Researcher

Salim Roukos

Salim Roukos earned his doctorate in 1980 and worked at BBN through 1989. His projects covered speech compression, speaker identification, word spotting and spoken language understanding. Roukos joined IBM in 1989. His group developed the IBM ViaVoice Telephony statistical language-understanding system in 2000, applying machine learning research to conversational telephone applications. His group developed an Arabic-English statistical translation product in 2003 and later real-time translation services. His group also worked on statistical parsing, translation and the BLEU evaluation metric.

Now at
IBM
Works
206
Citations
26,070
h-index
37

Publication numbers from OpenAlex, as of 14 October 2026.

Timeline

  1. 1980–1989

    Speech research at BBN

    Salim Roukos earned his doctorate in 1980 and worked at BBN through 1989. His projects covered speech compression, speaker identification, word spotting and spoken language understanding.

  2. 1989–2000

    IBM language understanding

    Roukos joined IBM in 1989. His group developed the IBM ViaVoice Telephony statistical language-understanding system in 2000, applying machine learning research to conversational telephone applications.

  3. 2003 and later

    Translation systems

    His group developed an Arabic-English statistical translation product in 2003 and later real-time translation services. His group also worked on statistical parsing, translation and the BLEU evaluation metric.

Sources and credits

Photo: We have no published photo of Salim Roukos yet. Send us a free-licensed photo.

  1. Cognitive Computing - An NLP Renaissance! - Salim Roukos (IBM T.J Watson Research Center) - Center for Language and Speech Processing (https://www.clsp.jhu.edu/events/cognitive-com clsp.jhu.edu. Checked 13 October 2026.