Justeus is an EU/HU law search application available at www.justeus.eu. The user interface is Hungarian for the time being. To register, only a valid e-mail adress is required; no personal data are asked for. To search in Justeus, you can type in words as in Google but there are many prepared lists on the left side to make a more precise and informed search available. When you find the documents you want, you can display them in separate tabs. The document texts have links to other documents, explained abbreviations and different language versions (EN, DE, FR, HU) can be viewed and compared. Everything we know about a document is presented in clear tables. Also, document connections (citations, actions like 'modified', 'rendered obsolete') are displayed in a network (usually simpler than that on that right side) so that you can identify core documents and surf on this network by opening connected documents in series or one-by-one. Justeus contains over 1 million EU documents and 150,000 Hungarian court decisions and is free at the moment.
We have developed an application aiming at federated search for EU and Hungarian legislation and jurisdiction. It now contains above 1 million documents, with daily updates. The database holds documents downloaded from the EU sources EUR-Lex and Curia Online as well as public jurisdiction documents from the Constitutional Court of Hungary and The National Office for The Judiciary. The application is termed Justeus. Justeus provides comprehensible search possibilities. Besides free text and metadata (dropdown list) searches, it features hierarchical data structures (concept hierarchy trees) of directory codes and classification as well as subject terms. Justeus collects all links of a particular document to other documents (court judgements citing other case law documents as well as legislation, national court decisions referring to EU regulation etc.) as tables and directed graph networks. Choosing a document, its relations to other documents are visualized in real time as a network. Network graphs help in identifying key documents influencing or referred by many other documents (legislative and/or jurisdictive) and sets of documents predominantly referring to each other (citation networks).