Sentence examples for index keyword from inspiring English sources
Two main approaches are matching words in the query against the database index (keyword searching) and traversing the database using hypertext or hypermedia links.
Tisserand 227 Establishing the nutritional status of deer in Latvia A. Jemeljanovs and J. Miculis 229-- Organic meat and milk production potential from small ruminants in Turkey I. Ak and M. Koyuncu 233-- Organic meat and milk production in South Africa-- J.B.J. van Ryssen 237-- Author index 243-- Keyword index 245 List of participants 247.
Table 1 An example of inverted index Keyword w i File ID id(Fi 1) id(Fi 2) id(Fi 3) … id F i n i Relevance score S i 1 S i 2 S i 3 … S i n i.
For the purpose of this study, only index keywords selected by Scopus professional indexers were used, a procedure that avoids author-introduced indexing bias.
Thus, 7177 different index keywords and 11,715 author keywords were retrieved.
Comparing plots (3a) and (3c), the discrepancy between author and index keywords is apparent.
2223 articles provide index keywords while 5151 articles are accompanied by author keywords (a set of 52,738 keywords).
Fig. 3 Word co-occurrence networks for corpuses of: (a) index keywords, (b) titles, (c) author keywords and (d) abstracts.
Finally, a clear finding from the present survey concerns the discrepancy between author and index keywords in the field.
In Fig. 3, word co-occurrence networks for articles' index keywords (a), titles (b), author keywords (c) and abstracts (d) are illustrated.
