Database operators provide professional services for professional information search, mainly providing various statistical data, documents, bibliographies, papers and periodicals classified by professional fields. After the user enters the database operator's website online with his user name and password and puts forward various requirements for the information he wants to retrieve, the database operator will return the retrieval results to the user in the way specified by the user. Database operators mainly earn income by collecting annual fees from development members and selling regular CDs and thematic tracking information.
Information consultants mainly provide strategic planning and decision-making consulting services for enterprises. Relying on massive information and powerful data mining capabilities, they can provide information support for different customers and different business areas, and can also conduct in-depth research on individual cases. At present, information consultants can only provide general case information, market forecast and general personnel training for enterprises on the Internet, but cannot participate in major strategic planning and decision support of enterprises. In addition to information consultants who provide business management consulting for enterprises, there are also information consultants who provide legal consulting, financial consulting and investment consulting services for enterprises and consumers.
The role of information publishing agent is equivalent to that of traditional information agent. They provide a convenient two-way information publishing environment for online transaction subjects, expand the selection range of transaction subjects and speed up the communication between the two parties. Information distribution agents mainly earn income by collecting annual fees and transaction matching fees from enterprise users, and establish a user base for individual users in a free way.