Business intelligence (BI) is a broad category of application programs and technologies for gathering, storing, analyzing, and providing access to data to help enterprise users make better business decisions. BI applications include the activities of decision support, query and reporting, online analytical processing (OLAP), statistical analysis, forecasting, and data mining.
www.sauder.ubc.ca/cgs/itm/itm_glossary.html
a popularized, umbrella term used to describe a set of concepts and methods to improve business decision making by using fact-based support systems. The term is sometimes used interchangeably with briefing books and executive information systems.
www.noisebetweenstations.com/personal/essays/metadata_glossary/metadata_glossary.html
Normally describes the result of in-depth analysis of detailed business data. Includes database and application technologies, as well as analysis practices. Sometimes used synonymously with "decision support," though business intelligence is technically much broader, potentially encompassing knowledge management, enterprise resource planning, and data mining, among other practices. ...
it.csumb.edu/departments/data/glossary.html
The knowledge derived from analyzing an organization's information.
planning.ucsc.edu/irps/dwh/DWHGLOSS.HTM
Business intelligence (BI) is the process of gathering information in the field of business. It can be described as the process of enhancing data into information and then into knowledge. Business intelligence is carried out to gain sustainable competitive advantage, and is a valuable core competence in some instances.
en.wikipedia.org/wiki/Business_intelligence
Business Intelligence is data orientated that is somehow related to the business with the purpose to support the process of decision making. Besides the Wikipedia definition, nobody relates it directly to the competitive environment.
Here you will find Definitions of Competitive Intelligence