Co-optimization of multiple relevance metrics in web search

Search engines play a crucial role in our daily lives. Relevance is the core problem of a commercial search engine. It has attracted thousands of researchers from both academia and industry and has been studied for decades. Relevance in a modern search ...

In an Internet search, the user uses a query language to describe the nature of documents, and in response, a search engine locates the documents that "best match" the description. A number of search engines are available to Internet users today and ...

In web search, relevance ranking of popular pages is relatively easy, because of the inclusion of strong signals such as anchor text and search log data. In contrast, with less popular pages, relevance ranking becomes very challenging due to a lack of ...