<XML><RECORDS><RECORD><REFERENCE_TYPE>3</REFERENCE_TYPE><REFNUM>8542</REFNUM><AUTHORS><AUTHOR>Punitha,P.</AUTHOR><AUTHOR>Guru,D.S.</AUTHOR></AUTHORS><YEAR>2005</YEAR><TITLE>Concept of Direction of Reference and B- Tree for Preserving Spatial Relationships in Symbolic Images: An Invariant Approach Useful for Exact Match Retrieval</TITLE><PLACE_PUBLISHED>International Conference on Cognition and Recognition</PLACE_PUBLISHED><PUBLISHER>N/A</PUBLISHER><PAGES>283 - 290</PAGES><LABEL>Punitha:2005:8542</LABEL></RECORD></RECORDS></XML>