نتایج جستجو برای: bibliographic databases

تعداد نتایج: 136609  

Journal: :مطالعات ملی کتابداری و سازماندهی اطلاعات 0
جهان زیر خسروی کارشناس ارشد مرکز اطلاع رسانی و خدمات علمی جهاد سازندگی

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2007
David Mimno Andrew McCallum Gerome Miklau

Databases constructed automatically through web mining and information extraction often overlap with databases constructed and curated by hand. These two types of databases are complementary: automatic extraction provides increased scope, while curated databases provide increased accuracy. The uncertain nature of such integration tasks suggests that the final representation of the merged databa...

2016
Neal R. Haddaway Alexandra M. Collins Deborah Coughlin Stuart Kirk

Background: Many online search facilities allow searching for academic literature. The majority are bibliographic databases that catalogue published research in an iterative, semi-automated manner, e.g. Web of Science Core Collections, which indexes articles published in selected journals. Other resources, such as Google Scholar, identify academic articles by using search engines that crawl the...

ژورنال: پیاورد سلامت 2017
شریف مقدم, هادی, شیرازی مهرآباد, محسن, عزیزی, امیرعباس, کیمیافر, خلیل,

Background and Aim: Periodic assessment of medical sciences databases is a necessary principle of the process of enhancement these databases. The aim of this study was to Comparatively evaluate structural features of medical bibliographic databases including MedLib, Barakat knowledge network system, Irandoc, SID, Magiran and  PubMed, based on Gulliver criteria. Materials and Methods: This surv...

Journal: :Iryo Yakugaku (Japanese Journal of Pharmaceutical Health Care and Sciences) 2009

Journal: :Online Information Review 2004
Maike Somers Paul Nieuwenhuysen

The World Wide Web offers different systems to retrieve information about published books in the form of online catalogues of libraries and popular online bookstores, and subscription-based bibliographic databases. The paper determines the usefulness of bibliographic information offered by such systems. For the quantitative evaluation, random tests with titles of known books were executed. The ...

Journal: :Emerging Themes in Epidemiology 2008
Isaac CH Fung

Chinese journals in epidemiology, preventive medicine and public health contain much that is of potential international interest. However, few non-Chinese speakers are acquainted with this literature. This article therefore provides an overview of the contemporary scene in Chinese biomedical journal publication, Chinese bibliographic databases and Chinese journals in epidemiology, preventive me...

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...

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