Abstract: Hotspot analysis systems and methods are provided. The hotspot analysis system includes a database, a filtering module, a clustering module, and an analysis module. The database includes a plurality of records, each including context information having at least time information and position information. The filtering module filters the records according to current context information to obtain a plurality of filtered records. The clustering module clusters the filtered records into at least one hotspot cluster according to the position information of the filtered records, and generates a hotspot area for each hotspot cluster. The analysis module calculates integral hotness for each hotspot cluster according to the number of the filtered records in the hotspot cluster and the size of the hotspot area of the hotspot cluster, and generates at least hotspot area information according to the integral hotness and the hotspot area of each hotspot cluster.

Abstract: An approach to measuring power consumption of multiple appliances adopts a transition probability to model the correlation and causality of appliance events caused by human behavior. The sequential order and relevance of using appliances can be taken into account. For instance, correlation between the use of (e.g., states of) different electrical appliances may be used.

Abstract: Hotspot analysis systems and methods are provided. The hotspot analysis system includes a database, a filtering module, a clustering module, and an analysis module. The database includes a plurality of records, each including context information having at least time information and position information. The filtering module filters the records according to current context information to obtain a plurality of filtered records. The clustering module clusters the filtered records into at least one hotspot cluster according to the position information of the filtered records, and generates a hotspot area for each hotspot cluster. The analysis module calculates integral hotness for each hotspot cluster according to the number of the filtered records in the hotspot cluster and the size of the hotspot area of the hotspot cluster, and generates at least hotspot area information according to the integral hotness and the hotspot area of each hotspot cluster.

Abstract: A system and method for distributed knowledge management. In one embodiment, the system includes a hosted application through which an entity administers a knowledge base (KB). An entity can be, for example, a manufacturer or a reseller of any kind. Administering a KB includes receiving a request for a knowledge item from a user of the system. A user can be an entity or a customer of an entity. Administering further includes responding to the request, which involves accessing knowledge items in at least one of multiple KBs that may be administered by multiple entities. Administering further includes publishing the request, which includes making the request and a response to the request selectively available to different users of the system based upon different levels of privilege assigned to each of the users of the system.