It has frequently been observed that most of the world’s data lies outside database systems. The reason is that database systems focus on structured data, leaving the unstructur...
Alon Y. Halevy, Oren Etzioni, AnHai Doan, Zachary ...
This paper is to investigate the group behavior patterns of search activities based on Web search history data, i.e., clickthrough data, to boost search performance. We propose a ...
: Most today's web sources do not provide suitable interfaces for software programs to interact with them. Many researchers have proposed highly effective techniques to addres...
Paula Montoto, Alberto Pan, Juan Raposo, Jos&eacut...
Web search engines often federate many user queries to relevant structured databases. For example, a product related query might be federated to a product database containing thei...
Semantic query optimization (SQO) has been proved to be quite useful in various applications (e.g., data integration, graphical query generators, caching, etc.) and has been extens...