http://www.ontotext.com/

Our technology delivers real-world applications for:

Semantic Web and Web Mining
Web Services and Enterprise Integration Applicarion
Knowledge Management and Text-mining
Business Intellligence and Media Research
Life Sciences

Ontotext is active in several reasearch areas, including:

Ontology Management and Reasoning
NLP, including Information Extraction and Revival (IE, IR)
Semantic Web Services
Semantic Repositories

Ontotext is a major co-developer of the most popular software platforms in these fields:

GATE, text engineering platform, from Univ. of Sheffiled
Sesame, an RDF database, developed by Aduna b.v.

Ontotext is a Sirma Group laboratory for scientific research and development of technologies for knowledge processing and representation (KR) and linguistics (CL/NLP). Ontotext has the vision, the ambition, and the human and financial resources to become a leading worldwide provider of software for Knowledge Management, Semantic Web, and Web Services. Ontotext is the most successful Bulgarian participant in research projects under the 6th Framework Program of the European Commission. Ontotext partners with prestigious European universities, institutes and research centers. The laboratory is the main software developer on several open-code projects (GATE, Sesame) - leading in their respective areas.

PrestoSpace - Preservation towards storage and access. Standardised Practices for Audiovisual Contents in Europe.
ISTWorld - The objective of the project is to set up and populate an information portal with innovative functionalities that helps to promote RTD competencies in IST in the New Member States (NMS) and Associate Candidate Countries (ACC) and facilitates and fosters the involvement of different research entities in joint RTD activities.
RASCALLI - Responsive Artificial Situated Cognitive Agents Living and Learning on the Internet.
SemanticGov - Providing Integrated Public Services to Citizens at the National and Pan-European level with the use of Emerging Semantic Web Technologies.
TAO - Transitioning Applications to Ontologies.
SUPER - Semantics Utilised for Process management within and between EnteRprises.
TripCom - Triple Space Communication.
MediaCampaign - Discovering, inter-relating and navigating cross-media campaign knowledge.

KIM Platform is a semantic search engine, using text analysis to provide hybrid queries involving structured data and inference.
WSMO Studio is a semantic web services (SWS) modelling environment
OWLIM is an industrial-scale semantic database, using Semantic Web standards for inference and integration/consolidation of heterogeneous data
wsmo4j is an API and a reference implementation for building SWS
PROTON - light-weght general-purpose upper-level ontology defining about 300 classes and 100 properties
ORDI means Ontology Representaton and Data Intergration middleware, which is intergrated with wsmo4j