The Links portal: Navigating over Linked Data

Presentation on theme: "The Links portal: Navigating over Linked Data"— Presentation transcript:

1 The Links portal: Navigating over Linked Data

2 以单实体为start point 以集合为start point

3 … 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)

4 … 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

5 当点击 缩小target entities时
Selected navigator： family children Tom, Jim ,… show all(4) spouse Linda Hamilton

6 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)

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) ….

8 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

9 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

10 找到 { ≥k p} 建立Concept Lattice  nested line diagram 选择Top-K