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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
7 O- W' L" i, Y1 f5 Aglobals[
7 I2 ~5 J4 t- wxmax- ~) z2 w: m- X
ymax
. t3 P% I. P% l% C% J& Eglobal-reputation-list: X+ U3 O. }1 E1 G: ~6 o
0 Y: D' z* Z9 i6 M0 }! p;;每一个turtle的全局声誉都存在此LIST中
9 T" i4 ^. m$ X9 ~, ?4 ]1 N. [credibility-list
6 i3 h# C! \- K;;每一个turtle的评价可信度
7 v, {! C/ T! ?6 {honest-service
0 h; M' l* e5 h6 f) D" \unhonest-service- M3 ^4 E0 c# t) M8 o4 F$ }5 o
oscillation
) g" d6 A* v4 a& }rand-dynamic/ ~! ^3 j: F& ` V! N
]6 x/ t8 i `- N% j
% H3 F$ E% h5 n/ Y6 R3 j2 M
turtles-own[
) k' A5 t8 Q' [0 e3 etrade-record-all6 `, r( v0 f2 X! g" ?3 L
;;a list of lists,由trade-record-one组成
* w1 A z7 Y* L: K5 [5 Ntrade-record-one6 p) z/ m/ X9 `% x- ^: s
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
d* j' p1 o3 n i- @4 {7 k# j0 }
% @' z& L. ^( P# p' W3 m;;[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]]
/ e) @ S2 K" H6 itrade-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]
5 `6 B' U2 y/ J8 u, J& {credibility-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/ O- `7 W, a: S4 s; K/ m
neighbor-total! [5 a& M( H1 v# V
;;记录该turtle的邻居节点的数目4 z# w8 V, s5 ^+ a* n+ z
trade-time
* z" a) g4 z8 N3 g;;当前发生交易的turtle的交易时间" k8 \* ^9 P# v/ h G. f: H
appraise-give$ n9 b- O0 S0 o6 ?( y
;;当前发生交易时给出的评价+ Y3 x T4 a2 n# k% e
appraise-receive7 N* c4 b( s% e! V6 ?( F" q, `
;;当前发生交易时收到的评价
0 _4 r2 O- @: i% ?9 V# X$ eappraise-time8 i: H. V5 e" F: {! o
;;当前发生交易时的评价时间
- Q: m; d1 r( E& p3 R0 Ilocal-reputation-now;;此次交易后相对于对方turtle的局部声誉 x* r; u/ q3 @3 s
trade-times-total+ ~, ?3 {/ P, ?( [: v6 Y& {0 G k
;;与当前turtle的交易总次数* a9 C) x' G) W. g8 D0 l
trade-money-total! k3 x5 H# P. K0 a
;;与当前turtle的交易总金额
N7 ~. g& u8 [. ]local-reputation6 d+ T! @- u3 _( u, a- |( L
global-reputation+ D: b% L N- ]4 K) }
credibility
! b7 d* v" C1 r3 H( t;;评价可信度,每次交易后都需要更新- {: a+ r) ~( A. S
credibility-all
N. p) E' P0 f;;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6 ~7 O- J9 e" {1 U; c
: V& [- b v. d/ I
;;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
+ @# [5 w( m8 @- F$ F% \credibility-one
( `- e$ k% h. y8 P z1 b;;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
! g) D3 k4 ?4 e4 C8 x. Xglobal-proportion: l& R/ a h: x/ i; l( w) M
customer
. F9 T7 r/ g: S9 u! X8 c+ {0 |customer-no
7 u4 @9 m- d; ~* x" ktrust-ok
4 W. g; T& [2 y* W3 u1 Ttrade-record-one-len;;trade-record-one的长度$ s9 Q( J# L3 b1 D* |" I/ @
]4 `7 G; U/ s Y# b+ v
& K3 I1 I. r( W! S) ]9 R q( f
;;setup procedure
* J8 |0 N; g- C1 I% q: |, d2 V/ i, \9 a5 U! V6 E
to setup0 B) ]6 o. |1 W6 F5 C4 [+ _6 p
% E F. Q/ n& S$ s- |( I
ca5 m5 c" K' E/ i/ ^) Q( E8 I
3 a7 i' n5 V4 D' m- ~1 P1 rinitialize-settings" }; o# |0 ]8 L2 r X @
9 }- Q f9 @+ U0 X" K' U0 {2 xcrt people [setup-turtles]) c G! a: \. Z4 ^+ ?. z; R
; p) [2 W$ j: Z' Freset-timer
2 X/ Z' ~; Z4 [' ]' e5 o8 \+ }0 w6 [- p. x9 V$ l. b/ q
poll-class
7 H2 C: Z- ?) j
7 E3 P: O2 [" Y1 \# Usetup-plots
! z/ Q* \) w `0 s3 m
9 a/ S( ^$ v* Z/ `. Sdo-plots! J4 R6 k. m0 c m y
end f9 N/ E8 `: b; I1 a2 s5 ^
+ `: ~1 `( Y& D- q0 `to initialize-settings# \" a7 [+ w9 }' P! @
" ]$ U1 N5 A3 ]/ u! q Kset global-reputation-list []
5 g! ]2 z' [- Y* ~: P# H! C4 Y* l
' \4 f& N: H( [set credibility-list n-values people [0.5]
/ J2 R+ ]2 l, Q K/ F3 g& t4 R- h
9 G- z5 A+ C+ L) G4 \: Gset honest-service 0
0 ]" q/ ?2 j3 f# ~0 n2 f/ v. c, J5 }. m! W1 p' R
set unhonest-service 0
$ d9 p, |0 D: E* K% P- w) c8 ?! L( t9 r% Y& L
set oscillation 0* N, \& `4 r9 ]" M$ G! T
3 H/ y0 u2 H' ~8 S% k% z
set rand-dynamic 09 t. }3 S) O7 w0 \
end
/ ]2 D$ {8 k# K q9 z, L7 d
! |! O, }- Q6 r+ }/ R5 b* yto setup-turtles
r$ o( T1 N7 ]8 B# rset shape "person"
- U6 x5 F% `! A9 M7 ]setxy random-xcor random-ycor( p$ a. s7 t, r2 M. o. f8 n
set trade-record-one []
) H1 {/ }8 P/ k& l: `, P! K
7 P/ @; l% L8 D, t/ j$ ?set trade-record-all n-values people [(list (? + 1) 0 0)] , M Q% |$ f* G2 K! P3 b$ J0 G+ m
8 z6 c! H* @# J) v5 L5 tset trade-record-current []
* Z' a( `9 o! o6 K# P3 e4 W) ^: P! iset credibility-receive []
& z* G. c5 _* @. uset local-reputation 0.5 M# r Z1 {# o0 M- t2 A
set neighbor-total 0
! Y- P Y3 _1 G; ~( i Q% Pset trade-times-total 0! N+ p0 O+ Q; G
set trade-money-total 05 T4 S4 a5 Q K# W9 B) b
set customer nobody( Z5 h7 z; X; H q1 H- r: c
set credibility-all n-values people [creat-credibility]
% G7 P$ j& K0 c5 g8 bset credibility n-values people [-1]5 B( f! A: |- q* I' l# b
get-color
% p( p( i3 T& g4 y
0 X& c; g' }8 g! Q) Hend
1 ^: @2 N% ], t. f' g4 l3 J
1 Z7 W- v9 ^1 a1 kto-report creat-credibility" P/ h8 `- g' \; W4 l: k
report n-values people [0.5]( ~8 }8 f1 `/ I
end8 i0 I; N5 Z; L! s/ q# r
+ B$ P3 \' t5 y( C9 l' Y% @" ^# sto setup-plots/ y' Y& Q; v# x( H' L o [0 F
; K/ C& c+ q' K+ U/ @5 fset xmax 30
' Q/ ?& f% @/ w6 N+ ?
3 i2 K. R6 g0 A6 Q# v0 ^set ymax 1.0
9 L0 n; w! [- n3 B; s/ t3 f0 a' k+ J& _* I/ S
clear-all-plots
v3 v$ b1 B. g6 Z( L* Y8 m9 j0 E9 _9 f% [# l* m
setup-plot19 b( s0 h2 A& L; x8 R# c
8 R8 H) Q1 X" m( ~& N& n' Q+ z
setup-plot2% B! W: L1 [4 Z4 r7 w: p: E) m
: R" @% g8 X: L: c) T g
setup-plot3
$ o! w8 t/ F6 P! Q/ C7 tend
, [1 q0 [4 W, @+ ^9 z( f7 g K3 w* P% a! {8 Y" J6 Y% L0 ?* A) E d
;;run time procedures
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; \# x, y3 A2 kto go
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; v+ t# X9 w5 m* ?3 bask turtles [do-business]+ g3 ~ c0 k' j! e
end$ G1 z* ~# a6 W! z
( M1 G5 U( U" fto do-business * Q/ R9 O4 R5 k1 z' G1 h% j( p8 H, h1 Q
- s2 }# C1 ]& U9 a1 | i& D7 T. \
+ R2 a1 f! b7 m2 T6 ]6 Rrt random 360
6 n9 j% }0 x. e' d
& ?% s. Y& Q& ~- j6 d/ x; F3 nfd 13 I B" c$ c* B/ O( t$ F
& m% A4 L9 Z0 }* b" E8 @4 U
ifelse(other turtles-here != nobody)[
+ ^- z' H3 X; F8 }% [& D$ _
h- |1 K, _4 i4 Fset customer one-of other turtles-here4 I+ C+ @: |8 `, C, b7 Q" v- g
: u9 C/ A, l; c6 D;; set [customer] of customer myself5 ?1 C: U, C, s0 j( z1 h
" B7 p& e- ]3 ?4 Z% Z6 g) T5 z( e. L
set [trade-record-one] of self item (([who] of customer) - 1)
1 ]0 P5 L0 e( c( W% u4 S[trade-record-all]of self) P$ J4 Q. d0 ?) G" ~& p& |
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self! L, n$ O! h5 E7 Z
( L' a6 p+ o* f) m! jset [trade-record-one] of customer item (([who] of self) - 1)
6 f3 E6 b' a: J" J6 n# f[trade-record-all]of customer
0 Q: @& L' j" k% a) r: _) ^; I" C+ ?
set [trade-record-one-len] of self length [trade-record-one] of self D. T# ~. R6 r7 p
9 C2 \3 ^" j6 j- `: m
set trade-record-current( list (timer) (random money-upper-limit))
{7 @# j/ H3 H: _/ s) {
. G# I& t; _8 X: }6 Y/ l4 O& wask self [do-trust]
0 Q9 P% ?8 {0 ^- o B;;先求i对j的信任度
) d# H. F8 \- c' L3 \
9 c. N7 y) Y; B: j: G0 Zif ([trust-ok] of self)
% g9 r& k. D+ M# h, t# `. r' e;;根据i对j的信任度来决定是否与j进行交易[# o1 ?: ^# _0 Z: J& N; D
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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" S7 e- p' X/ ?! @, S[2 s; H% X" N% s$ l% H
% y+ s. a& {4 `4 ^6 X0 X4 Vdo-trade$ Y8 G7 k1 s; d
5 M8 s/ { T( uupdate-credibility-ijl
4 ?" N4 j6 d% w7 q4 {1 j: P8 ?' ^0 ~/ Y
update-credibility-list& U3 O$ I7 k+ ]. S
0 D" ~) I' f, x: V* c
& Y: R# ]9 R1 y1 v5 I% Fupdate-global-reputation-list
3 y, O, ]0 ~3 S( j S
# j! Y" e! G# j. {5 U5 I+ {poll-class8 k* Q$ c9 k, N; q4 D% m
7 E2 `9 [+ I2 z5 [
get-color2 A+ D. [% X5 g1 N# e
0 I& G9 f7 H, i( B- D9 _]]: y# ~( g7 ~* V( F8 V3 E# v
e& Z9 @$ B; \. o- O; \" ^;;如果所得的信任度满足条件,则进行交易
: N. q. R8 j9 d& F* |
; b6 W0 u! Z3 C6 [[% A# s( [0 g$ d# j
% n- n( G9 n- @! H) b) l- U* r. ~
rt random 360
* G1 g- F5 }# ]- a' r* v7 _
) u1 [/ d$ ]6 z4 p) a- N% Tfd 1! y) v% J( E( f% t
" d5 g* m5 f3 _- T]
, K0 T; g2 B ]# W' j( i, y+ j1 A. G; r: r( z- g5 b
end
. A7 k8 A' b9 J
, p P+ ?$ E8 ?. P' bto do-trust
4 e$ m7 ?! X/ xset trust-ok False- }8 C0 k" J/ A
5 W$ L! l# m" b# b
9 u) a5 R7 h' O, c
let max-trade-times 0
9 {9 j8 T' B# M; H( g! w" K" \foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]6 z+ G$ i% h( i. g4 @, t
let max-trade-money 0
4 d, |. C4 D- b0 k9 y1 Q9 u* u* gforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]4 |7 h+ ?0 F5 c) d5 u& O% U5 A' }
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))8 y# `3 ~8 h y! i a
/ A$ x" @, d( ^1 w1 U: z& ?
" I$ F- m+ E$ ]; u) V7 q
get-global-proportion
3 U+ e+ T: o( F8 D- o; ~8 klet trust-value2 V( @2 B9 ?! I
local-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)$ M* I, n, r$ f) h% _; G3 b9 b
if(trust-value > trade-trust-value)
; L2 c, c' r$ @( f5 A[set trust-ok true]5 r5 a$ D" x9 o# y; A# }/ F k+ m
end6 C+ w l4 g& @ o8 D5 f
/ y0 {/ H( O, \
to get-global-proportion0 h* K, l( f" ^9 { l
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)* B0 q; _2 e" `* Y
[set global-proportion 0]1 Q1 u/ f9 G' q/ S0 k! p: K
[let i 0% l, B7 V% V% {. M, z7 r
let sum-money 08 w. `' |3 N" {2 L
while[ i < people] R, m1 m; C1 B5 k1 g
[3 i j: F% z5 U- f! [
if( length (item i- n' v& `2 O+ v: u% p% h. l
[trade-record-all] of customer) > 3 ); ]9 T! j3 f, ~& T; Z$ X! l& _& l! s
[
* c. o9 A/ Y/ \7 T( ?* J: W; p- W% C& mset sum-money (sum-money + item 2(item i [trade-record-all] of myself)); A- x6 J8 ~# L" Z0 S* ~2 s1 [, l
]# S' g0 N b8 F9 z- k1 s9 \$ _
]8 Y6 l$ N/ F" }2 |
let j 0
# N4 C$ H8 G; P* E6 ?' plet note 05 |3 m* s& Z( V3 O
while[ j < people]* p& s6 e! s- k/ c+ I4 K- [ s, {8 o
[! \' y: M1 u# _; Y7 A
if( length (item i
# k0 A `" c' q# G* j1 B+ b) K[trade-record-all] of customer) > 3 )! ~7 j8 A% C; [
[
1 B+ P+ @" l& W6 k; gifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
& s: r3 y ~& y1 M[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]& x2 t6 G0 V6 w& M( e
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
' l8 W1 m+ a8 ?8 [2 j B]
8 ~2 _2 Q; d! N' |: t4 i" v& }]
7 \( z* \9 X/ p( dset global-proportion note
% d8 x3 F8 Z- [7 n. w# i! K]
( Q$ ~9 }" P/ o+ Z& `# m5 M+ e& Aend: J! G9 D* B5 a& @
; {5 V0 a6 q/ P1 x6 }; I
to do-trade
3 E6 |. w' N2 q$ `! }# S$ H;;这个过程实际上是给双方作出评价的过程0 z9 T) o. Z; X
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价6 C1 t5 j% S4 _* q+ v
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价- T+ o5 R N/ ~; e
set trade-record-current lput(timer) trade-record-current) o/ U3 M0 \' X7 d, r' W' e" Z# ]
;;评价时间$ l! |! k( D8 h; D# h
ask myself [7 G: D1 e: G) e1 E) o
update-local-reputation$ I: t/ x, ]* C
set trade-record-current lput([local-reputation] of myself) trade-record-current
/ \8 L8 J+ w! n! @4 r7 k]$ L8 s7 L, F, \( J
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
. {9 k4 ]: q2 P5 ^;;将此次交易的记录加入到trade-record-one中* L5 q& Y: a4 V8 M9 [& k
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)) h: s8 [ J) L9 F1 [
let note (item 2 trade-record-current )
! H$ c* v! r- y" g7 Hset trade-record-current, d t& V, R2 o: T% A, f
(replace-item 2 trade-record-current (item 3 trade-record-current)): @) W5 |1 C! c% n9 f
set trade-record-current
# t( r' F. K. U; o(replace-item 3 trade-record-current note)# J: C. d% N6 }; Q. v
$ e# ~, v0 s. d4 M5 O) U B
4 u' |8 O* R2 f: T/ @, d3 Z
ask customer [
& ?- M2 [: c* K2 Aupdate-local-reputation
5 e5 ] h5 J6 [. m6 Nset trade-record-current" ^7 S' _; Z- s6 j) W. S
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
; Z5 S% i& l2 i/ l* ?]
1 W+ {) p& s( ~, Q7 T! l$ H9 q/ p' m+ w
* C5 I+ g8 g$ ~
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
8 w# v7 J* U; g+ g
0 e' y) u$ t- @set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))9 q! m) @% K3 {3 H6 l$ s4 k& o
;;将此次交易的记录加入到customer的trade-record-all中+ G5 ?9 ~6 S4 M! C" `5 Z$ I
end
' K, I1 F; |: b' J6 a2 n( p$ M% B% P; k; d% K ~- q
to update-local-reputation8 @- \- P4 w9 X- j% u* w4 h
set [trade-record-one-len] of myself length [trade-record-one] of myself
6 \- u8 E5 v% B
; h. \# Z. X: y& E. Z7 F3 P" O$ B' b
;;if [trade-record-one-len] of myself > 3
7 u& n! B3 j l2 z' U/ A' u' A# _update-neighbor-total6 X) }& p/ J6 Y( U! r8 e
;;更新邻居节点的数目,在此进行2 \& I" ?; n7 O2 _. O
let i 37 O1 Q7 M( D# [& ~! y: Y
let sum-time 0
1 A7 L/ L, C1 ]6 twhile[i < [trade-record-one-len] of myself]* {$ v6 v: }+ W8 `5 o8 F s7 H
[( _. v- g% ~0 B- g# \4 X5 u
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )2 ^5 W. d4 ~1 y, o
set i5 N0 k# N. I' j9 Z
( i + 1)
. ?- K; F2 ?1 I! b! [; J3 I- I]
: h' a5 _3 b; `' D, S8 y* Ylet j 3
- K/ j V3 K/ K+ Glet sum-money 06 ?! l( k" i' N/ l
while[j < [trade-record-one-len] of myself]
- D. g8 h$ |1 X. q8 H8 r[2 B4 ~& n: P: V& H
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)0 s* ?* ~) s/ d( s; c4 `- Q2 a5 f
set j
+ ]7 h& D; V1 Z& F& J& x9 e3 n( j + 1)" x4 G: [; E& k) x
]( ~# y8 R4 ]6 F$ Q% I F
let k 3
- `+ F4 G# p% c+ o1 s9 f flet power 0
) K& P ~( o8 f' e. Wlet local 0
2 v5 b& u+ {& D" L4 gwhile [k <[trade-record-one-len] of myself]
! {% T' ?" }! E5 H8 r) r, y" h[
8 w6 [ ]+ W4 J3 l# jset 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) - X/ F/ |) w, a/ R7 U/ |2 H
set k (k + 1). d1 t0 H" T- y. R" u/ U
]
6 S( `1 z/ W3 H) X* l0 i( dset [local-reputation] of myself (local)
; i8 x9 x; N; E% B' W) rend
- w0 w G6 \: |6 S
* ~/ {1 A4 @+ D/ A# ~0 G; y# Uto update-neighbor-total( l& d! }' \% C, h' b" T* B# j9 Y
e3 x! H) h6 [$ Cif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]6 V9 d3 D# i! X+ v3 N% z# M" M5 w
7 t" ?4 s' s" v* W( b* ]5 j
, l+ f* |& L8 send
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to update-credibility-ijl + W+ v* M0 X% F# G$ i' z4 t
( k9 S3 V9 t8 I' v4 O; u4 M2 v4 L;;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。
; f$ I+ l0 S4 j llet l 0) n$ N% C/ j" D$ F5 ]( y
while[ l < people ]
: {7 h, f7 Z. `7 }' R7 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
5 {# d c/ r/ _9 t$ J% ^[4 I4 U5 b# _: ~6 d+ T
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)' x( R+ T& g' p ?3 C) F2 n$ x: w
if (trade-record-one-j-l-len > 3)
# S. f* O6 ?& O! Y% C[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-one
7 m% }) Y% G1 L* wlet i 3
) D/ L+ Z+ l/ W- `. olet sum-time 0! z9 [4 c/ u4 { w, j- o3 b
while[i < trade-record-one-len]
1 e, z7 r; A2 g$ }+ T9 Z[
& c& y6 \' Q7 w I: f- P$ Sset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
1 K0 ~( z# d9 R) @: K: t) Kset i- V! e0 ^6 h& T) |# O3 l
( i + 1)
! J0 E9 f" ^. {]- u+ [8 p5 M! ?* `$ e
let credibility-i-j-l 0
$ @" K- y T* B* I; p! e6 [8 Z;;i评价(j对jl的评价)
) t6 I8 t/ x K/ @: B9 elet j 3$ ~+ a! @$ B/ R# J
let k 4 b( _9 b1 i7 z( ]6 [' I6 |
while[j < trade-record-one-len]
; E# W% J' u. p3 ?* J5 _[
/ a( k {2 k9 R4 `- u0 Rwhile [((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
% O, I; N" k2 a. v$ Iset 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)8 a6 w$ ?$ u8 T8 B+ {6 ^" j
set j
1 `6 A6 X( n% o5 R( j + 1)( _/ p+ Q' P/ E K+ h% m, K" q
]4 K5 Z) V$ C. c) Y/ x
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 ))& W9 g Z+ |0 W: F; g+ i! c
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3 ], f, O8 z+ m/ [. elet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
( F, v! t% R8 ?3 C2 o;;及时更新i对l的评价质量的评价
8 F# ^& L2 I( ]4 v' g+ Tset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]; _6 l d7 ?3 O4 E7 [- Y( R
set l (l + 1)% D6 G0 \( C: ^& L1 e* N# s
]
! C! L# c( [2 ^2 Cend
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to update-credibility-list
. |! |9 @$ O7 m1 Glet i 04 R. j2 s' ~9 Z
while[i < people]
; o; V2 m# q& Z7 N; _[
, S. r* f* m' ~# y' jlet j 0$ [. t n6 I- U G4 q/ H
let note 0
/ p# B1 Z3 _. W( |+ V. C5 S) alet k 08 y6 I3 y3 A! A% c) G& U8 W: ~9 ?
;;计作出过评价的邻居节点的数目* ~" a! i2 u, ]9 A" a$ |; `' O8 G- F
while[j < people]5 @$ [3 f" y6 V$ U8 T% S6 N
[: [$ q+ k7 u7 {* }' [, X3 Q
if (item j( [credibility] of turtle (i + 1)) != -1)2 E; p/ ?/ T @4 K0 @7 u/ r6 f
;;判断是否给本turtle的评价质量做出过评价的节点, ?. L9 `/ E3 ~, Y
[set note (note + item j ([credibility]of turtle (i + 1)))' I5 r1 T4 p1 n' f8 T" d Q
;;*(exp (-(people - 2)))/(people - 2))]
! Q2 l8 n# r6 J; u! X2 f8 R" Nset k (k + 1)# e2 ^1 S* \. N( Z
]4 w" w. N. p4 S7 @& n4 t3 ?
set j (j + 1)
; C" W2 B( L" r C+ ?]
4 r1 \+ G) R b: \5 S# y- d: dset note (note *(exp (- (1 / k)))/ k)
/ K! x2 [) i4 p9 |3 n7 h0 s1 l+ |set credibility-list (replace-item i credibility-list note)# _) o! f3 P+ w9 ^ V
set i (i + 1)
$ [. R) F+ C" q4 y+ O( ^' G U]
& P- _$ F2 e+ K2 s6 N+ ?/ qend( u8 W3 b0 ~+ T$ d
" E8 V4 ?- f' ?0 @5 t. c% }to update-global-reputation-list% |; G6 f7 z" f
let j 0
, g/ e$ W. t% t9 j r9 M1 g0 Owhile[j < people]
0 _$ j8 [ i2 z z" |2 _( L[# g& k' T7 l' n4 a
let new 0% W5 t2 V" p6 A* H8 Z
;;暂存新的一个全局声誉9 Z4 j- k4 _$ p
let i 01 \/ v) A% o' [0 @& A. {5 [( t
let sum-money 0
7 U) |- e! L7 {! Z V' Jlet credibility-money 0/ a" o* q& |- M
while [i < people]
: _7 e7 q3 z* u[
" G( k2 Z; [0 i; D7 qset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))' x" z% e$ B0 m( K6 H
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
, ^+ J( C. S+ O1 t1 R! c6 A. }set i (i + 1)5 A* ?; N8 Q7 G y9 k8 a
]
# ?! w9 I( N7 W3 elet k 0
# g& y, q( t4 v) `$ _- ylet new1 0
! @7 V. m8 |0 N* W% \( o: y& q' Iwhile [k < people]
1 l5 v7 M4 h, R[ x, m/ \5 L1 n+ I+ g
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)/ ^: M; s6 z0 G. O
set k (k + 1)$ {' j6 P( g5 u* J# i
]2 q4 I# K' |, ?
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ) _, i; S* H: [; d( j: c2 v) O
set global-reputation-list (replace-item j global-reputation-list new). @% o# @# n% M
set j (j + 1) r1 D, I- [# v
]
% s+ o) q3 W9 T% e# Jend
% t! m6 L2 m4 l7 y% W- O0 F+ z/ e8 U# D
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, ~- e* x! ~) q2 B
to get-color+ @( b( \3 {) H2 m
5 I. M# v: [: L# v, |set color blue
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8 ]' F/ p4 l- ?8 W2 q
to poll-class2 {2 R2 a8 Y/ o e/ Q, [+ @
end
, \8 [+ W( x% Q( l" `7 U/ S
$ K3 }5 E2 d9 R3 }+ i6 vto setup-plot1
7 Z+ j/ p; l3 Y7 m3 s
# ^ }* E, b: N+ g' D! Zset-current-plot "Trends-of-Local-reputation"& ~6 C4 E' v1 X+ g; I& G, Y' D
1 d ^: @! U3 `/ a- U7 v: u" c
set-plot-x-range 0 xmax
# z v$ F+ k- ^. }- p+ T T* J: G9 P2 S0 s1 ^, D4 t- d! ^
set-plot-y-range 0.0 ymax
9 |6 r4 F+ J8 Y4 Fend
; |4 b6 l9 l! h
: Y, J6 C( J% y! N" c& X6 P1 H3 tto setup-plot29 `3 K" v+ U: [. P# e
6 e6 V1 |0 B h/ k: J* o- q' Pset-current-plot "Trends-of-global-reputation"
, h7 y/ u K% f/ j# J& U3 B" N: @4 W- o7 x# D1 y/ _' O% ~0 J
set-plot-x-range 0 xmax
) z: T5 P, m y/ B* J3 G
1 ?2 d/ a- n) D4 r- H. Dset-plot-y-range 0.0 ymax! z3 M) e: }8 o- ~9 p8 b. |: W0 r
end+ _9 [6 o. n4 J+ q' d; z7 ~3 P
" P/ N& d; M/ d( @
to setup-plot3
G: |& Q2 j8 }# m; I/ W- _/ x$ W9 T# F- X& m t2 ]. q
set-current-plot "Trends-of-credibility"
3 q8 h( a+ u0 I) h- Z( U9 A5 z# j
5 n- p# P/ P; B+ I# Zset-plot-x-range 0 xmax6 H, K8 o! \0 C, V0 p5 m
3 Z0 M7 x# L6 j2 o% p* T2 vset-plot-y-range 0.0 ymax8 ]# K Q: f$ v+ {1 {+ X8 Q( q
end
2 s; z7 H$ h; q/ V( H1 ? i
# b6 d% M9 t' A& Q% A Nto do-plots" x+ i& Z2 v1 d ?
set-current-plot "Trends-of-Local-reputation"
j, ~: V& B/ b8 | Q# dset-current-plot-pen "Honest service"
. f' t. ]7 s: T$ l) o+ k* zend& v' t6 Q5 l' @8 H6 c/ R. ^
0 G2 l8 y/ `; W2 j[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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