2DB2 text information extender. 2004. http://www-3.ibm.com/software/data/db2/extenders/textinformation/index.html
3SQL server full-text query. 2004. http://msdn.microsoft.com/library/default.asp-url=/library/en-us/architec/8_ar_sa2_0ehx.asp
4Halotia G, Hulgeri A, Nakhey C, Chakrabarti S, Sudar-Shan S. Keyword searching and browsing in databases using BANKS. In: Agrawal R, et al., eds. Proc. of the 18th Int'l Conf. on Data Engineering. San Jose: IEEE Press, 2002. 431-440.
5Agrawal S, Chaudhuri S, Das G. DBXplorer: A system for keyword-based search over relational databases. In: Agrawal R, et al., eds. Proc. of the 18th Int'l Conf. on Data Engineering. San Jose: IEEE Press, 2002. 5-16.
6Hristidis V, Papakonstantinou Y. DISCOVER: Keyword search in relational databases. In: Bernstein PA, et al., eds. Proc. of the 28th Int'l Conf. on Very Large Data Bases. Hong Kong: Morgan Kaufmann Publishers, 2002. 670-681.
7Hristidis V, Gravano L, Papakonstantinou Y. Efficient IR-style keyword search over relational databases. In: Freytag JC, et al., eds. Proc. of the 29th Int'l Conf. on Very Large Data Bases. Berlin: Morgan Kaufmann Publishers, 2003. 850-861.
8Su Q, Widom J. Indexing relational database content offline for efficient keyword-based search. Technical Report, Stanford: Stanford University, 2003. http://dbpubs.stanford.edu/pub/2003-13
9Balmin A, Hristidis V, Papakonstantinou Y. ObjectRank: Authority-Based keyword search in databases. In: Nascimento MA, et al., eds. Proc. of the 30th Int'l Conf. on Very Large Data Bases. Toronto: Morgan Kaufmann Publishers, 2004. 564-575.
10Goldman R, Shivakumar N, Venkatasubramanian S, Garcia-Molina H. Proximity search in databases. In: Gupta A, et al., eds. Proc. of the 24th Int'l Conf. on Very Large Data Bases. New York: Morgan Kaufmann Publishers, 1998. 564-575.