International Business Machines Corporation

Bai Chen Deng

Li Ni Zhang

Zhong Su

Shiwan Zhao

Keke Cai

Xiaolu Zhang

Dongxu Duan

Lin Xu

Jing Sun

Feng Cheng Sun

An Chao Song

Qiang Li

Yue H Wang

Chuan Jie Zheng

Qiang B J Han

Yan Yan S Su

An aspect of performing logical validation on loaded data in a database includes a rule engine configured to, in response to an addition or update of a new rule for logical validation, determine a delta rule that includes a delta part of the new rule with respect to existing rules. An aspect also includes an object container containing object instances that have been validated using the existing rules. The object instance contains only data related to the existing rules and extracted from the database. An aspect further includes a validation engine configured to, upon determining that the delta rule relates to extra data other than the data contained in the object instance, extract the extra data from a database and add it to corresponding object instances, and use at least a part of the new rule to perform logical validation on the relevant object instances in the object container.

Performing logical validation on loaded data in a database

A method, system, and computer program product, include receiving a request for registration from a service provider, upon the service receiver having authorized the request for registration, registering characteristic information of the service call in a user device of a service receiver, and upon a lapse of time, deregistering the characteristic information from the user device.

System, method and computer program product for service call identification

Embodiments of the present disclosure relate to a CAPTCHA generation method. According to the method, a request for accessing a resource is received from a handheld touch screen device. A default virtual keyboard type is received from the handheld touch screen device. In response to the request, a CAPTCHA is generated based on the default virtual keyboard type. The CAPTCHA is sent to the handheld touch screen device.

Generation of a captcha on a handheld touch screen device

A method, system, and computer program product, include determining whether a service receiver has authorized a request for registration and upon the service receiver having authorized the request for registration, registering characteristic information of the service call for the service receiver.

A method, system, and computer program product, include receiving a request for registration from a service provider, the request for registration comprising characteristic information of a service call to be initiated, determining whether the service receiver has authorized the request for registration, and upon the service receiver having authorized the request for registration, registering the characteristic information of the service call for the service receiver to enable the identification of the service call.

Growing community of inventors

Beijing, China

Bai Chen Deng