introduction to webometrics(13 mar2011)

Introduction to WebometricsQuantitative Web Research for the Social Sciences

• 영남대 2011년 1학기 <웹보메트릭스의 이해> 강의 (박한우 교수) 발표과제•이 슬라이드는 Mike Thelwall의 ‘Introduction to Webometrics’의 1장을 정리한 자료입니다.

Myunggoon ChoiMedia and Communication, Yeungnam University

qksil1630@gmail.com

Myunggoon.choi@gmail.com

http://www.webometrics.info

Cybermetrics Lab,

A research group of the Spanish National Research Council (CSIC)

Design and Weighting of Indicators

a) The volume of the Web contents (number of

web pages and files) and b) the visibility and

impact of these web publications according to

the number of external inlinks (site citations)

they received

Design and Weighting of Indicators

Webometrics Rank

Visibility

(External Inlinks)

50%

Size(Web Pages) 20%

Rich Files 15%

Scholar 15%

Yeungnam University

1336 / 12000 universities

Contents

History and Definition

Aspects of Web

New and Old Problem (Web-Based Phenomena

and Offline Phenomena Reflected Online

1.

2.

3.

History and Definition1

Definition

The study of web-based phenomena using

quantitative techniques and drawing upon

informetric methods.

(Björneborn and Ingwersen, 2004)

Informetric method

The production, dissemination and use of all

forms of information, regardless of its form or

origin.

Ex. Citation analysis

History

Being coined in print by an article, which

identified the web as an important source for

measuring documents and information

(Almind and Ingwersen, 1997)

- The term

History

Web search engine owned by Yahoo! and

launched on 15 December 1995

Providing large-scale link measurements

A study in each Scandinavian country

- AltaVista

A study in each Scandinavian country

A study that included a count of the number of

web pages in each Scandinavian country that

linked to the pages of each other

Scanadinavian country

(Ingwersen, 1998)

1. Link analysis

2. The reliability and coverage of search engines

3. Changes in the content of the web or

individual collections of web pages

(Bar-Ilan, 2004)

Three types of Webometrics(Web-based measurement research)

a) Arising in parallel with the development of

Webometrics , b) Being used to describe the

same research as webometrics and c) Preferred

in Spain

Cybermetrics

Being resolved by allowing cybermetrics to be

more general – referring to non-web Internet

research, such as email or newsgroup studies, in

addition to web research

(Björneborn and Ingwersen, 2004)

The difference between two terms

Aspects of Web2

Webometrics is concerned with measuring

aspects of the web:

a) web sites, b) web pages, c) parts of web pages,

d) words in web pages, e) hyperlinks, f) web

search engine results.

Huge scale

1. The number of web sites

2. The number of web pages

3. The number of blogs

Small scale

1. The number of web sites in Korea

2. The number of web pages in the CNN

3. The number of blogs mentioning Barack

Obama before the 2008 presidential campaign

New and Old Problem3

New Problem

1. Election web sites

2. Online academic communication

3. Bloggers as amateur journalists

4. Social networking

- Web-Based Phenomena

Old Problem

1. The impact of spread of ideas

2. Public opinion

3. Informal scholarly communication

- Offline Phenomena Reflected Online

Case★

데이터 과학, '소셜'을 분석하다

<출처> 과학동아

의원님 ‘사적 정보’ 과학으로 엿보다

<출처> 시사IN

Questions

Thank you

Myunggoon ChoiMedia and Communication, Yeungnam University

qksil1630@gmail.com

Myunggoon.choi@gmail.com