callback( { "result":{ "query":"A* Parametric* Dataflow* Model* for* the* Speed* and* Distance* Monitoring* in* Novel* Train* Control* Systems*", "status":{ "@code":"200", "text":"OK" }, "time":{ "@unit":"msecs", "text":"128.43" }, "completions":{ "@total":"0", "@computed":"0", "@sent":"0" }, "hits":{ "@total":"0", "@computed":"0", "@sent":"0", "@first":"0"} } } )