Research Work For This Year Investigate queries with “GROUP BY” or “COUNT” over P2P network...

5
Research Work For This Year • Investigate queries with “GROUP BY” or “COUNT” over P2P network – E.g. Count the number of copies having some requested keyword over P2P network • Develop top-k queries over P2P network
  • date post

    20-Dec-2015
  • Category

    Documents

  • view

    220
  • download

    6

Transcript of Research Work For This Year Investigate queries with “GROUP BY” or “COUNT” over P2P network...

Page 1: Research Work For This Year Investigate queries with “GROUP BY” or “COUNT” over P2P network –E.g. Count the number of copies having some requested keyword.

Research Work For This Year

• Investigate queries with “GROUP BY” or “COUNT” over P2P network– E.g. Count the number of copies having some

requested keyword over P2P network

• Develop top-k queries over P2P network

Page 2: Research Work For This Year Investigate queries with “GROUP BY” or “COUNT” over P2P network –E.g. Count the number of copies having some requested keyword.

P2P Top K

2005/3/-

k messages

k messages

k messagesTop-k1

Top-k2

Top-k3

k messagesIf top-k2 is changed,

(1) return top-k2’. (2) wait reply.

Top-k2’

repeat

Top-k2’

Page 1.

Page 3: Research Work For This Year Investigate queries with “GROUP BY” or “COUNT” over P2P network –E.g. Count the number of copies having some requested keyword.

P2P Top K

2005/3/-

Top-k1 Top-k3

Top-k2’

Top-k2’

Page 2.

join

repeat

Top-k1’

join

repeat

Top-k

Page 4: Research Work For This Year Investigate queries with “GROUP BY” or “COUNT” over P2P network –E.g. Count the number of copies having some requested keyword.

P2P Top K

2005/3/-Page 3.

Top-k

Page 5: Research Work For This Year Investigate queries with “GROUP BY” or “COUNT” over P2P network –E.g. Count the number of copies having some requested keyword.

3月 25日 鍾葉青教授

4月 8日 王家祥教授

4月 22日 李政崑教授

5月 6日 許雅三教授

5月 20日 陳良弼教授

6月 3日 林華君教授

6月 17日 陳宜欣教授

(7月 1日 金仲達教授 )