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citation indexescitation indexes are unique from the point of view of technique followed they are based on citations made in current documents
comprehensive servicescentralised agencies in countries such as the former ussr france japan and china have been attempting comprehensive i amp a
presentationthe important consideration in the matter of presentation of entries in indexing and abstracting periodicals is of maintaining uniformity
scopei amp a periodicals attempt to cover current literature with as little time lag as possible because of time and effort involved in production
qualitiescoverage in order to fulfill the functions enumerated above see 422 the i amp a periodicals must as far as possible be comprehensive in
needsat present the number of research journals published in the world is or 130000 according to ulrichs international periodicals directory the
functionsthe primary functions of indexing and abstracting periodicals areto keep scholars and information users abreast of current literature in
definitionthe word index is derived from the latin word indicare meaning to point out or to show an indexing periodical is an access tool to a
uses of state of the art reportswith information explosion it has become difficult for the researches to keep track of all the publications in their
trend reports the main purpose of a trend report is to fulfill the specific information requirement of a specialist reader on a particular subject
reviews and surveysa review is a survey of the primary literature in a specific subject field covering specific period it may be considered as a
types of state of the art reports the state-of-the-art reports can be grouped into three categories for the sake of conveniencereviews and
state of the art - purpose and presentationthe state-of-the-art reports are of several types they vary marginally in the presentation of the content
special featuressome general and subject dictionaries include some encyclopaedic features in dictionary they add to the value of a dictionary as it
formatthe physical format of the dictionary should be compatible with efficient use size binding paper print and appearance should be examined
word arrangement and word treatmentin most of the dictionaries entries are arranged in alphabetical order the arrangement of the vocabulary is either
authoritythe authority of a dictionary can be determined by the reputation of its compilerseditors associates and publishers generally a linguist et
evaluation of dictionariesin this section we will touch upon some evaluation criteria which are useful for you in assessing the value of any
dictionaries some problemsaccording to one estimate every minute of every day including sunday six people buy an oxford dictionary this only shows
subject dictionariesthey include words expressions phrases and technical terms of a particular subject some of these are technical and so
bilingual and multilingual dictionariesthere are bilingual and multilingual dictionaries a good number of translating dictionaries pertaining to
special dictionariesspecial dictionaries are grouped into four major groups they are dictionaries dealing withlinguistic aspects of words special
general language dictionariesgeneral language dictionaries are usually used for four broad purposes such asi a quick reference toolii a language
subject dictionariesdictionaries dealing with the terms of a particular subject are known as subject dictionaries the rapid development in all the
multilingual dictionariesthe second type useful for translation are known as multilingual or polyglot dictionaries they provide similar words in