Scientific study presents a search log analysis of a search engine

This research presents a characterization of the information-seeking behaviour of the users of a Portuguese web search engine, based on the analysis of its logs. The paper A Search Log Analysis of a Portuguese Web Search Engine, by Miguel Costa and Mário J. Silva, was presented at INForum 2010 - Simpósio de Informática, in Braga, […]

Technical report documents the creation of a searchable web archive

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 […]

Our beta-version search service was available 100% of the time

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!

93% of the searches are answered in less than 5 seconds

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 […]

Trends in the evolution of the Web: we have published a video about our study

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 […]