With the popularity of both travel and Web, more and more people use online travel services to facilitate their travel activities or share their travel experiences. Considering th...
Background: Gene duplication events have played a significant role in genome evolution, particularly in plants. Exhaustive searches for all members of a known gene family as well ...
Business Intelligence (BI) applications allow their users to query, understand, and analyze existing data within their organizations in order to acquire useful knowledge, thus mak...
It is well known that transactional and analytical systems each require different database architecture. In general, the database structure of transactional systems is optimized f...
It is widely realized that the integration of database and information retrieval techniques will provide users with a wide range of high quality services. In this paper, we study ...
Bolin Ding, Jeffrey Xu Yu, Shan Wang, Lu Qin, Xiao...