Hi, Can you tell me how indexing takes place in lucene(Depth).if document has 1....n indices then which algorithm it uses,which information retrival model it uses... Thanks & Regards, Akil Ajani Cognizant Technology Solutions India Pvt. Ltd. Plot # 26, Rajiv Gandhi Infotech Park, MIDC Hinjewadi, Pune 411057 Tel: (91) (20) 40201100 ext 2825 Vnet: 22809 "Technical Skill is the mastery of complexity, while creativity is the mastery of simplicity." This e-mail and any files transmitted with it are for the sole use of the intended recipient(s) and may contain confidential and privileged information. If you are not the intended recipient, please contact the sender by reply e-mail and destroy all copies of the original message. Any unauthorised review, use, disclosure, dissemination, forwarding, printing or copying of this email or any action taken in reliance on this e-mail is strictly prohibited and may be unlawful. Visit us at http://www.cognizant.com