What’s Up at Yahoo?

I have a personal policy of not investing in companies in the tech industry (I own some Microsoft stock, but that’s just cause I’m too lazy to sell it) but if I did I’d be buying some Yahoo tonight.
I met several employees, including Jeff Weiner, executive vice president, and they were more upbeat about the company’s prospects than I’ve seen from Yahooians in years.
Now, you might say that’s their job, but I’ve been around the block a few times and I think it’s all due to one thing: Jerry Yang is back.

What Semantic Search is Not

You may have heard the term "semantic search," but do you really know what it is? Some people have very big ideas of how computers will understand the meaning of text, but today’s semantic search falls far short of that. Regardless, what’s possible today is still very useful.

To understand how hard it is for computers to really understand the meaning of text, let’s not look at understanding entire documents or even paragraphs. Let’s not even look at sentences. No, let’s start with something extremely simple: noun phrases.

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