@article{weko_9921_1,
   author	 = "DerekJ.Corbett and Daniel,Cutting",
   title	 = "AD LOC: Collaborative Location-based Annotation",
   journal	 = "情報処理学会論文誌",
   year 	 = "2007",
   volume	 = "48",
   number	 = "6",
   pages	 = "2052--2064",
   month	 = "jun"
}