Logical Semantics, Inc.

Logical Semantics, Inc. (LSI) was spun out of Indiana University in 2002. Headquartered in Indianapolis, the company was founded by Dr. Patrick Jamieson to apply computational linguistics and speech recognition to the problem of radiology documentation. The company has since developed the most advanced semantic knowledge base in radiology, and filed nine patents in the areas of knowledge representation, semantic search, and semantic speech recognition.

Logical Semantics Inc. is focused solely on the science of semantics and extracting knowledge from free text. LSI developed unique computational linguistic tools, and has built software applications using semantics including data mining in medicine, and real-time semantic speech recognition.

Process System for the Semantic Selection of Document Templates (US 7,492,949) issued on February 17, 2009.


Process and System for Semantically Recognizing, Correcting, and Suggesting Domain Specific Speech (US 7,383,172) issued on June 3, 2008.


Process and System for Updating Semantic Knowledge over a Computer Network (US 7,363,215) issued on April 22, 2008.


Process and System for Extracting the Semantics of Sentences in a Knowledge Domain. New methods in statistical NLP for semantic extraction.


Process and System for High Precision Coding of Free Text Documents against a Standard Lexicon. New method for automatically coding free text documents.


Process for Constructing a Semantic Knowledge Base Using a Document Corpus. New method for knowledge base construction using corpus linguistics and sentential logic.


Process and System for High Precision Semantic Document Retrieval. Method for improving search using semantics.


Process for improving the Quality of Documents using Semantic Analysis. Suggestion content improvements for new documents using semantics and expert systems.

 

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