Database retrieval system and related semantic web application

Online Database Retrieval System

Dr. Shailendra KumarAssociate Professor and Former Head

Department of Library and Information ScienceUniversity of Delhi


• We have vast amounts of information and its formats to which accurate and speedy access is becoming ever more difficult.

• Identification of Metadata and their Semantic value and Relations in information resources.

• Ease of use and efficiency of library an information retrieval system (IRS) is ordinarily measured in terms of its user friendliness and recall & relevant ratios.

• IRS depends on the search strategy, query formulation skills and confidence of the online searcher as well as the inherent features of the IRS and the databases.

• Understanding existing trends in IR features and different data retrieval techniques required for success in searching different databases.

• Examine the data retrieval techniques as offered and made available by database providers

• Availability of required Bandwidth and Compatible Operating System Software.


• Bibliographic Database

• E-Books Database

• Full Text Journals Database

• Image and Graphic Database

BIBLIOGRAPHIC/ABSTRACTING/INDEXING DATABASES IN BELOW LISTED CENTRAL UNIVERSITIES IN

Database Name AU BHU DU IGNOU JAMIA JNU PU VBU

ABI/INFORM Databases N N Y N N N N N

Analytical WebBase N N Y N N N N N

Biological Abstract Y N N N N N N Y

BIOSIS Biological Abstract Database

OnlineN Y Y N N N N N

GeoRef Database N N Y N N N N N

HENRY-STEWART TALK

COLLECTIONN N N N N Y N N

LISA N N Y Y N N N N

Mathscinet N Y Y Y Y Y Y N

SCITATION N N N N Y N N N

SABRANG N N N N Y N N N

ISID Y Y Y N Y Y Y Y

JCCC Y Y Y N Y Y Y Y

Web of Sciences N Y N N N N N N

SciFinder Scholar N Y Y N N N Y N

DELNET Y Y Y Y Y Y N Y

E-BOOK DATABASES IN BELOW LISTED CENTRAL UNIVERSITIES

IN

Database Name AUBH

UDU

IGNO

U

JAMI

AJNU PU VBU

Alex Catalogue of Electronic

Texts N N Y Y N N N N

Authorama N Y Y Y N N N N

Bartleby.com N N Y Y N N N N

Bible Gateway.com. N N Y N N N N N

Bibliomania N N Y Y N N N N

Brookings Institution Press N N Y N N N N N

E-books N Y N N N N N N

Complete Works of William

ShakespeareN N Y Y N N N N

Credo Reference N Y Y Y Y N N N

Digital book Index N N Y N N N N N

DLIST N N N Y N N N N

Encyclopedia Britannica N Y N N Y N N N

Free Books N N N Y N N N N

Free e-books N N N Y N N N N

Idea Reference Resources N N N Y N N N N

Internet Archive N N Y N N N N N

Internet Public Library N N Y Y N N N N

MIT Courseware N N Y N N N N N

NetLibrary N N N Y N N N N

Online books page N N Y N N N N N

Online literature Library N N Y N N N N N

Project Gutenberg N Y N Y N N N N

books and publications N N Y N N N N N

Read Print site N Y Y Y N N N N

Sage- E - Books collections N Y Y N N N N N

The Great Books N N Y N N N N N

The Online Book Page N N Y Y N N N N

e scholarships Edition N N Y N N N N N

Internet Public Library N N Y Y N N N N

MIT Courseware N N Y N N N N N

NetLibrary N N N Y N N N N

Online books page N N Y N N N N N

Online literature Library N N Y N N N N N

Project Gutenberg N Y N Y N N N N

books and publications N N Y N N N N N

Read Print site N Y Y Y N N N N

Sage- E - Books collections N Y Y N N N N N

The Great Books N N Y N N N N N

The Online Book Page N N Y Y N N N N

e scholarships Edition N N Y N N N N N


• Identify different Accessibility Features of the online databases.

• Identify different Browsing Features of the online databases.

• Site Feasibility Features of the online databases.

• Recognize different Menu Driven or Command Oriented Retrieval Techniques of an online database.


• ACCESSIBILITY FEATURES OF ONLINE DATABASES•

• The below listed table 7.16 describe about the feasibility of the site of online database. The name column of Online Database is arranged alphabetically. On the other hand the features are arranged with the code word F1 (i.e. F1 = Feature One), the details of the features are given below:

•

• F1 Easy Query formulation• F2 Accessing index• F3 Query using index• F4 Query dialog box• F5 Query can be submitted to the database system • F6 Query parameter can be limited or expanded • F7 Query results form• F8 No distraction of query results• F9 Query results format (i.e. RTF, HTML, PDF or DOC etc.)• F10 Search history is noticeable • F11 System use select hits • F12 Online help is available


• BROWSING FEATURES OF ONLINE DATABASES

• F1 Easy browsing of Multimedia Information

• F2 Content of the Pages is easy to understand

• F3 Users friendly interface

• F4 Standard Graphic Quality

• F5 Lack of Standardized Format

• F6 Easy Reading on monitor Screen (P300)


• SITE FEASIBILTY OF ONLINE DATABASES• F1 Difficult to move around the site• F2 Finding quickly• F3 This site is easy to use• F4 Needs more instruction• F5 Slow site• F6 Easy navigation of Tabs • F7 Site logical design• F8 Consistency of pages & its presentation• F9 Appropriate images• F10 Site access• F11 Possibility to pass over repeated navigation• F12 Links on pages• F13 Generation of secondary web pages or script based presentation

window


• BASIC FEATURES• Entering a search• Navigation within the results list• Displaying an article from the result list• Searching for a particular journal Issues• Link to “related Internet links”• Finding the relevance rating for each article• Using the “go to best part” feature• Displaying the definition of a word in an article


• ADVANCE FEATURES• Boolean Operator• Field specific searches• Have rules of precedence with nested queries• Limit field searches• Match of exact words/phrases• Phases Searching• Proximity search• Range searching• Save search• Search history• Stemming• Subject search• Truncation• Use of thesaurus or permuted index for searching• Wildcard


• UNIQUE FEATURES

• Article locater

• Article types

• Automatic Translation Software

• Citation Search

• Classification code

• Cross Reference Search

• Custom Links

• Density of Terms

• Explode/Expand Search

• E-mailing an Article from the Result List

• E-mailing Citations from the Result List

• Frequency of terms

• Fuzzy Searching

• Google Custom Search

• Help Menu/Online Tutorial/Guide

• Hyphen

• Journal Browsing

• Lateral Searching

• ………………………………………………


• Mapping• Nested Queries• Persistent Links• Punctuation Marks• Query by Example• Reference Link• Searching for Common Phrases• SMART Links• Sort Order• Special Characters• Spell Check• Stop Word• Subject Authority• Suggest Subject Headings• Table of Content• Times Cited


• Truncation

• Use of thesaurus or permuted index for searching

Data

Retrieval

Techniqu

es

ACS AIP APS ARBW

P

CU

P

Emera

ld

Elsevi

er

IO

P

JSTO

R

OU

P

Proje

ct

Mus

e

RS

C

T&

F

Wile

y

Basic 4 1 5 5 5 6 4 6 6 2 3 2 2 4 4

Advance 9 7 7 5 5 7 10 10 8 8 5 9 7 6 5

Unique 14 16 18 12 15 14 24 24 19 20 13 22 12 12 12

Points on

the Basis

of

Percent

Rank

27 24 30 22 25 27 40 40 23 30 22 33 21 22 21

Ranking of Online Databases on the Basis of Data Retrieval Techniques


• These databases are from the following venders/ publishers: American Chemical Society (ACS) American Institute of Physics (AIP)Annual Reviews (AR), Blackwell Publishing (BWP), Cambridge University Press(CUP), Institute of Physics(IOP), Institute of Studies in Industrial Development (ISID), J-Gate Customs Content Consortia (JCCC), JSTOR, Oxford University Press (OUP), Royal Society of Chemistry (RSC), Society for Industrial and Applied Mathematics (SIAM), Springerlink (SL), and Taylor & Francis (T&F).

0

5

10

15

20

25

30

ACS AIPAPS AR BP

CUP

Emerald

ElsevierIO

PJstor

OUPPM

RSCT&F W

I

Basic

Advance

Unique

Ranking of Online Databases on the Basis of Data Retrieval Techniques

Education

Database retrieval system and related semantic web application