<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div><br></div><div style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;"><div style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;"><div class="y_msg_container"><div id="yiv4794799600"><div><div style="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;"><div><div style="font-family: arial, helvetica, sans-serif; font-size: 13px;"><span style="font-size:10pt;">hello,</span><br></div><div style="font-family: arial, helvetica, sans-serif; font-size: 10pt;"><div style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;"><div class="yiv4794799600y_msg_container"><div id="yiv4794799600"><div style="font-family: arial, helvetica, sans-serif; font-size:
10pt;"><div><br></div><div style="background-color:transparent;">i am a student and i need help with postgis.</div><div style="background-color:transparent;">i want to implement a algorithm (<b style="font-size: 10pt; font-family: sans-serif; line-height: 19.1875px;">Yen's algorithm</b><span style="font-size: 10pt; font-family: sans-serif; line-height: 19.1875px;"> computes </span><i style="font-size: 10pt; font-family: sans-serif; line-height: 19.1875px;">K</i><span style="font-size: 10pt; font-family: sans-serif; line-height: 19.1875px;">-shortestpaths</span><span style="background-color:transparent;">).</span></div><div style="background-color:transparent;"><span style="background-color:transparent;">if can somebody help me ???</span></div><div style="background-color:transparent;"><span style="background-color:transparent;"><br></span></div><div style="background-color:transparent;"><span style="background-color:transparent;"> thank
you in avdance</span></div></div></div></div></div></div></div></div></div></div><br><br></div> </div> </div> </div></body></html>