Improving contextual advertising matching by using Wikipedia thesaurus knowledge
|Improving contextual advertising matching by using Wikipedia thesaurus knowledge|
|Author(s)||Xu G., Wu Z., Li G., Chen E.|
|Published in||Knowledge and Information Systems|
|Keyword(s)||Contextual advertising, Similarity measure, Wikipedia|
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Improving contextual advertising matching by using Wikipedia thesaurus knowledge is a 2014 magazine article written in English by Xu G., Wu Z., Li G., Chen E. and published in Knowledge and Information Systems.
As a prevalent type of Web advertising, contextual advertising refers to the placement of the most relevant commercial ads within the content of a Web page, to provide a better user experience and as a result increase the user's ad-click rate. However, due to the intrinsic problems of homonymy and polysemy, the low intersection of keywords, and a lack of sufficient semantics, traditional keyword matching techniques are not able to effectively handle contextual matching and retrieve relevant ads for the user, resulting in an unsatisfactory performance in ad selection. In this paper, we introduce a new contextual advertising approach to overcome these problems, which uses Wikipedia thesaurus knowledge to enrich the semantic expression of a target page (or an ad). First, we map each page into a keyword vector, upon which two additional feature vectors, the Wikipedia concept and category vector derived from the Wikipedia thesaurus structure, are then constructed. Second, to determine the relevant ads for a given page, we propose a linear similarity fusion mechanism, which combines the above three feature vectors in a unified manner. Last, we validate our approach using a set of real ads, real pages along with the external Wikipedia thesaurus. The experimental results show that our approach outperforms the conventional contextual advertising matching approaches and can substantially improve the performance of ad selection. © 2014 Springer-Verlag London.
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