-\bibcite{cheng2014achieving}{Cheng et\nobreakspace {}al., 2014}
-\bibcite{conti2014mobile}{Conti and Giordano, 2014}
-\bibcite{deschinkel2012column}{Deschinkel, 2012}
-\bibcite{idrees2014coverage}{Idrees et\nobreakspace {}al., 2014}
-\bibcite{li2013survey}{Li and Vasilakos, 2013}
-\bibcite{ling2009energy}{Ling and Znati, 2009}
-\bibcite{Sudip03}{Misra et\nobreakspace {}al., 2009}
-\bibcite{Nayak04}{Nayak and Stojmenovic, 2010}
-\bibcite{pedraza2006}{Pedraza et\nobreakspace {}al., 2006}
-\bibcite{qu2013distributed}{Qu and Georgakopoulos, 2013}
-\bibcite{raghunathan2002energy}{Raghunathan et\nobreakspace {}al., 2002}
-\bibcite{shi2009}{Shi et\nobreakspace {}al., 2009}
-\bibcite{varga}{Varga, 2003}
-\bibcite{vashistha2007energy}{Vashistha et\nobreakspace {}al., 2007}
-\bibcite{ChinhVu}{Vu et\nobreakspace {}al., 2006}
-\bibcite{xin2009area}{Xin et\nobreakspace {}al., 2009}
-\bibcite{xu2001geography}{Xu et\nobreakspace {}al., 2001}
-\bibcite{yang2014energy}{Yang et\nobreakspace {}al., 2014}
-\bibcite{Zhang05}{Zhang and Hou, 2005}
+\bibcite{ref17}{1}
+\bibcite{ref19}{2}
+\bibcite{berman04}{3}
+\bibcite{cardei2005improving}{4}
+\bibcite{cardei2005energy}{5}
+\bibcite{castano2013column}{6}
+\bibcite{conti2014mobile}{7}
+\bibcite{Deng2012}{8}
+\bibcite{deschinkel2012column}{9}
+\bibcite{DBLP:conf/hicss/HeinzelmanCB00}{10}
+\@writefile{toc}{\contentsline {section}{\numberline {6}\uppercase {Conclusion and future work}}{11}}
+\newlabel{sec:Conclusion and Future Works}{{6}{11}}
+\bibcite{idrees2014coverage}{11}
+\bibcite{jaggi2006}{12}
+\bibcite{kim2013maximum}{13}
+\bibcite{Kumar:2005}{14}
+\bibcite{li2013survey}{15}
+\bibcite{ling2009energy}{16}
+\bibcite{pujari2011high}{17}
+\bibcite{Misra}{18}
+\bibcite{Nayak04}{19}
+\bibcite{pc10}{20}
+\bibcite{pedraza2006}{21}
+\bibcite{qu2013distributed}{22}
+\bibcite{raghunathan2002energy}{23}
+\bibcite{ijcses11}{24}
+\bibcite{ref22}{25}
+\bibcite{rossi2012exact}{26}
+\bibcite{varga}{27}
+\bibcite{chin2007}{28}
+\bibcite{ChinhVu}{29}
+\bibcite{5714480}{30}
+\bibcite{xu2001geography}{31}
+\bibcite{yang2014novel}{32}
+\bibcite{yangnovel}{33}
+\bibcite{Yang2014}{34}
+\bibcite{Zhang05}{35}
+\bibcite{zorbas2010solving}{36}