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楼主 |
发表于 2008-3-18 13:10:54
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你好,这是我现在正在写着的程序,以上问题就在其中,请多指教
d8 |3 Z! N( K" L) Kglobals[
; ~4 [5 j: u! e) A) S" t/ p$ Oxmax' \; J0 X7 y+ F- Q* |, x9 N* s
ymax, K+ x. q' |1 [& F0 J2 e( A0 g
global-reputation-list
5 b9 Q2 N4 \3 l+ N# A% p7 s( G1 z
;;每一个turtle的全局声誉都存在此LIST中
0 S8 I8 i9 f0 w7 d" |8 Y7 Icredibility-list
% f" ?- D# u# Q* q$ g( @/ Z;;每一个turtle的评价可信度
$ T2 ^6 A8 }& r4 z: Shonest-service# l. d* B* s8 Y
unhonest-service* C. f- W' x$ u6 @2 U- V4 |' x7 |
oscillation
, F+ x7 l6 G/ K/ xrand-dynamic
% O) ]: K. V& l5 O2 d]
9 C9 a! @2 z* Q# j* N6 P7 x& a$ x- Q! V' y" E* l6 z+ c
turtles-own[
8 T5 T2 r, c' M) T. B& u3 strade-record-all
2 I1 v' G; r/ p;;a list of lists,由trade-record-one组成
) d6 `: m a4 J2 P) W Utrade-record-one
+ `5 q- `4 l _9 E;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录4 A2 T" X3 W- n9 z6 J3 G8 D
7 ~" P' ^- o2 a, S4 P- U+ G;;[对方turtle的编号,交易总次数,交易总金额,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]]
8 B% u' Y$ [+ v, b& Htrade-record-current;;list,trade-record-one中的这个list,作为暂存用,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]
& \$ l2 D# Z$ g% A" ncredibility-receive ;;list,他每个turtle还需要有一个存储其他turtle对其评价质量进行评价的list
% T a% _9 v. l4 H& d3 Vneighbor-total5 X, |' u7 q; j5 U* w
;;记录该turtle的邻居节点的数目
9 F" X7 ]$ O* T R% N) Ytrade-time$ D' k- S$ S+ F( b
;;当前发生交易的turtle的交易时间" g# L, Z6 @% l* B( o/ t
appraise-give$ E8 ~% J7 J3 m) d5 l- Y
;;当前发生交易时给出的评价; k- l# v9 s8 v% N! C& @
appraise-receive; T, J" C4 C9 F. h5 S
;;当前发生交易时收到的评价
- c+ K! b) A- K" ?: y& tappraise-time
, l! g" M1 j8 B7 i$ `6 \;;当前发生交易时的评价时间
' Y7 i0 o" x {! t9 ]5 l+ r1 j5 Olocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
C$ h5 d; o( R! K7 |6 Rtrade-times-total
( s; C( l, P! \9 I1 u;;与当前turtle的交易总次数! D$ g' Q+ Y7 d7 c7 n8 J
trade-money-total
: ]: }8 B9 Z5 E;;与当前turtle的交易总金额; o& f* z. f8 }9 Y6 p" X$ s
local-reputation; M( h/ n/ c4 C& J4 k
global-reputation9 k( T" {: n; f- C
credibility
% n6 I$ O0 O& v2 n6 p! t0 x;;评价可信度,每次交易后都需要更新
& k/ x2 l7 B7 N* ?9 Ccredibility-all) n2 ]5 G6 }* d. t9 k" M' g
;;a list of lists,由credibility-one组成。[[1对j的评价质量的评价][2对j的评价质量的评价]……[i对j的评价质量的评价]……],其中一共有people项,根据
/ P7 B1 B6 m1 E4 @* c4 v/ k! y% m$ y3 _+ I: r5 \
;;turtle的编号对号入座,对于其自身的编号,在计算用到的时候再进行剔减,初始值均为0.5" Z! W- _' R- ~
credibility-one
! _4 }' w0 d+ I; i; r;;a list [i对j给1的评价的质量评价,i对j给2的评价的质量评价……],其中一共有people项
) U8 E: O1 F7 a: zglobal-proportion
' c* D% X- r+ u: p7 {, {! [customer
- d; |7 J2 H& f; ?' [# C& l& qcustomer-no1 M' z8 w8 m f; \' r
trust-ok
# y6 `) S5 o) j1 g% e. G8 R3 ktrade-record-one-len;;trade-record-one的长度
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( [' T- H+ j0 Z/ E' J;;setup procedure
% C3 m# o7 T: f3 @
. D/ W6 c4 _0 s. zto setup
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ca
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0 Y* ]* g5 w Y6 G' G: X4 rinitialize-settings! s* A" h, i4 T( ^" [& w+ Q
- g4 a9 g8 w6 m8 T# @2 ?crt people [setup-turtles]$ |" f( G( f3 p. z4 G% b
. c% f2 @/ r3 R1 ~8 ]reset-timer8 A0 A2 S: y1 J2 R+ [% }3 A0 X1 E; a
" O- c2 ?' E, e. q8 ?) W$ M7 i
poll-class3 |( V- B. S- F* C' Q
& g1 K5 @; N) {$ B9 s! gsetup-plots
& O% c+ X* w# a( r4 _
$ j3 C1 s0 D# m3 Tdo-plots7 P; A5 u5 Q& i4 B
end' D) C7 k' q* J i& H9 O' a" F( b% S
5 ~7 O' D7 L2 L# `
to initialize-settings l, {: [5 f: h1 a3 V+ J+ N& V2 ]
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set global-reputation-list []3 A0 f0 @3 M* C
y" ~' g Q. K# f5 Iset credibility-list n-values people [0.5]8 j2 `( y" ^0 q/ G# X+ T- a2 j
2 k2 ~, u: Y$ [, Fset honest-service 0; G8 A5 a' l2 I- O3 Y% Q
: e; B( ~* e2 Z! h: G9 [set unhonest-service 0
( r. P1 y# x9 b7 _1 a: S+ C1 K, U: Y, M# H
set oscillation 0
" {' Z/ p* {( ^9 k$ L P/ V! C
! u! D- P! A: l9 u6 d) W" Oset rand-dynamic 0! ?/ a3 q' @) y+ l9 Q
end0 K) \) S, v6 c$ u
8 u# T/ e/ k9 q$ x
to setup-turtles 0 b) n! Y& p6 {0 d5 E6 _
set shape "person"% m9 S( r ]) L) ]8 I, c
setxy random-xcor random-ycor
) B+ Y. J4 M( Y4 B% w1 qset trade-record-one []6 k% ?2 C' I8 ^
8 \0 q r' _2 A5 Y- N# Y! y+ ]set trade-record-all n-values people [(list (? + 1) 0 0)] 5 ~6 y- X j9 ]3 O9 w8 t
# m2 t8 u% v% ]set trade-record-current [], J8 s8 }( e7 S
set credibility-receive []: A8 n: k$ P9 X( p, v+ x
set local-reputation 0.5
" G! x7 [2 l( \- y) p9 ]set neighbor-total 0
4 j" c0 ` Z$ ~0 g0 s$ M/ cset trade-times-total 08 I; j5 K- _/ \
set trade-money-total 0+ @5 E6 P [" }) Y- E% ]0 O, R
set customer nobody
. \- s% Z2 [& O* ^set credibility-all n-values people [creat-credibility]
8 ~2 u G' R/ V: S$ `set credibility n-values people [-1]
5 ]6 l4 j+ _7 \, B4 u3 Qget-color
8 k$ X8 V# M$ l- n* B
8 f; Q# B8 K+ C+ o1 p" Gend
) A+ }$ O% ?7 r8 W& x. l
% m0 O' u5 y" [to-report creat-credibility
4 `5 Y, E5 z9 r$ t4 ureport n-values people [0.5]
: ]" Z) q I" oend
( w* A( n, g/ d( y5 B; |
7 b& A: J2 w4 D- \1 kto setup-plots
) W! i; _2 E5 C+ V9 g x0 X, k! v" U% M+ e3 N& d& H5 b
set xmax 30
. V2 J8 W) F+ [" o! b1 F# T9 n" [; h g0 y. L. R* m. l
set ymax 1.0/ i6 }( R% Y! A5 J
: p) O) t, y7 V3 [5 f& c* w
clear-all-plots. A( y# i7 Z- z. A5 G
+ p( j; W, O9 l8 b& Q I0 S+ q) Asetup-plot1
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setup-plot26 g; Y0 k+ p7 G% H/ j9 e' H
" a3 i) @+ z ?. u6 B8 H x
setup-plot3
. M: e, ^7 N# ~& ?6 ~- Jend
4 C% m2 h( P8 L1 p/ |. P9 V$ {; v, [+ E6 L: h
;;run time procedures
4 j- {+ A8 Q, l
/ k- T6 R |' M, x" F! s0 ito go
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ask turtles [do-business]
6 g! W+ @- p. m3 a. hend
; A1 C, s! Y, F- M1 B# j( C$ J9 x8 Z3 Y- [6 C9 ?3 a
to do-business b: W e8 S5 `
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+ x0 V3 f" A& Q* ~3 O! |3 F! zrt random 360
N) L; D! `* q: z0 R O
, {" F C0 B2 E( S9 P) I5 x( Afd 1
3 \* _6 B" ^# E/ ?0 D& y6 {
, R- v$ s- N4 E( Y8 [1 Aifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here1 a: E1 @* S) y, M" ~4 N5 _8 C( l
7 A6 H% U3 J6 u- ^6 A8 D
;; set [customer] of customer myself( \8 R- G Z6 T" O+ ^1 ? y1 _
/ z$ i1 Y8 t7 ?$ ?2 p
set [trade-record-one] of self item (([who] of customer) - 1)% i6 H$ W' I9 @9 ?; W M! R/ j1 F
[trade-record-all]of self
# `0 x# B+ E+ _: E+ K/ U: s) n# {;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self' a/ Q% \2 `) r- z# |& F
- {; C6 p9 l& L+ R1 Y5 H7 B5 rset [trade-record-one] of customer item (([who] of self) - 1), J: N* V' ~0 Q; q3 |) V2 }. H
[trade-record-all]of customer( M8 s2 N. V2 I: P# x' a
$ O- L4 i+ S# V% J& o7 [/ B$ _
set [trade-record-one-len] of self length [trade-record-one] of self! R `, B f7 q. Q
0 \1 a3 E& D- W% k, t! V
set trade-record-current( list (timer) (random money-upper-limit))
. I8 Q* ^2 C. t _; ?9 v/ p* [: d# q! g+ S) S; e; u
ask self [do-trust]
( r5 _! Y- h% `# ~: F& l2 ^;;先求i对j的信任度
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if ([trust-ok] of self)
6 ]2 Z3 `* d1 k8 I ]8 Z;;根据i对j的信任度来决定是否与j进行交易[
. O6 a7 R8 Q% y6 G: \8 V* u! Oask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself8 P+ Y- a, t& A1 u M
0 F* L6 N0 X$ P/ }7 E
[( y2 d9 |1 O1 e' _6 R/ l
/ C- x6 _" ~9 {# S/ V7 qdo-trade
- O: W* Q% B! C6 A7 w; _4 o. V0 {
0 k: g$ v, X b9 `' U @5 n0 Wupdate-credibility-ijl2 Y4 \" ^- ^( P# K! C' W, R
4 B6 b8 l, V {! a5 N m
update-credibility-list
( J U3 T% _! q0 c, s( H6 R
% M E, M) |& m+ Q% { \2 {) V
4 b3 D. b1 F# ^6 I# x; Y8 bupdate-global-reputation-list9 X" d( Y# g7 O( ?" Y
2 ~: D. O# p; t# Z
poll-class
$ I4 s) y! j" K. ]4 [ ~
% K9 [3 O" C7 n4 u) c" pget-color
8 M! n& ~$ s6 b2 ?. U @4 _3 f* b' i* u. ~$ K; Z; B* r
]]
5 q% [/ z( v3 P- V* Z w6 j/ R( [" S
;;如果所得的信任度满足条件,则进行交易
1 r: n# z% P, n
1 a N( h, x% ^[. F/ c! k& ]% `3 l- Z( I
" Y9 P$ B* Q) [" ? D4 h
rt random 360/ P! E& |& `) p) M0 f# ?3 t1 a
. B" H* a- d0 l. k
fd 1
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]! C8 S r# B. v( l2 t& X
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end8 E" T2 Z6 c. G z# L7 y. I
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to do-trust 0 Z. G! t0 g% L3 H
set trust-ok False1 D1 S( _; h5 v( u$ q7 u
3 ]) h4 Q! ^4 O4 I0 _2 N, r" s0 m5 C6 m! A
let max-trade-times 09 t X2 {6 A1 z0 \# |6 j
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]/ T1 ~% V- R- a# \6 }
let max-trade-money 0
$ d9 K) U- B3 }( y& s# }foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]6 n$ Y4 a- X* T
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
1 n; K8 w* V! }- u7 _* G: y: h7 {$ |" s$ B# _
8 ^. Y. }" `- V. B* L
get-global-proportion7 d( z" h: @$ n k, h
let trust-value
. ^( t. e7 R+ `8 N: Elocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)8 z4 U( L0 k5 z; b! X7 @; Z
if(trust-value > trade-trust-value)! I( I- ]7 |0 k9 G) B. R
[set trust-ok true]! @3 x+ C: e: z9 _. X% s
end9 J6 Z: Q2 E! Q6 x1 X1 o L {7 ]5 a1 D
1 W# S( R/ K$ f1 b
to get-global-proportion# {0 A6 e; D6 b
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)8 Y0 J' t( t5 R$ c
[set global-proportion 0]
& O9 t4 n3 \+ A# P5 T6 A[let i 03 A' i9 m, k# _+ V6 u( Q. n' {
let sum-money 0
! l8 N7 Z: o0 ]$ jwhile[ i < people]
' w4 |# U q6 h# q4 p" i$ g[
5 D2 Q2 H. j0 I% B" kif( length (item i
4 v m/ x. w# @# g& W: E8 Y[trade-record-all] of customer) > 3 )
2 r. z6 W+ A8 q& v3 K O% J[, b% p: a9 T" I8 j; |
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
6 r/ }! W0 Q- T5 Y]0 a5 i( x" y# }; ~0 F5 J( I6 G
]9 T% }8 |4 }! t5 |
let j 0/ O5 q1 n3 C* a2 w6 i
let note 0; h6 W; ^& I8 i9 ]7 L3 q
while[ j < people]
% \) D) J7 m ?5 }7 a H[& i% E/ P' \4 |2 U
if( length (item i& c6 z! B/ a# m8 y
[trade-record-all] of customer) > 3 )
7 Q* p! V- m& |1 o& q; g/ z[# i2 B* w+ ~6 `1 {6 n% h. |* y5 w1 V
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1): w# x. ^2 H! F; {
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
5 k& l0 k$ W1 N7 |$ E( Y0 Z[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]+ H, c$ M V8 `2 X' u
]
7 V, Y6 B4 Z- e% B2 Z* G]
) g; e) @2 a5 J% E( {' vset global-proportion note
# w W, ]# z% _; E- o( X0 s! y$ \9 K6 d]
* m7 ]8 j# j1 Hend
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to do-trade
( w8 L4 E3 [5 {. B) O: S;;这个过程实际上是给双方作出评价的过程/ G* i, `2 t5 W4 V% F7 K
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
$ K; n; t4 @. E T. H: uset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
# f7 q# W7 o$ E3 [; B0 D; a- b7 ?set trade-record-current lput(timer) trade-record-current
2 c7 A6 t% N' p3 _( j;;评价时间
8 C; Y, i3 w2 a; Z# Oask myself [6 S, p/ r, |+ {! c; t! [
update-local-reputation" A3 E2 |& f) r/ l5 Q* T
set trade-record-current lput([local-reputation] of myself) trade-record-current8 H1 z( \' F3 S( S0 `/ [
]
3 E9 W6 C0 \9 N: Bset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself; a D3 {- u9 A
;;将此次交易的记录加入到trade-record-one中
7 X3 H* w6 {: w; m+ A9 E3 ]1 ~( Bset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
, H& c3 F& v p) C+ o2 X# }. d! Zlet note (item 2 trade-record-current )% A' r* U @9 d3 h
set trade-record-current
& V5 {. u. G8 J$ H H4 ^0 M(replace-item 2 trade-record-current (item 3 trade-record-current))
' H- S& g+ F# u7 Vset trade-record-current
. E0 r* i, Y0 R6 q: a(replace-item 3 trade-record-current note)
0 s2 t) |% ^1 r w5 {9 @; ^3 V
, _; W8 J, ~) O3 ]+ n7 V$ Y3 A9 e, j
ask customer [2 n5 u F- n/ a- y' V* Z
update-local-reputation8 z) D5 e8 Z9 }. Y# h' U4 u4 H$ F
set trade-record-current
* I k- z$ n: `6 a/ {. N(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
9 K/ a& _& c( {- `/ B1 V]* m$ H( Y7 t( h. c. l' C# h3 m
" `. J$ n8 y1 u1 g( }! W
" y* `. @ T( O$ f# v- m' F( j! Kset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
/ E0 h- t! j m) P) D) w1 y3 y$ H; |4 {$ V" a
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))# p, ~, Z1 G% a J- o. D1 t: e
;;将此次交易的记录加入到customer的trade-record-all中
% g9 j1 }; X! Z1 ]; Mend7 D0 \0 x+ T9 b5 A z
8 C* G5 c- N1 C, Q% \
to update-local-reputation: o* l0 F# U: j. l+ J
set [trade-record-one-len] of myself length [trade-record-one] of myself
- T7 w+ R6 Z V* o! g0 R, b
' Y# P' k+ } y8 O# C) Z3 s
1 x# ]/ f7 J9 W0 Y7 R, p8 a8 W; e;;if [trade-record-one-len] of myself > 3 4 d) ~, _( o( L$ Y* L" L% u* {
update-neighbor-total( h7 d0 \# `2 K* f3 J
;;更新邻居节点的数目,在此进行- { Y5 [' {. N* r
let i 3
. s% [. L5 `9 ?) j( G8 [let sum-time 0% O( A. V4 {6 ~) N4 N
while[i < [trade-record-one-len] of myself]; u6 }# O0 r6 k5 \
[
2 n1 p3 o1 }* J0 D6 ]set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
, W; Y) z4 w" p7 e2 {8 n0 uset i
3 y ]) C2 t6 q" @- c1 e7 L* a( i + 1)
4 {6 ^$ z v8 c* I1 @$ D/ g7 r z' J. I]: |8 R- h, _2 I! ~0 C2 k
let j 3
# q: E4 c# q0 B2 X& Nlet sum-money 0- k, H6 x. ^5 v5 w" c! ~
while[j < [trade-record-one-len] of myself]
3 Z; R6 q2 b+ {* O- I: |( ?[5 o M$ X) l$ P! ]
set sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
* ?4 |7 F7 E( Vset j8 o# \9 q/ [9 G9 O- M; E8 `
( j + 1)' l: |* g+ @: n% x" Q- q. ?9 n
]
! T6 Q- ?" F! n5 b, C( m: |% U' {1 o) ulet k 3( Z) m% T/ y H, \0 O
let power 0
' f7 m; H' r u- O9 q' nlet local 09 z" A* H/ h/ \2 B* B2 G; t
while [k <[trade-record-one-len] of myself]
8 G( x% K8 [# a& q8 h[
+ Z$ d) p: j/ p6 x" S% ^0 gset local (local + (item 0 (item k [trade-record-one] of myself)) * (item 1 (item k [trade-record-one] of myself)) * (item 2 (item k [trade-record-one] of myself)) / sum-time / sum-money)
2 x7 m0 X4 u* Vset k (k + 1)
, t8 h1 T4 T# Q' X% y/ _1 d]( Y6 u4 m. G8 U2 K$ V
set [local-reputation] of myself (local)$ L" i# m2 r# g. h6 u% A: o+ z
end
& x: Y2 Z; o+ B
1 i' ]* r2 F+ Q4 ~" v0 g. `5 c. jto update-neighbor-total
4 E/ y6 F f$ @! }' b' L( Z. a0 S0 e4 K) g: m
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]2 j( n2 }# d- l) @) j
0 s8 A7 n( k( ~+ ^( z' }) N1 e# g* ?% x c8 j# d
end" U4 P) j5 _# f# F" o
' E, E. I: P6 }
to update-credibility-ijl
6 ]0 \% o. t3 S9 H% o H: y+ [3 T, E% \; W& {
;;思路:每一次,当一个turtle发和另一个turtle成功发生交易作出了评价之后,就去搜索本次交易对象的邻居节点,对这些邻居节点的评价质量作出评价。
. \3 a. u7 a* [5 N! Klet l 0
+ d* y/ D: L5 A* v- g; h6 V0 nwhile[ l < people ]
1 O0 z$ P; t3 q2 D1 o0 L;;对j的邻居节点的trade-record进行扫描,以对j的邻居节点的评价质量进行评价
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4 D; {3 s' e% t& X+ C V/ Vlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)6 t& ]6 m/ [5 R
if (trade-record-one-j-l-len > 3)
1 s q" }$ T% ^9 v. l, `[let trade-record-one-j-l item l ([trade-record-all] of customer);;暂存那个评价质量正在被评价的turtle j的与l的trade-record-one0 K6 E9 a3 g; y! C. `# d+ n
let i 3, v# [( ?6 Q9 X' O6 n
let sum-time 07 G. j" }9 M) \
while[i < trade-record-one-len]' V3 r/ N" C6 ~7 h4 a& l
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set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
" ~* I" K# T6 y: a; M6 wset i
2 G+ S4 _6 }* B8 g3 E( J( i + 1), b* q4 K1 x% b; s- m" |4 S
]
5 P6 ?( l& `. a0 u3 Qlet credibility-i-j-l 0# d6 P. h9 V F* o$ Z( H
;;i评价(j对jl的评价)
* _; ~& d0 w$ z. v/ blet j 3
8 I' O& M2 G" j3 R4 ^4 a. ]# Qlet k 4: X+ u3 \ _0 O: O
while[j < trade-record-one-len]$ V6 A2 @ {3 G
[
# B; [2 _# C4 e. N' @( xwhile [((item 4(item j [trade-record-one] of myself)) - item 4(item k trade-record-one-j-l)) > 0][set k (k + 1)];;首先要寻找在i第k次给l评价的这一时刻,l相对于j的局部声誉" ^# d: @7 s) P6 p* X, I6 u
set credibility-i-j-l ( credibility-i-j-l + (item 4(item j [trade-record-one] of myself)) * (1 - abs ((item 3(item j [trade-record-one] of myself)) - item 5 (item k trade-record-one-j-l) ) )/ sum-time)
. f1 F$ p H- j8 \( wset j
7 b6 Z' {- d- N3 c( j + 1)& j7 @/ r, q ~# ?% z t1 w8 W
]# m: z- q& S" s7 {; [0 {
set [credibility-all] of turtle l (replace-item ([who] of myself - 1)([credibility-all] of turtle l)(replace-item ([who] of customer - 1) (item ([who] of myself - 1) [credibility-all] of turtle l) credibility-i-j-l ))
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
' R; g( U1 T( D3 m U7 ^7 R;;及时更新i对l的评价质量的评价% w- f0 i/ b1 |0 q0 q
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
, X r" h# R! ]5 O! Nset l (l + 1)! @! e, [. b: B' r( E+ D) j3 w2 E
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end1 H+ D( a) o, ]" Y
) @' u: y% k- M# \7 Mto update-credibility-list2 p/ z' E& _% I& F, |' G
let i 0- m: s2 J: F% L/ x5 z
while[i < people]
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# E, ~. K Z0 _# J: a5 olet j 0
: Q2 l+ j$ j) k# E& Olet note 0# A$ Y( U8 X1 Y ^( v5 E2 Z
let k 03 E- |; E( n/ Y9 q( h$ A/ i' H+ }' J
;;计作出过评价的邻居节点的数目2 x5 H0 d9 h6 Z, u& Q
while[j < people]
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if (item j( [credibility] of turtle (i + 1)) != -1)4 ?+ m, R. m5 u! {' ~- T
;;判断是否给本turtle的评价质量做出过评价的节点+ G4 [: |4 |. x
[set note (note + item j ([credibility]of turtle (i + 1)))
; e2 w7 X |2 `+ P& _;;*(exp (-(people - 2)))/(people - 2))]- w) D6 h3 F: B; I6 x& T6 t& i. W
set k (k + 1)" X3 G; B2 @' \0 Q
]
$ a7 l( u; a A. n; G% S1 ]+ ^set j (j + 1)
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set note (note *(exp (- (1 / k)))/ k)
U7 V; I7 }* dset credibility-list (replace-item i credibility-list note)0 Z$ U2 X2 O* y8 a! Q
set i (i + 1)
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end
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! Z( T5 @% O9 ] j4 w6 _. `' cto update-global-reputation-list
% m: _. Z3 w2 g( c& H1 o+ p& Ulet j 0. g! W: r) h) e, L, w
while[j < people]1 ?8 k, l( r6 f, {8 V+ [0 b8 @
[) [( N9 B( {8 Y7 J- \8 ~. M" W
let new 0+ O0 h, d: O! P* D3 _
;;暂存新的一个全局声誉
2 p. h# n& S+ R6 D9 wlet i 06 _2 {9 B' m' A `) f+ f, W" P
let sum-money 0
+ s# H# I, a! j6 v( Mlet credibility-money 0
1 w0 Z7 S4 Y3 D* f3 x e$ _ d. p& q: jwhile [i < people]# q' Y( W' F) f& y* z1 t2 _' Y7 W
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set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))% L, j1 a* E: _8 a8 y% J* n! a# b& d
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))* U; x1 O- l' ?9 G! b2 F
set i (i + 1)
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: p7 B- b" r! f/ g- s% klet k 0. g# b( Z& b/ H, n" `& K, F7 g
let new1 0
- Y7 U+ H4 L) c8 {$ k2 ` M/ ^while [k < people]
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set new1 (new1 + (item k credibility-list)* item 2(item k [trade-record-all] of turtle (j + 1))* (item 5 (last (item k [trade-record-all] of turtle(j + 1)))) / credibility-money)
6 S* G( H. m( l( [& rset k (k + 1)
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set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 8 G) f( _: |, `, P7 e
set global-reputation-list (replace-item j global-reputation-list new)
5 v" p- C/ a# L, Y, f' v9 Rset j (j + 1)8 o. T' I- l" T, G: u8 F
]' g6 _# c4 r. d' ~8 s* v, t9 s
end
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5 ^! D: \9 q" r) @
, A. E) v% u6 qto get-color7 q& ?6 o8 ~0 j2 _' }- A: ^% B0 B, r
& r3 k* Y8 G6 u: V" L. Pset color blue2 ?! ?- M* K& S. j
end
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' L$ Y3 F6 E7 M/ I9 T' P* Yto poll-class
! c7 U {% u# s6 k0 {end
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to setup-plot1
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set-current-plot "Trends-of-Local-reputation"
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/ G7 @) d4 w1 D4 T5 v( d' ?set-plot-x-range 0 xmax
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set-plot-y-range 0.0 ymax
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& M4 O' A; S v W
to setup-plot2# w q% @ V) Y2 Y7 M
, Z9 V- g. z- \$ fset-current-plot "Trends-of-global-reputation": T, m# W; ]4 ^( i) Y% p5 i! a
8 W) A( s( _: H3 M5 h; w
set-plot-x-range 0 xmax
4 a1 ~- b9 S8 x* d7 x+ v& X# d9 \& j* o+ j$ S m* L
set-plot-y-range 0.0 ymax
8 x2 z3 ]. B+ f: w2 g- m! x# v" ?1 M+ g3 }( Qend
9 ~. c N8 k$ U2 d E* E8 J/ y: e4 X" F4 W, P8 j( i
to setup-plot3
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s/ G/ H7 ?, K/ y/ W0 r5 s: P6 ?# }set-current-plot "Trends-of-credibility"
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% j. d/ _( \5 H+ W$ o# O7 [" Yset-plot-x-range 0 xmax* Y2 Q) D: T: H8 T# Y( y- P
/ t! V, Y9 @4 c( |, M
set-plot-y-range 0.0 ymax
1 c: k. M& z! V0 Z( i' H9 m* ^* Xend( R2 _2 L/ G9 r6 v) n% c1 {. L" a
: x5 h* ?, t+ d" w- Ito do-plots
% |% l4 k( Q2 f. j# y: O. f' B0 Yset-current-plot "Trends-of-Local-reputation"; E) t8 w, q8 O
set-current-plot-pen "Honest service"
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2 [3 q F$ g$ L5 X0 }[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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