What are the titles of the papers on Optimization approach that were published in Sensors in 2017?
In the year 2017 in Sensors, what are the titles of the research papers on Optimization approach?
SELECT DISTINCT ?answer WHERE { <https://dblp.org/rec/journals/sensors/WangC17> <https://dblp.org/rdf/schema#publishedIn> 'Sensors' . <https://dblp.org/rec/journals/sensors/WangC17> <https://dblp.org/rdf/schema#yearOfPublication> '2017' . <https://dblp.org/rec/journals/sensors/WangC17> <https://dblp.org/rdf/schema#title> ?answer }
<https://dblp.org/rec/journals/sensors/WangC17>