This paper describes the processes which led to the creation of an innovative interface to access a digital archive composed of two Swiss newspapers, namely Gazette de Lausanne (1798–1998) and Journal de Gen`eve (1826–1998). Based on several textual processing steps, including lexical indexation, n-grams computation and named entity recognition, a general purpose web-based application was designed and implemented ; it allows a large variety of users (e.g. historians, journalists, linguists and the general public) to explore different facets of about 4 million press articles spanning an almost 200 hundred years period.

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