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Synonyms and Polysemes

Thursday, 17 May 2007

New search technologies could see common problems consigned to the past, according to Business Standard. Synonymy - using different words for the same object, in addition to Polysemy - when a word has multiple meanings, cause many problems for search engines including Google if you ever watch their engineering videos. Have you ever noticed those  'did you mean?' split page results in Google, that is because of polysemes which are much more tricky to fix than synonyms, especially when users don't add extra search words that help give them context.

Polysemes:

    salsa -- sauce?
    |
    dance?

Synonyms:

    recruitment | employment |  jobs |  job

But new artificial intelligence from Sobha Renaissance Information Technology (SRIT) will examine search terms based on context rather than the words itself, so 'heart surgery' would produce results on angioplasty and vascular surgery results - effectively understanding what the user wants.

This is done using the Latent Metonymical Analysis and Indexing algorithm - a strong advantage, according to Syed Yasin, R&D project head of SRIT.

"This is a powerful feature wherein a machine behaves like an expert, although not to an accuracy of 100 per cent," he said.

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