WebArchiv - Archive of the Czech Web

5. 6. 2014

WebArchiv

• a digital archive of Czech web resources

• purposes of web archiving:

• growth of electronic online resourses • long-term preservation • at-risk content on web

Department of Web Archiving

History

• project started in 2000

• first document harvested in 3. 9. 2001

• IIPC member from 2007 !

• since 2008 part of National Digital Library

Today

• 87 TB archived data

• whole archive accesible in the library

• only selective harvests accesible online

• more then 4000 archived websites with online access

• 3 people in the deparment + 1 IT guy

• focus on long-term preservation

Legal Issues

• Legal deposit act - doesn’t cover online-born documents

• Copyright act - only the library licence which allows library to make a reproduction of a work for own archiving or conservation purpose

• Online access - based on contracts with publishers or on Creative Commons licence

Web Archive Content

1. Comprehesive harvests

2. Selective harvests

3. Topic collections

Comprehensive harvests

• contract with czech domain provider CZ.NIC

!

• once a year crawl of the whole .cz domain

• accesible only in the library

• a maximum of 5000 harvested files per site

Selective Harvests

• selective approach: • territory • language • autorship • topic/content

• curated resourses • crawled periodically (several frequencies) • communication with publishers • online access • cataloging

Topic Collections

• collection of resources which are related to certain event of topic

• for example: • presidential elections • floods • olympic games

Workflow

• selecting and evaluating

• contracting with publishers

• harvesting

• access and quality assurance

Software

• crawler: Hertrix

• access: Open Wayback

• web curator tool: WA admin

!

• https://github.com/WebArchivCZ/

Thank you for you attention. !!Barbora Bjačková barbora.bjackova@nkp.cz !Jaroslav Kvasnica jaroslav.kvasnica@nkp.cz

http://www.webarchiv.cz