Computers understand very little of the meaning of human language. This profoundly limits
our ability to give instructions to computers, the ability of computers to explain their actions to …

Users may strive to formulate an adequate textual query for their information need. Search
engines assist the users by presenting query suggestions. To preserve the original search …

The Web and especially major Web search engines are essential tools in the quest to locate
online information for many people. This paper reports results from research that examines …

In this paper we propose a method that, given a query submitted to a search engine,
suggests a list of related queries. The related queries are based in previously issued …

Query suggestion plays an important role in improving the usability of search engines.
Although some recently proposed methods can make meaningful query suggestions by …

Relevance is the most important factor to assure users' satisfaction in search and the
success of a search engine heavily depends on its performance on relevance. It has been …

Query expansion has long been suggested as an effective way to resolve the short query
and word mismatching problems. A number of query expansion methods have been …

Search engines can record which documents were clicked for which query, and use these
query-document pairs as" soft" relevance judgments. However, compared to the true …

Automatically categorizing documents into pre-defined topic hierarchies or taxonomies is a
crucial step in knowledge and content management. Standard machine learning techniques …

Query logs record the queries and the actions of the users of search engines, and as such
they contain valuable information about the interests, the preferences, and the behavior of …