This paper discusses the searching of full-text documents to identify paragraphs that are relevant to a user request. Given a natural language query statement, a nearest neighbour search involves ranking the paragraphs comprising a full-text document in order of descending similarity with the query, where the similarity for each paragraph is determined by the number of keyword stems that it has...

Thai sentences can be simplified or shortened by simply cutting some words out without changing its meaning. In this paper, Linear and non-linear Fisher discriminant analysis are applied to shorten Thai paragraph in a corpus. Features used in this paper are unique word ID and part of speech of the target word, as well as its three previous and three next adjacent words, and also its role as con...

There is an error in the first sentence of the Results paragraph of the Abstract. The correct sentence is: The search resulted in 101 included papers. There is an error in the third sentence of the first paragraph of the Results. The correct sentence is: Of the remaining 420 articles another 319 were excluded based on full text review (Fig. 1). There is an error in Fig. 1. The authors have prov...

During typesetting, the third paragraph of the Introduction was erroneously included in the caption for Fig 1. The publisher apologizes for this error. The unbolded text in the caption for Fig 1, with the exclusion of “doi:10.1371/journal.pone.0116612.g001,” should be the third paragraph of the Introduction, which should appear before Table 1 and after Fig 1. Please view the correct Fig 1, rena...