Arquivo.pt recommendations to improve the quality of online services This presentation provides an overview of the architecture and functioning of the system that supports the Arquivo.pt web archive. It shares the main lessons learned from the experience of developing and maintaining this service for 10 years. We believe that these recommendations can be useful to […]
Arquivo.pt launched a new version on June 23, 2017 called Venus, in which the Advanced Search operators were improved. It stands out the improvement of the search operator site that allows to restrict searches to certain preserved sites. For example: site:www.bbc.com Federer – search for preserved pages of the site www.bbc.com that contain the word […]
This report presents some of the work developed to create an efficient and effective web archive service, from data acquisition to user interface design. The results of this research were applied to create the Portuguese Web Archive that is publicly available since January 2010. It supports full-text search over 1 billion contents archived from 1996 […]
Data from April to June, 2011 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!
Data from April to June, 2011 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 […]
Talk about the evolution of Web characteristics, based on a scientific study performed by the Portuguese Web Archive. 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 […]