1. A method to provide semantic cache cloud services to connected devices, comprising: receiving, by a caching reverse proxy server, web traffic from semantic device applications; selectively filtering the received web traffic using dynamically created and updated lists of semantic web linked data namespaces based on global public and private data registries; automatically registering semantic objects representing semantic devices and semantic device applications into a public cached namespace, a private shadow namespace that is a shadow copy of the public cached namespace, and an activated private Q-context namespace that is a secure namespace, opaque to users, wherein: the private shadow namespace includes each of the semantic objects automatically instrumented by a time, a location, and a context, and the activated private Q-context namespace includes a Q-context that defines Q-context assertions, queries, and rules relevant to each of the instrumented semantic objects; recording the time, the location, and the context for each of the semantic objects; and coordinating and synchronizing the semantic objects within a semantic object plexus representing cooperating semantic devices and semantic device applications by applying the Q-context assertions, the queries, and the rules defined via Q-context processing for an interlock.