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SEWM2006??Web????

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Title: SEWM2006??Web????


1
SEWM2006??Web????
  • ???
  • ?????????

2
????
  • Web??????
  • CWT200g CWT20g
  • ????
  • ?????

3
????
  • ???????
  • ???????????????
  • ?????????????
  • ?????
  • ??????,??????,???,????
  • ?????
  • ??????
  • ????, ? P_at_n, R-P?

4
TREC?????
  • ?????????,?????????
  • ????????,???????????????,??????????????????
  • ?????????????????,?????????????????
  • ??????????????,???????,???????????????????

5
SEWM2006??Web????
  • ??
  • ???????????
  • ???????????,?????????
  • ???????????
  • ???????????
  • ??????????
  • ??????????????????????
  • ???CWT200g?CWT20g
  • ?????????????????????????????????????

6
????(Topic Distillation)
  • ????????????????
  • ????????????
  • ?????????????????????(?????????????)
  • ???????????,????????????????
  • ?????????
  • ??????????
  • ?????????????????

7
??????(Navigation search)
  • ????(Home Page finding,HP)
  • ??????????
  • ??????(Named Page finding,NP)
  • ???????????
  • ????
  • ?????????????????(MRR)

8
????
  • Web??????
  • CWT200g CWT20g
  • ????
  • ?????

9
???????
10
CWT200g/CWT20g???
  • CWT200g
  • ?????????2005?11??????627,036????????
  • ??197GB
  • ??29,100???,37,482,913???
  • ?????????, ???????
  • CWT20g???
  • ?CWT200g???????
  • ?CWT200g???????,??????

11
CWT200g??????-????
12
CWT200g??????-????(??)
  • ?????
  • ??????,????3?
  • ??????????,????
  • ?????????

13
CWT200g??????-????
  • ??MD5??(?????)
  • ??????
  • ??? ???
  • ???????
  • ???????????
  • ????????

14
TD????
  • lttopgt
  • ltnumgtNumberTD182
  • lttitlegt????lt/titlegt
  • ltdescgtDescription
  • ?????????,?????,???????????
  • lt/topgt

15
????????(HP/NP)
  • lttopgt
  • ltnumgtNumberNP878
  • lttitlegt?????lt/titlegt
  • lt/topgt
  • lttopgt
  • ltnumgtNumberNP815
  • lttitlegt??????????????lt/titlegt
  • lt/topgt

16
?????????
????????
pooling?????????
??????????
?????????, ???????
17
????
  • Web??????
  • CWT200g CWT20g
  • ????
  • ?????

18
2006?????????
TEAM NAME TD-RUNS (200g/20g) NPHP-RUNS (200g/20g)
????????? KSE 5/5 5/5
?????? DLUT 3/3 3/3
?????????????? IRSDU 0/1 0/2
19
?????????
20
????
  • TD????
  • P_at_10, R-P, bpref
  • ????
  • MRR

21
TD????
22
TD????
23
NPHP????
24
????
  • Web??????
  • CWT200g CWT20g
  • ????
  • ?????

25
??????
  • ???????????????
  • ??????????,????
  • ??????????????
  • 200G?20G?????????
  • ??????????????????

26
??????
  • ??????????????????
  • ??????????????
  • ??????,???????
  • ????,???????
  • ??????MAP?????
  • ????
  • ????????,?bpref

27
????!
28
NPHP????
29
????
  • P_at_10?R-P?MRR
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