Google Inc.

Dan Blandford

Oren Eli Zamir

Sanaz Ahari

Troy L Walker

Radoslav M Kirov

Mehdi Sharifzadeh

Jeff Bergman

Methods, systems, and apparatus include computer programs encoded on a computer-readable storage medium for measuring lift. A method includes: receiving requests for content for which a first content item is an eligible content item; delivering the first content item along with a first pixel that identifies the delivery of the first content item to a first portion of the received requests; delivering a second, different content item along with a second pixel that identifies the non-delivery of the first content item to a second portion of the received plurality of requests rather than the first content item; evaluating searches performed by users that received the first content item as compared to users that received the second content item including using the first pixel and second pixel in evaluating search logs associated with search requests performed by users; and presenting lift data to a sponsor associated with the first content item.

Measuring search lift resulted by online advertisement

A disambiguation process is applied to query terms before they are used to select sponsored content. If a query term is identified as ambiguous it is replaced by phrases associated with the ambiguous term. The disambiguation process provides, as an output, these phrases for use in selecting sponsored content. One example method for identifying ambiguous query terms includes, for each of a plurality of unigrams, identifying phrases containing the unigram, measuring similarity between phrases for each pair of phrases containing the unigram and using the measured similarity to mark at least some of the plurality of unigrams as ambiguous.

Disambiguating keywords and other query terms used to select sponsored content

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Mountain View, CA, United States of America

Dan Blandford