During this time, he was named President of the European Language Resources Association (ELRA) and was on the boards of several organizations including the ANFr, the IGN, the OST and INRIA.

Joseph's research activities mainly concern Human-Machine Communication, both spoken and written, within the domain of Natural Language Processing.

This evaluation paradigm allowed for the continuous improvement of speech processing and the eventual appearance of vocal assistants such as SIRI, Cortan, ECHO and Google Voice.

In 1994, with Robert Martin, then Director of the Institut National de la Langue Française (INaLF), he organized the first francophone open text evaluation for morphosyntactic analyzers of French text thanks to the support of two CNRS departments, the Humanities and Social Sciences and the Engineering Sciences.

Later he worked on the publication of the META-NET White Paper Series7 in order to establish an inventory of the resources available for French (dictionaries, grammars and programs).

Since 2010, he has worked on the automatic processing of regional languages8 and is interested in ethical problems related to the use of computers in daily life.

[3] It identified profound changes in research topics as well as in the emergence of a new generation of authors and the appearance of new publications around artificial intelligence, neural networks, machine learning, and word embedding.