Last updated on September 29th, 2017 at 02:34 pm
This interface makes it easier to develop tools that use the Archive’s search features. The search results are returned in XML format (RSS 2.0).
Year: 2011
Scientific study analyses worldwide Web archiving initiatives
Last updated on August 9th, 2024 at 03:08 pm
The paper A survey on web archiving initiatives, by Daniel Gomes, João Miranda and Miguel Costa, was presented at the International Conference on Theory and Practice of Digital Libraries 2011, in Berlin, Germany.
Portuguese Web Archive available as open source
Last updated on September 29th, 2017 at 02:38 pm
The Portuguese Web Archive team has written over 72,000 lines of code to improve the tools provided by the Archive-access project.
The code is now available as a free open source project to be used and improved by the community.
We reached 1 200 million archived contents
Last updated on August 4th, 2024 at 06:18 pm
- We reached 1 200 million contents archived since 1996, 79% of them are indexed
- We save 62% of disk space by using DeDuplicator on our daily crawls
- We estimated to have disk space until 2017 to archive data and memory until 2014 to make it searchable
rARC service suspended
Last updated on September 29th, 2017 at 02:46 pm
The project for collaborative preservation named rARC started in 2007 within the Portuguese Web Archive.
Contributions:
- Successful proof of concept and project in production
- Master thesis of André Nogueira, Preservation of the Web through distributed large-scale replication, University of Lisbon
- Source code
- Page of the project
We thank all the contributors for their collaboration and support.
Our beta-version search service was available 100% of the time
Last updated on August 4th, 2024 at 06:19 pm
- Our search is supported by a distributed system composed by 111 multi-thread processes
- We have 61 computers:
- 1.8 TB of memory;
- 122 processors (488 cores);
- 348 hard discs (320 TB).
- Try our search ove the past!
93% of the searches are answered in less than 5 seconds
Last updated on August 4th, 2024 at 06:20 pm
- 93% of the full-text searches performed on the Portuguese Web Archive were responded in less than 5 seconds.
- 95% of the URL searches were answered in less than 5 seconds.
- 73% of the user clicks are on the first page of results.
- We wrote 72 000 lines of code to improve the original search system based on the Archive-access project.
- Try our search!
Video about the Portuguese Web Archive
Last updated on August 5th, 2024 at 10:54 am
The presentation focused on the following points:
- Motivation for the Web archiving topic
- Portuguese Web Archive project status report
- Services available to the community
Find out more:
Usability in practice: we have published a video about our experience
Last updated on December 20th, 2019 at 05:44 pm
The presentation focuses on the following points:
- What is usability?
- The Portuguese Web Archive
- Usability problems and development iterations
- Usability recommendations and user-centred design
Find out more:
Trends in the evolution of the Web: we have published a video about our study
Last updated on August 4th, 2024 at 06:21 pm
The presentation focuses on the following points:
- The Web
- Web Archiving and crawlers
- Web characteristics and its evolution within 5 years
- The importance of the study on Web trends in the design of tools that process its data
Find out more: