نتایج جستجو برای: bibliographic retrieval system

تعداد نتایج: 2311054  

Journal: :مدیریت اطلاعات سلامت 0
مهدی علی پور حافظی استادیار، علوم کتابداری و اطلاع رسانی، پژوهشگاه علوم و فناوری اطلاعات ایران، تهران، ایران

introduction: direct and rapid access to information is one of the main necessities of the users in new technological world. nowadays, information users, particularly medical information in which rapid access is of necessity, do not have enough time to search and access to information. therefore, the present study aimed to determine strategies to access required information as soon as possible....

2007
Vivien Petras Stefan Baerisch Maximilian Stempfhuber

The domain-specific track uses test collections from the social science domain to test monolingual and cross-language retrieval in structured bibliographic databases. Special attention is given to the existence of controlled vocabularies for content description and their potential usefulness in retrieval. Test collections and topics are provided in German, English and Russian. This year, a new ...

2002
Ali Asghar Shiri Gobinda Chowdhury

User interfaces to information retrieval systems play a major role in assisting users to search, browse and retrieve information relevant to their needs. This paper provides a review of a category of information retrieval interfaces that are enhanced by incorporating standard thesauri as part of their searching and browsing facilities. A brief account of the rationale behind the integration of ...

Journal: :Behavior Research Methods & Instrumentation 1976

2006
Jacques Savoy Samir Abdou

For our participation in this CLEF evaluation campaign, the first objective was to propose and evaluate various indexing and search strategies for the Hungarian language in order to produce better retrieval effectiveness than language-independent approach (n-gram). Using both a new stemmer including some derivational suffixes removals, and a more aggressive automatic decompounding scheme, we we...

Journal: :Inf. Process. Manage. 1999
Kalervo Järvelin Timo Niemi

In this paper we show that in advanced information retrieval (IR) applications capabilities for data aggregation, transitive computation and NF (non-first normal form) relational computation are often necessary at the same time. We demonstrate that complex objects are naturally modeled as NF relations whereas structures like hierarchical thesauri must be modeled for transitive computation. Tran...

1998
Rudolf Vlasák Stanislav Kalkus

About at the break of sixties and seventies of this century the first functional and publicly used information system developed from originally experimental and non commercial applications of computer technology in storing and retrieval of document records. At the beginning these were mostly parallel editions of bibliographies in both printed and magnetic format. Thus developed on one hand data...

Fatemeh Serpush Mohammadreza Keyvanpour

A major problem in information retrieval is the difficulty to define the information needs of user and on the other hand, when user offers your query there is a vast amount of information to retrieval. Different methods , therefore, have been suggested for query expansion which concerned with reconfiguring of query by increasing efficiency and improving the criterion accuracy in the information...

Journal: :Journal of palliative medicine 2010
Jennifer J Tieman Amy Abernethy David C Currow

INTRODUCTION Accessing new knowledge as the evidence base for hospice and palliative care grows has specific challenges for the discipline. This study aimed to describe conversion rates of palliative and hospice care conference abstracts to journal articles and to highlight that some palliative care literature may not be retrievable because it is not indexed on bibliographic databases. METHOD...

2006
Margaret K. Park

The major steps involved in conducting a batch—oriented computer—based search of bibliographic data bases are: formulation of a statement of the infor— mation need, selection of pertinent data bases, preparation of search profiles, conduct of the search, analysis of the initial search results, and revision (if necessary) of the search profiles for subsequent searches. Important aspects of the p...

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