Web Search Overview Crawling IR Other Media New applications increasingly involve new media e.g., video, photos, music, speech Like text, content is difficult to describe and compare text may be used to represent them (e.g. tags) IR approaches to search and evaluation are appropriate 10Web Search Overview & Crawling 10 Other Media ▪ New applications increasingly involve new media ▪ e.g., video, photos, music, speech ▪ Like text, content is difficult to describe and compare ▪ text may be used to represent them (e.g. tags) ▪ IR approaches to search and evaluation are appropriate IR