Information tracing method and system

The invention relates to an information tracing method and system. The method comprises the following steps: sending pictures of each dishes served on the day to a user terminal for display; receivinga tracing request from users for a specified dish; retrieving raw material information of the specif...

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Bibliographische Detailangaben
1. Verfasser:	LENG QUAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CALCULATING COMPUTING COUNTING DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES PHYSICS SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:	The invention relates to an information tracing method and system. The method comprises the following steps: sending pictures of each dishes served on the day to a user terminal for display; receivinga tracing request from users for a specified dish; retrieving raw material information of the specified dish, sending the raw material information of the specified dish to the user terminal for display; receiving a tracing request from the users for a specified raw material; retrieving file information of the specified raw material, sending the file information to the user terminal for display, wherein the file information at least includes dealer information, supplier information, logistics time and place. According to the method and system, parents can trace the raw materials of the dishesserved daily in the school canteen. Thus, on the one hand, parents can grasp the source of the food, which facilitates investigation of causes and responsibility, and on the other hand, parents can know of nutrition matching s