The Links portal: Navigating over Linked Data
以单实体为start point 以集合为start point
… All Links Link Patterns family Linda Hamilton , Tom, Jim, … show all(13) director&… Schindler's List, Ryan, Firelight, … show all(30) … place California, Los Angeles, Ohio, … show all(5)
… 当点击show all时 family Linda Hamilton , Tom, Jim, … show all(13) director&… Schindler's List, Ryan, Firelight, … show all(30) … place California, Los Angeles,… Ohio >>Hide Browse all
当点击 缩小target entities时 Selected navigator: family children Tom, Jim ,… show all(4) spouse Linda Hamilton
实体集(Spielberg导演的电影) … All Links Link Patterns (Min 5) producer Molen, Frank, Colin, … show all(5) cinematography&… Janusz, Allen, Jim, … show all(20) … distributor Paramount , DreamWorks, 20th , … show all(7)
… details (Min 5) producer Molen, Frank, Colin, … show all(5) cinematography&… Janusz, Allen, Jim, … show all(20) … distributor Paramount , DreamWorks, 20th , … show all(7) details Saving Private Ryan, War of the Worlds Paramount, DreamWorks ,…show all(4) ….
新的元素 Many to many (36) film is producer of (29) person (Min 5) producer Many to many (36) film is producer of (29) person Saving Private Ryan David Produced 3 films War of the Worlds Walter Produced 2 films … … Minority Report Phillips Produced 1films
在Spielberg导演的电影中,出品了k部电影以上的出品人有哪些? 在上例中 {David, Walter}出品了2部电影以上 问题:对于一个关系(属性)p, wk : ≥k p, 找到k,对 p 到达的实体集合进行划分 基于信息熵的最佳分类 ≥k p属性选择
找到 { ≥k p} 建立Concept Lattice nested line diagram 选择Top-K