Semantic Support

The Infinite graph implementation extends the Jena in-memory model, the Jena RDB model, and, the Jena SDB model to give the user an impression that memory is infinite. When we say memory is infinite we mean that we have moved the problem from memory space to disk space by making the disk space available to the application as virtual memory. To make use of disk as virtual memory we take nodes in the RDF graph and write them to disk in a lucene index. The nodes to be written to disk are selected based on the common memory management algorithms like FIFO, LIFO, LRU, and, MRU. Query retrieval times using the lucene index are an order of magnitude slower than pure memory solutions.

Developer : Vaibhav Khadilkar (PHD Student) - development sponsored by Maid2Clean


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