发明名称 EXPLAIN TOOL FOR OPTIMIZING SPARQL QUERIES
摘要 As disclosed herein a method, executed by a computer, for enabling a SPARQL explain tool that provides query execution statistics via an explain plan includes initiating a database query comprising a SPARQL query pattern, optimizing the database query according to query semantics and database metadata to produce an optimized query, and generating an explain plan for the optimized query. The explain plan may include a sequence of operations and an execution time, an input, and an output for each operation of the sequence of operations. A computer system, and a computer program product corresponding to the method are also disclosed herein.
申请公布号 US2016267134(A1) 申请公布日期 2016.09.15
申请号 US201615072377 申请日期 2016.03.17
申请人 International Business Machines Corporation 发明人 Briggs Mario D.;Sahoo Priya R.
分类号 G06F17/30 主分类号 G06F17/30
代理机构 代理人
主权项 1. A method, executed by a computer, for enabling a SPARQL explain tool which provides query execution statistics via an explain plan, the method comprising: initiating a database query comprising a SPARQL query pattern; optimizing the database query according to query semantics and database metadata to produce an optimized query; and generating an explain plan from the optimized query, the explain plan comprising a sequence of operations and an execution time, an input, and an output for each operation of the sequence of operations.
地址 Armonk NY US