Any niche AEC search engines?

A Financial Times article describes how, while Google, Yahoo and others try to dominate mass-market search, smaller competitors are targeting niches that the big boys are ignoring. It gives two examples: Convera’s Excalibur is a white-label vertical search product aimed initially at media and publishing, health and life sciences and financial services; and Healthline, a vertical search engine for consumers looking for answers to medical queries.

If there are profits to be made in such vertical searches, will we see one focused on the architecture, engineering and construction (AEC) market? Or is that market just not profitable enough?

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