Local elections ("autárquicas") were held in Portugal on 12 October 2025, and Arquivo.pt compiled a special collection of electoral content published on the web, resulting in 3.5 terabytes of information for research and academic work. 440 search terms were used to obtain 43,000 page addresses, along with the websites of parishes, municipalities, and political parties. […]
The interconnected nature of the World Wide Web has long fascinated researchers and technologists alike. Today, we are thrilled to announce the release of the Arquivo.pt Links dataset, a comprehensive collection that opens new possibilities for understanding and analyzing web connectivity patterns. The dataset encompasses more than 139 million webpage URLs, each accompanied by crucial […]
Arquivo.pt query logs are unique resources for research Arquivo.pt provides a “Google-like” service that enables searching pages and images collected from the web since the 1990s. Notice that Arquivo.pt search complements live-web search engines because it enables temporal search over information that is no longer available online on its original websites. Analyzing user behavior is […]
Artificial Intelligence (AI), covers various areas of knowledge, such as linguistics and computing, and is present in the new technologies used by citizens on a daily basis. For example, when we search for information on the Internet and the computer generates an amazingly accurate response, in a language very close to our own. Natural Language […]
Arquivo.pt preserved online documents in several languages about the 2019 European Parliamentary Elections The 2019 European Parliamentary Elections were an event of international relevance. The strategy to preserve the relevant information on the World Wide Web is delegated to national institutions. However, the preservation of web pages that document transnational events is not officially assigned. […]
(Photo: QuoteInspector) Since 2008 the cryptocurrency market has revolutionised the world by innovating and expanding into other areas (e.g., finance and art). However, with this rapid expansion, many projects are created every day, giving rise to a wide and varied range of websites, technologies and scams. Markets follow financing stages and it is during an […]
Arquivo.pt has been collaborating with Agência Modernização Administrativa (AMA) with the aim of improving the preservation of Public Administration websites. Collaboration is based on three action points: identification and collection of all Public Administration websites; integration of end-of-life websites into the Arquivo.pt Memorial service (eg. OTAN Medical Conference 2009); training in preserving open data published […]
An Updated Portrait of the Portuguese Web presented at EPIA 2009 The paper An Updated Portrait of the Portuguese Web, by João Miranda and Daniel Gomes, was presented at the 14th Portuguese Conference on Artificial Intelligence (EPIA 2009) in Aveiro. This paper presents a characterization of the Portuguese Web derived from a crawl performed by […]
Presentation about the Archive.pt service and the importance of web archiving to preserve the memory of Humanity. Presentation on Thursday 17:15 (13 November) in Lisbon at DLM Forum - Making the Information Governance Landscape in Europe See the DLM 2014 program Slides The Forum will be held at Instituto Superior Técnico. @dlmforum2014 #DLM2014
Web archiving contributes to empower open-access to science. There is a growing amount of open access scientific knowledge published on the Web. This video debates the importance of web archiving to empower open access to science. Watch video Download slides (PDF) See publications about the Portuguese Web Archive