@Article{ManabeProximity,
  author = 	 {Tomohiro Manabe and Keishi Tajima},
  title = 	 {Heading-Aware Proximity Measure and Its Application to Web Search},
  journal = 	 {DBSJ Journal},
  year = 	 {2016},
  volume =	 {14},
  number =	 {2},
  pages = 	 {1-6},
  month =	 {March}
}