中国科学技术大学：《信息检索与数据挖掘》课程教学资源（课件讲稿）第7章 相关反馈和查询扩展

信息检索与数据挖掘 2019/3/25 18 相关反馈的例子2： Image search engine http://nayana.ece.ucsb.edu/imsearch/imsearch.html New Page 1-Netscape ▣x File Edit View Go Bookmarks Iools Window Help http://nayana.ece.ucsb.edu/i Home Browsing and .. Shopping related 607,000 images are indexed and classified in the database Only One keyword is allowed!!! bik日 Search Designed by Baris Sumengen and Shawn Newsam Powered by JLAMP2000 (Java,Linux,Apache,Mysqi,Peri,Windows2000)

信息检索与数据挖掘 2019/3/25 18 相关反馈的例子2： • Image search engine http://nayana.ece.ucsb.edu/imsearch/imsearch.html

信息检索与数据挖掘 2019/3/25 19 首次查询的返回结果 Browse Search Prev Next Random (144473,16458) (144457,252140) (144456,262857) 144456,262863) (144457,252134) (144483,265154) 0.0 0.0 0.0 0.0 0.0 0,0 0.0 0.0 0.0 00 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 144483,264644) (144483,265153) 144518,257752) (144538,525937) (144456,249611) (144456,250064) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

信息检索与数据挖掘 2019/3/25 19 首次查询的返回结果

信息检索与数据挖掘 2019/3/25 20 相关反馈 绿框表示用户认为相关的结果 Browse Search Prev Next Random BIKING (144473,16458) (144457,252140) (144456,262857) (144456,262863) (144457,252134) (144483,265154) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 00 0.0 0.0 0.0 0.0 144483,264644) (144483,265153) (144518,257752) (144538,525937) 144456,249611) (144456,250064) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 00 0.0 0.0 0.0 0.0

信息检索与数据挖掘 2019/3/25 20 相关反馈 绿框表示用户认为相关的结果

信息检索与数据挖掘 2019/3/25 21 相关反馈后再次检索的结果 Browse Search Prev Next Random (144538,523493) 144538,523835) (144538,523529) (144456,253569) (144456,253568) (144538,523799) 0.54182 0.56319296 0.584279 0.64501 0.650275 0.66709197 0.231944 0.267304 0.280881 0.351395 0.411745 0.358033 0.309876 0.295889 0.303398 0.293615 0.23853 0.309059 re 144473,16249) 144456,249634) (144456,253693) 144473,16328) 144483,265264) 144478,512410) 0.6721 0.675018 0.676901 0.700339 0.70170796 0.70297 0.393922 0.4639 0.47645 0.309002 0.36176 0.469111 0.278178 0.211118 0.200451 0.391337 0.339948 0.233859

信息检索与数据挖掘 2019/3/25 21 相关反馈后再次检索的结果

信息检索与数据挖掘 2019/3/25 22 相关反馈的例子3：向量空间的例子：查询canine'” Canine ['kenaIn] ad.犬的；犬齿的；犬科的：似犬的 n.犬；[解剖犬齿 Source: Fernando Diaz ad hoc retrieval canine ●“canine" cat dog

信息检索与数据挖掘 2019/3/25 22 相关反馈的例子3：向量空间的例子: 查询“canine” Source: Fernando Díaz Canine ['kenaɪn] adj. 犬的；犬齿的；犬科的；似犬的 n. 犬；[解剖] 犬齿