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2020 ; 1
(4
): 100053
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English Wikipedia
Harvesting Patterns from Textual Web Sources with Tolerance Rough Sets
#MMPMID32835308
Moghaddam HR
; Ramanna S
Patterns (N Y)
2020[Jul]; 1
(4
): 100053
PMID32835308
show ga
Construction of knowledge repositories from web corpora by harvesting linguistic
patterns is of benefit for many natural language-processing applications that
rely on question-answering schemes. These methods require minimal or no human
intervention and can recursively learn new relational facts-instances in a fully
automated and scalable manner. This paper explores the performance of tolerance
rough set-based learner with respect to two important issues: scalability and its
effect on concept drift, by (1) designing a new version of the semi-supervised
tolerance rough set-based pattern learner (TPL 2.0), (2) adapting a tolerance
form of rough set methodology to categorize linguistic patterns, and (3)
extracting categorical information from a large noisy dataset of crawled web
pages. This work demonstrates that the TPL 2.0 learner is promising in terms of
precision@30 metric when compared with three benchmark algorithms: Tolerant
Pattern Learner 1.0, Fuzzy-Rough Set Pattern Learner, and Coupled Bayesian
Sets-based learner.