DeepDyve Extends Search Queries To 5,000 Characters

by Laurie Sullivan, May 27, 2009, 7:15 AM

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The search engine DeepDyve.com will release a trio of free tools Wednesday that allows Web sites and blogs to display specific related results by inserting a few lines of code, as well as allowing users to search on large blocks of type to return more relevant searches.

The tools -- More Like This Content API, Content Highlight Widget, and WordPress Plug-In -- are integrated by copying and pasting a few lines of code into the site, or by installing a WordPress plug-in.

The More Like This Content API automatically displays results from DeepDyve that are similar to the information displayed on the page. The Content Highlight Widget lets sites integrate search with their users' normal reading and browsing behavior. Visitors can highlight any block of text up to 5,000 characters in length, and run that selection as a query with one click. DeepDyve's WordPress plug-in allows bloggers using the platform to include links to "related articles" directly in their blogs.

DeepDyve relies on algorithms that manage complex searches. The engine does not index words, but rather phrases one to 20 words in length. That provides enough information for the search engine to disregard PageRank, which typically helps determine relevancy. Once the search engine disregards PageRank, searchers find the most relevant documents at the top of the results query, rather than the most popular. Semantics, metadata and taxonomy also are not required.

William Park, DeepDyve CEO, says the company isn't trying to "out google Google," but rather focus on finding deep data for "knowledge workers" stored in databases accessible via the Internet. He estimates that worldwide, there are about 500 million of these technically savvy workers who rely on the Web for research. Roughly 50 million reside in the United States, he says, citing U.S. Census Bureau numbers.

"We want search to happen where the person is reading," Park says. "It doesn't have to happen at our search engine anymore. We'd love to have you come to our search engine, but we want to make search available to anyone who wants to use it, wherever they want to use it."

DeepDyve indexes a mix of publicly and privately available data. The company recently signed an agreement to index data from the American Association of Cancer Research, and the Association of Computing and Machinery. The plan is to launch a Chinese version of the search engine in about a month.

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