL (test)	Span Overlap	German Score49.5	6	4mo ago
Swedish SPMRL (test)	TN-PCFG	S-F140	5	4mo ago
Polish SPMRL (test)	TN-PCFG	S-F148.6	5	4mo ago
SPMRL Korean (test)	Parse-focused N-PCFG	S-F142.1	5	4mo ago
Hungarian SPMRL (test)	C-PCFG	S-F1 Score44.9	5	4mo ago
Hebrew SPMRL (test)	Parse-focused N-PCFG	S-F149.5	5	4mo ago
Basque SPMRL (test)	Parse-focused N-PCFG	S-F145.9	5	4mo ago
WSJ word-piece level gold trees (test)	R2D2	F1 Score52.28	3	4mo ago
CTB word-piece level gold trees (test)	R2D2	F1 Score63.94	2	4mo ago

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