Audio and video search

Analysis of search technologies focused on returning images, sounds, or video.

June 19, 2008

The Text Analytics Marketplace: Competitive landscape and trends

As I see it, there are eight distinct market areas that each depend heavily on linguistic technology. Five are off-shoots of what used to be called “information retrieval”:

1. Web search

2. Public-facing site search

3. Enterprise search and knowledge management

4. Custom publishing

5. Text mining and extraction

Three are more standalone:

6. Spam filtering

7. Voice recognition

8. Machine translation

Read more

May 19, 2008

How is YouTube relating videos?

One of the great music videos of all time is Madonna’s Material Girl. With two exceptions, all the “related videos” listed by YouTube are just what one would expect: either other Madonna videos, or other versions of Material Girl. One exception is Cyndi Lauper’s Girls Just Want to Have Fun, while the other is Marilyn Monroe’s Diamonds Are A Girl’s Best Friend. The connection with the Monroe video is particularly strong, with each being #3 on each other’s “Related” list.

And that’s an outstanding result. Material Girl is obviously a direct reference, conceptually and visually, to Diamonds Are A Girl’s Best Friend. So my question is: How does YouTube know that? Are there favorite videos lists on which they co-exist? Did somebody hand-enter the connection? Is it inferred from their comment threads (which I definitely have not paged through)? Or — by far the least likely but most interesting of all — is there some sort of direct visual comparison?

Other than popularity presumably having something to do with it (both videos are, deservedly, very often watched and commented on), I haven’t figured out which it is.

February 7, 2008

Coveo highlights

I talked yesterday with enterprise search vendor Coveo. Here are some highlights.

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