While working with Big Data affords a lot of potential business value the complexity of building applications that manipulate all that information can be nothing short of daunting. Not only do most of the currently popular approaches require developers to master arcane interfaces such as MapReduce, the performance of the application tends to suffer under the weight of all the data that needs to be processed.
Semantic searching can retrieve results that surprise you, hopefully in a good way. So it seems like the natural means for discovery when you dont know what you want to find. Services like Jinni, a semantic discovery engine for movies and TV shows, is the perfect example.