Presentation on theme: "USING THE INTERNET FOR RESEARCH AND ACADEMIC WORK Internet is interconnection of computers all over the world for the sole purpose of sharing resources."— Presentation transcript:
USING THE INTERNET FOR RESEARCH AND ACADEMIC WORK Internet is interconnection of computers all over the world for the sole purpose of sharing resources Internet is a resource for searching specific and general information.
THE INTERNET The Web and the Internet The two are sometimes used interchangeably but there is a difference. The net and the web differ The Internet connects computers File transfer, involving a variety of protocols (e.g. ftp) The web connects pages Hyperlinks: the http at the beginning of the URL of every web page
Internet history Roots in Cold War In 1958, the US created the Advanced Research Projects Agency (ARPA) to regain a lead in technology as the Russians had just launched the Sputnik satellite into space.
Internet history ARPAnet was the forerunner of the Internet In 1967, after years of development, ARPAnet used packet switching technology to transmit information. Packet switching is a method used by network protocols including IP and Frame Relay to deliver data across a computer network connection in individually delivered small pieces. This method was considered safer in case of an atomic attack. The advanced version is called TCP/IP and without it the Internet would be impossible.
History Gradually networking was created across the globe ARPAnet technology was adopted by other organizations around the world. The number of servers worldwide started to increase exponentially.
History and usenet invented was invented in to separate user from host names was introduced in Usenet, newsgroups, mailing lists, and discussion groups were made possible from 1979.
History The http protocol was created to facilitate browsing In 1990, Tim Berners-Lee created the http protocol at CERN, Geneva. As a result it became possible to use international networks for web browsing.
History Modern Internet era: the Web With the abandonment of ARPAnet in the early 1990s and the introduction of the first browsers the Internet entered into a new era: the World Wide Web was born, which quickly became in the key stone of the knowledge society.
History Current Web trends Everything connected to the Internet The Internet increasingly gobbles up everything else (telephone, power supply, commerce, entertainment, education, what not) into one big machine, that grows enormously in power and size.
History University teaching and academic library affected This development will also affect the future of university teaching and academic library support and the relationship between the two. The amount of scientific knowledge recorded in scientific and non scientific journals doubles about every fifteen to seventeen years.
Information Retrieval Tools There is therefore the need to have an idea of some of the information resources available and to know how to search them for the required information. Selected categories of information resources: A. Search tools (i) search engines
Information Retrieval Tools (ii) Meta search engines (iii) Subject specific search engines B.Subject Information Gateways C.Databases (i) Subscribed (Institution) (ii) Available but not subscribed (iii) Free databases (e.g. Directory of Open Access Journals
Information Retrieval Tools D. Institutional Repositories E. OCLC World Catalogue F. Networked Digital Library of Theses and Dissertations G. Online Libraries H. Free books
WHY IT IS IMPORTANT TO HAVE AN INDEPTH KNOWLEDGE OF SELECTED E-RESOURCES Universities perform two basic functions: teaching and research; Research is undertaken to further knowledge in a subject; New research builds upon past research; Academics conduct a review of previous research before carrying out their own work
WHY IT IS IMPORTANT TO HAVE AN INDEPTH KNOWLEDGE AND SKILLS IN SEARCHING SELECTED E-RESOURCES "Standing on the shoulders of giants" is a famous phrase used to describe academic research; It means we should look to learn from the major thinkers who went before us before developing our own ideas; University research relies heavily on academic publications and libraries, but since the Web began in the 1990s the Internet has become a valuable research tool alongside these traditional sources.
Search Engines SEARCH ENGINE is a program that searches documents for specified keywords and returns a list of the documents where the keywords were found.programkeywords Although search engine is really a general class of programs, the term is often used to specifically describe systems like Alta Vista and Excite that enable users to search for documents on the World Wide Web and USENET newsgroupssystemsAlta VistaExciteWorld Wide WebUSENETnewsgroups A search engine like google can be used to look for other search engines. You can call and use google by typing the google address at the URL
Meta Search Engines A search engine that gets listings from two or more other search engines, rather than through its own efforts. des/Internet/MetaSearch.html
GOOGLE AS A SEARCH ENGINE AND PROVIDER OF OTHER USEFUL SERVICES It is a popular search engine but it has limitations. It cannot pull out records from sources that require registration of some sort for use. For a single search it can provide millions of records. This challenge can be addressed by using inverted commas at the beginning and end of the search term.
GOOGLE SERVICES (i) Google maps (ii) Google translate – translation to several languages (iii) Google earth – download the application (iv) Google plus – social chat network (v) Google images – database of images (vi) Google voice - (vii) Google documents (viii) Google scholar - articles (ix) Google chrome - browser (x) Google news – current information (xi) Google books – preview of books (xii) Google reader
Subject Specific Search Engines ACCOUNTING AGRICULTURE: AgEcon AgNichttp://www.agnic.org/search/ Agview1http://www.agview.com/
Subject Specific Search Engines HEALTH tml HON tml LANGUAGE/COUNTRIES Arabichttp://www.arab.de/asearch.htm gines/ European gines/ ilovelanguages Colosushttp://www.searchenginecolossus.com/
Subject Specific Search Engines HUMANITIES Voice of Shuttlehttp://vos.ucsb.edu/index.asp KINERSIOLOGY SIRChttp://www.sirc.ca/ LAW FindLawhttp://www.findlaw.com/ Lawcrawlerhttp://lawcrawler.findlaw.com/
Subject Specific Search Engines LITERATURE Literary Resources on the Net MATHEMATICS Drexelhttp://mathforum.org/library/topics/probstat/ Mathematics WWW Virtual Library StatLib LINKShttp://www.mathacademy.com/pr/links/index.asp
Subject Specific Search Engines MEDICINE HON / NLMhttp://www.nlm.nih.gov / / WebMD / PHYSICS / physicsworldhttp://physicsworld.com /
Subject Specific Search Engines POLITICAL SCIENCE / Political Informationhttp://www.politicalinformation.com / SCIENCE / CiteSeerhttp://citeseerx.ist.psu.edu / / SciCentralhttp://www.scicentral.com / / Science.Govhttp://www.science.gov / / SciNethttp://www.science.gov / SCIRUShttp://www.scirus.com/srsapp/ Scitopiahttp://www.scitopia.org/scitopia/
Subject Specific Search Engines SOCIAL SCIENCES sosighttp://www.ariadne.ac.uk/issue2/sosig SOCIAL WORK / Social Work Searchhttp://www.socialworksearch.com /
SUBJECT AND MULTI SUBJECT INFORMATION GATEWAYS MULTIDISCIPLINARY PINAKES / INTUTEhttp://www.intute.ac.uk / INFOMINEhttp://infomine.ucr.edu/ SOCIAL SCIENCES PHYSICS PHYSNET
DATABASES What is a database? A collection of structured records structured in such a way to permit orderly retrieval, e.g. for research, study, or administration. A database may contain citations or it may have full-text articles. Every database has its own subject scope and coverage. It is searchable in a variety of ways, such as title, author, subject, and keyword. But only in its normal database environment, using the database-specific search engine.
DATABASES Databases to which UNILORIN can subscribe Oxford journals You can access full text articles in journals covering the following subjects: Humanities, Law, Life Sciences, Mathematics and Physical Sciences, Medicine, Social Sciences
DATABASES Emerald Emerald currently publishes more than 160 journal titles in the fields of management, information science and engineering. Flagship titles such as Management Decision, European Journal of Marketing, Journal of Documentation, Leadership and Organisation Development Journal, Journal of Consumer Marketing, Library Management and The TQM Magazine attract contributors from across the globe.
DATABASES Blackwell Publishing The Blackwell database covers the following subjects: Business, Economics, Finance and Accounting Engineering, Computing and Technology Health Sciences Humanities Law Life and Physical Sciences Mathematics and Statistics Medicine Social and Behavioral Sciences The Arts Veterinary Medicine, Animal Sciences, Agriculture and Aquaculture
DATABASES ScienceDirect An information source for scientific, technical, and medical research INFOMINE Scholarly internet resources
FREE DATABASES FREE DOAJ ( Directory of open access journals) Multidisciplinary databases BEAUCOUP REFERENCE AND EDUCATION LITERATURE Business Management _databases.html _databases.html
DATABASES Economics Finance and economics data.html#axzz1Yb43Mai4 Global finance data/10299-http://www.gfmag.com/tools/global-database/economic- data/ the-worlds-richest-and-poorest-countries.html#axzz1Yb43Mai4
DATABASES Religion-Christianity Religion and philosophy resources Religion- Islam
DATABASES MEDICINE Priory medical journalshttp://www.priory.com/ Me dical Journalshttp://www.freemedicaljournals.com/ HighWire Online Full text articleshttp://highwire.stanford.edu/lists/freeart.dtl Medscapehttp://www.medscape.com/ SCIENCE
DATABASES MEDICINE On line medical journals ical.php Medical journalshttp://www.gfmer.ch/Medical_journals/Free_med ical.php _Medical_Journals.htm PubM ed Central Journalshttp://www.forusdocs.com/Free_Resources/Free _Medical_Journals.htm
DATABASES GPO ACCESS ONLINE RESOURCES UNESCO E-RESOURCES Bibliographic records and Full text of UNESCO documents, publications, periodicals.Bibliographic recordsFull text Bibliographic records of the Library's acquisitions.Bibliographic records OpenJ-Gate FREE ARTICLES
INSTITUTIONAL REPOSITORIES List of Institutional Repositories 0667ba c2/list-of-institutional- respositories.html
ONLINE CATALOGUES WORLD CATALOGUE /http://www.worldcat.org /
ONLINE LIBRARIES The European Library dex.html dex.html The African Digital Library / / World Bank e-Library 150/cl=14/nw=1/rpsv/home.htm 150/cl=14/nw=1/rpsv/home.htm
ELECTRONIC THESES AND DISSERTATIONS NETWORKED DIGITAL LIBRARY OF THESES AND DISSERTAIONS
Information Retrieval Skills What is a database designed to allow you to do? Retrieve shortlist of relevant articles The aim of database searching for reference purposes is (often) to retrieve a collection of say 50, mostly relevant documents, primarily journal articles and preferably in full text and in a single query. Several search actions are normally needed to get to that query or search strategy.
Information Retrieval Skills Database searching is a process Prepare: Identify key concepts, search terms Decide: subject or keyword search (or both) Construct a query
Information Retrieval Skills Build a keyword search statement (start simple). Limit to focus search results Screen your search results by some variable (language, publication date, etc.). You can limit your initial search statement (pre-limit), or post-limit after reviewing results (recommended approach).
Information Retrieval Skills Refine to expand or reduce results It's rare to get good results on the first try. If you get too many results, add new concepts or add limits to your search. Too few results? Remove concepts that are not critical, remove any limits.