Istella22

The Istella22 dataset enables a fair evaluation of traditional Learning-To-Rank methods and Neural approaches based on pre-trained language models.

Istella LETOR

Datasets released to the public for NON COMMERCIAL USE and are particularly useful for large-scale experiments on the efficiency and scalability of LETOR solutions.

Open Data

Wiki projects have become an extraordinary source of information to compare and to enrich proprietary data, and to extract a powerful knowledge graph.

Multimedia

Istella provides a rich archive of multimedia assets collected continuously from selected quality sources through specialized crawlers.

Social Data

Social data are a powerful source of information to understand the behaviour of individuals, groups, and companies.

Web Data

Istella has developed a B2C search engine, investing on the creation of one of the largest Big Data hardware infrastructure in Europe.