Patents in the field of Text Data Mining

• Method and system for finding similar records in mixed free-text and structured data

• Method and system for identifying technology vacuum by using subject term of text mining of patent information

• Systems, tools, and methods for viewing textual documents, extracting knowledge therefrom and converting the knowledge into other forms of representation of the knowledge

• Data mining techniques for improving search relevance

• System and method for search and recommendation based on usage mining

• System and program for feature word extraction

• Annotation of inverted list text indexes using search queries

• Information processing system and method and computer program

• Information retrieval and text mining using distributed latent semantic indexing

• Text mining method

• Document analysis device, document analysis method, and computer program

• Systems and methods for generating prediction queries