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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
1 z& R0 F- h4 D- Nglobals[
! |$ a& o6 f. f' A% h9 Cxmax" c, W0 Q( ] B
ymax X# @& X( V2 W) C
global-reputation-list
5 f' a& U% I, ?# p* E2 {3 V1 O. q4 L5 W4 X0 x
;;每一个turtle的全局声誉都存在此LIST中
, }+ O& \- Y0 S5 d0 _7 Y1 G+ D4 ]credibility-list2 C% s* k: a2 X" S1 R
;;每一个turtle的评价可信度! H2 j& @7 `6 y; ~: i
honest-service
/ @8 M2 D" V7 x* S* u7 `; uunhonest-service
; Y) j! o. |0 X( D" g' Yoscillation
( q: _3 l, n" @8 w4 L- T5 Jrand-dynamic
$ U3 p. t, V) G$ z, o+ E]
0 i) A6 w6 b+ f; }1 {( z+ B$ J; P" ^& h- } v8 c( j+ H
turtles-own[
& j( _; h2 L* S! P7 T, Mtrade-record-all
8 d2 a; S0 l- K3 c;;a list of lists,由trade-record-one组成
8 g- q% W0 M: @trade-record-one
4 c$ l4 {! m M9 }6 F;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录% f" O% \9 M/ `3 `( [8 c! c* e3 r1 ]
* R% f. P9 j8 f, \/ B Q, S;;[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]]5 h2 {3 t$ {, s$ A$ K/ }; g
trade-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]2 P/ G6 a: Q# {3 l3 k2 n! V* W5 S( O
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
& E9 P/ o& M2 ?! Zneighbor-total3 d* Z. e6 K, C8 N+ {& y
;;记录该turtle的邻居节点的数目% S) t4 U4 j* W- u3 b
trade-time* d% r- y9 g7 q; b" Z4 R2 I, g
;;当前发生交易的turtle的交易时间: S! U% C/ J7 V: _
appraise-give% l. h! \. e, D; ]
;;当前发生交易时给出的评价
# I7 [! J# Y2 {2 M( A" Uappraise-receive
- p) l" P3 h' R;;当前发生交易时收到的评价
k# g. V% E4 ?% P6 N" K$ S6 }appraise-time' a* @% E. Y7 P/ q8 ]
;;当前发生交易时的评价时间
" o0 g+ l& O t+ @# z% C$ rlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉: z5 R" {& {4 O& {! u% V: }
trade-times-total
' M; N7 v, a2 F7 A8 s v;;与当前turtle的交易总次数) m" j$ g/ Y/ q$ J' X: |
trade-money-total
: h4 Z' \8 l1 m: p. a( u;;与当前turtle的交易总金额
; ], |+ X. H8 g$ d3 rlocal-reputation
6 M, _' X" x. E/ Q- M$ E/ iglobal-reputation5 S" y6 _" ]4 b; _- v' E, c
credibility& w. {: U0 M- O# A6 v) s
;;评价可信度,每次交易后都需要更新
; g6 h9 J8 {+ q7 F) s- Ocredibility-all5 m f1 E* q( q$ X/ m8 w
;;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0 r. {$ G; ~6 f8 k8 s
2 r$ n$ \: t! d* e( J8 @& b
;;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
7 Y6 H, F0 s6 c! t( |& Hcredibility-one
$ _" w1 E. e- Z) c+ E) x;;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" `+ y9 H* g6 c- I& I
global-proportion
9 g1 c$ h* o* }. ~2 Pcustomer% p8 o: q4 r, X7 @! I5 N2 c/ X
customer-no
5 o, c) y* S4 F+ N- Ntrust-ok
3 O" a# A+ T8 @" vtrade-record-one-len;;trade-record-one的长度/ g5 \" E! G7 Z" t& d2 J
]0 o& V/ v+ F8 n+ H/ U6 Z
4 F- D- J8 s% F2 d: Q
;;setup procedure/ x# F' t$ d3 Q, _3 r/ a+ ?
! G4 M( F5 o5 p3 o4 L3 o
to setup
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, j! g4 U' n, Qca
1 p- a4 e1 f7 [, ^* F* S! M
, G3 p7 S& ]% v3 ~5 ~) R9 H- K9 Oinitialize-settings- Y3 t! ^# ]0 B5 S$ p' L
. Y- W4 V* Y- R( t L- b3 A! Fcrt people [setup-turtles]% N/ m9 R- H8 _! M) S
* _3 t: o. G( Z' Z+ d4 mreset-timer4 V1 {' [& `+ _" s: R) ^
: }3 e& J0 [/ A5 ^# l. _: i$ r! r
poll-class$ E: ]& X+ {/ `3 C3 H% @
% ^* o+ G }4 d& _setup-plots; z: E2 N5 f2 ]/ c0 \
! D) W4 n- z; y- ]0 Q/ t# S
do-plots5 z8 A V- S) k
end
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/ Y5 B2 _# A& k L% b8 I2 w2 ^to initialize-settings
; q7 @) Y# y, \2 U1 f/ r V+ T5 A; I# R, A3 Y5 {8 g o8 q: Y
set global-reputation-list []
: U. l5 K8 k" A( [, Z. V. l* V! o
set credibility-list n-values people [0.5]5 G, ^! s s# J( h4 m) O
9 y+ v, C( j, ` Q* `1 e
set honest-service 0: k! i/ N! }+ q N/ T! i
5 |) ?6 S$ s _ d# Hset unhonest-service 0
: O& E2 h! w- {$ h9 z7 I
$ b: J7 i! r* a, z9 sset oscillation 0# t4 d( p) W* S. Q- \" ?* h
4 A$ b. I- X" x4 D) ?" O
set rand-dynamic 0
5 w# y2 U6 H' C! D0 F/ z9 F1 Yend
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, u6 y2 D3 J9 I9 C! nto setup-turtles " b7 s N1 k. w; V8 X7 D- i- P
set shape "person"+ P5 X6 a4 S. `1 I
setxy random-xcor random-ycor
! j V2 H8 e" n- N; t7 Cset trade-record-one []: m- o! k) h5 Q( c) _
/ L% B1 s+ b% x9 p7 K
set trade-record-all n-values people [(list (? + 1) 0 0)]
$ E0 i4 z4 c: Z1 D2 n7 E5 z* f! A6 A& u' F6 L0 R* S
set trade-record-current []% u0 X6 ]/ J3 K4 |( }. m9 N9 J
set credibility-receive []
1 N9 n/ T/ R* ~- d& e8 s& Rset local-reputation 0.5
+ a+ p- J$ \4 k5 h5 H0 s- Eset neighbor-total 0: p, C* w' `& H/ _) F! H
set trade-times-total 0
1 x0 n! m( _2 T8 a; J4 @set trade-money-total 0
7 w3 P- W. ]: `set customer nobody; k5 A2 X8 t3 I3 _/ \9 a* f, s
set credibility-all n-values people [creat-credibility]6 j& y( l. ]' ~: q3 J, I
set credibility n-values people [-1]' [- k( [$ L/ V+ A( c9 n* `
get-color" L) D7 I* M" D0 B. p/ M5 \
, [) F$ d# ]+ W& _end+ F0 e; }, I* v. a+ Y5 ?
% a% R* O! Q+ C1 m. ^to-report creat-credibility
) H* k6 t1 N7 G+ h7 a- Y' ~report n-values people [0.5]' `& R6 q! T; T, R: x3 Y
end
- D7 x( m1 Y( R8 Q; c; P9 i7 X! \7 G, i7 @( C5 ]2 Z
to setup-plots) R' A1 H6 x8 a# D
+ h& q" B3 U8 q# O1 v5 w9 c+ Aset xmax 30
2 d& V. O" t) O0 Q. g( ~: o! D" X: q6 n8 o4 r
set ymax 1.00 H1 ?- \7 e a
8 r* M7 ?1 r3 Gclear-all-plots, y7 L; k' Q( u/ X- A
" _6 Q; e5 X' W. V: x
setup-plot1
( Q& `2 ]7 W/ V- M7 }/ e8 ^5 ]9 p, b8 c' d4 w
setup-plot2, _1 X i# @! A
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setup-plot3
: F( S, R' _ L/ d5 a Pend4 x% `* p ~( [$ V
5 ?9 ?& O8 a9 x$ w2 o% T;;run time procedures
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) H' w4 ~& R0 ?to go
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/ y, x1 S0 O2 x/ _# gask turtles [do-business]
2 K+ C8 U: f& |6 E/ P' wend0 V& I* L) i M8 i
7 k' g7 g1 e% l! Oto do-business : w) h5 E5 K$ R: y
# A! Y7 M7 q7 C, [4 Q# D' C8 x% D/ e3 J) [9 j3 n3 G/ K7 Q+ Y
rt random 3601 ~7 ~5 G- G+ B0 R! D; z
7 X% Q6 b/ S& \" Sfd 1
) x/ {% s2 ~$ `% G9 [* E8 Z
7 m, ^, }8 q7 Uifelse(other turtles-here != nobody)[
5 R. g, j) p! I( X9 r- C$ l5 R1 d6 n3 {
, ~7 F% d) w3 k, [set customer one-of other turtles-here
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& _7 _* J% w* S' G;; set [customer] of customer myself4 y9 h* ?' h, k7 m6 k
& A4 G$ Y8 t* N; l9 @; ]
set [trade-record-one] of self item (([who] of customer) - 1)
& H k* v1 p3 c+ B' W( b1 j[trade-record-all]of self
- P6 K' `0 L8 r ?+ d3 z; {;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
$ ]% i) k& `, v' C) f
& L/ n3 A8 _0 k2 D6 jset [trade-record-one] of customer item (([who] of self) - 1)
0 V& |+ b) \* q6 l |[trade-record-all]of customer3 F: R* L, ~3 D- w! {. P, ~0 P& W9 n
3 ?2 E/ ]) y/ L: `. `; Oset [trade-record-one-len] of self length [trade-record-one] of self
% b; W% C# A3 A) V7 r5 W5 u$ E0 Y: K
set trade-record-current( list (timer) (random money-upper-limit)). O8 I8 w" [/ f9 L9 y9 _
- C3 t' u, J* w4 D/ {1 l
ask self [do-trust]
$ k8 T* i# E ~0 \8 m0 e1 e6 H;;先求i对j的信任度
' E: v. [7 X3 f) s- |3 F) X7 O! T
# m/ ]% y* {7 T: |if ([trust-ok] of self)
) l0 u0 N% H* ~;;根据i对j的信任度来决定是否与j进行交易[
" s$ t# ~! L" X/ g) u/ B; Lask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself3 |% D% [6 I2 K m
3 ~1 m4 e3 `2 Y) `[$ {' N( H6 j9 R) H7 T
. v2 a: C. i& Q
do-trade
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update-credibility-ijl- [( p9 N% a1 u1 X7 J
- U8 ?. M- k. c/ j( q% E
update-credibility-list
2 }8 {3 p( L. i" w" L, O* V& P
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update-global-reputation-list$ i9 u5 J! \ S5 O9 k! {
1 m, K/ n" J# [8 z/ v6 g. c; l, C
poll-class
) c5 o; x0 K& @5 z7 f" j6 _
9 c0 i, L: w: q* f' F% ^) Kget-color6 k' W* M4 V+ K0 r
, X% [+ k( L0 k]]
& t" n' M9 }# i! @$ f: J0 {& @0 f) J8 i- T" \ l
;;如果所得的信任度满足条件,则进行交易
' x$ l+ ?; t" @) g9 a7 m9 R8 x# `! @
[
: L- z& N, n) ~, D( s0 ?
: X' ~, s/ g7 wrt random 360
) P# V0 q0 T6 M4 P* O' a6 V+ m p- h: K& ?; J8 i; m- O* M# q
fd 1
9 m. s3 R5 H- C2 Z1 I3 y# H9 m
$ p+ T# D' O3 `+ T& C3 H, u] p: f2 v- h6 x# L4 U7 n+ ~$ v
" E. a# n- D& |% q, |! Vend
9 b0 o" B4 e% L5 _0 K9 Q/ |
. W$ o: E# {, v" D0 Qto do-trust
/ o' w; S. n2 S$ V- |) sset trust-ok False
# |) x i, ~& @1 l
5 K# ~3 y' c R# U0 x
H j% w- a0 |& o0 ylet max-trade-times 0
8 l+ y5 C. f5 z0 _foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]5 s/ B( t K' G( g1 k* z. I
let max-trade-money 04 g' H9 C2 D" n
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]" Y: K, P5 k5 i' `4 k+ e ]
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
. e B# z6 T: a J/ r! C
: l# Z; @. d' U' y. _) Y5 F, D. \( y* f7 U0 S
get-global-proportion. Z* ?5 ?* F; @: l' q. S
let trust-value2 P9 F/ Z+ y& s9 E
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)* U& r* C. P' b( j1 A
if(trust-value > trade-trust-value)! d# d" C( u# Z1 y! b0 X; H
[set trust-ok true]# u7 E6 T3 U3 o. T2 O
end( W- N# Z6 C) r! Y4 E
. s* |8 \ I( [! X
to get-global-proportion
! g2 T6 ~9 ~$ z% ^* j# \" nifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)5 S0 b1 J& T# P# {1 T/ \
[set global-proportion 0]8 c9 E) o+ ?7 E
[let i 09 l8 {9 \' |/ k7 T
let sum-money 08 H4 y5 J0 v# w. Z! r+ [
while[ i < people]& E6 A4 x+ Y. j
[
1 c* J) Q8 k6 ~5 uif( length (item i
6 n& @) D e9 r+ M' g[trade-record-all] of customer) > 3 )7 L: N. o# V* i! d2 O
[
6 f! o: H8 f, X! S7 I; P9 U+ O$ Zset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
8 Z0 @! A( @8 f+ v" F]1 c7 }/ c0 Q# j$ i% z* [% J
]( |% x- a- f- f( \ K2 T
let j 0
: n6 l: d/ ^& ^+ @' klet note 02 C! O$ C" b# S& O7 P* z; j
while[ j < people]
1 a0 r9 @8 G2 O6 }[
% q$ n' h. A# s5 wif( length (item i
8 X+ W8 S- z& ~+ @! V9 I7 z[trade-record-all] of customer) > 3 ); o, o$ R) f% z! f$ a9 R5 ^8 H
[0 k( f1 j, r; F* @. q" M
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1): x6 Y3 b5 X) h0 l2 {0 U0 w6 J
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
; l9 [* a/ d7 L2 K[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
+ U0 J2 \9 @# L4 K, ~]# ]) M) [$ b, T0 M5 n6 i
] B. q- T O, k @
set global-proportion note* y9 W3 R: K" H2 u
]
7 E A. p$ E+ e6 send6 B$ ^6 H9 k8 A! |
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to do-trade5 T d6 C& s- c: n
;;这个过程实际上是给双方作出评价的过程 G/ p' P1 L! S* V: @" {6 c* V
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价 c1 K: L) L' D: f% i' A& A5 j g e
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价- f5 J2 c+ P2 N) s: v8 g( K
set trade-record-current lput(timer) trade-record-current' N Z$ m" O3 E! ~0 L3 V) I
;;评价时间4 \' ^2 O I7 r) q# ?
ask myself [+ {& U* B3 X+ r6 F6 ^& q! L* }
update-local-reputation& R" {8 B4 @# n4 `1 l
set trade-record-current lput([local-reputation] of myself) trade-record-current
9 Q6 x. z% {$ \* T8 X, I, a! k]
# ^: M- S9 K+ v& A% k5 Cset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
9 i9 }$ ~/ j( i9 z3 M9 l! r;;将此次交易的记录加入到trade-record-one中
+ w9 s- z5 \7 yset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
* {2 {1 Z* c7 [let note (item 2 trade-record-current )
0 {4 f6 g) l$ P! E* |set trade-record-current
9 t5 N. d U9 ~5 I0 z4 f8 e8 ?/ Q+ C(replace-item 2 trade-record-current (item 3 trade-record-current))
, R* W+ z+ G$ e W3 `- y3 b4 hset trade-record-current
% l( @* s2 E. j% H(replace-item 3 trade-record-current note)
/ j7 v2 {6 ]2 a" k
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+ h- Y% a1 S4 Mask customer [
( n; |# o) Y. k+ ]+ z" xupdate-local-reputation2 x, I/ e. i. b( A( A7 C( ~0 v
set trade-record-current4 b2 @1 r; M- Y1 `
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
6 x$ u4 `0 z( W2 I5 g]
7 H' x4 b5 g# f/ L3 b! [5 @2 ] v1 Q- ?& A/ a m3 B
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set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
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set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
7 `# D& a8 d3 ]1 E0 s- U;;将此次交易的记录加入到customer的trade-record-all中
Y2 T, u* g/ P- @' N" D# Dend
9 q$ j9 N4 [- F# ]+ N0 k& }6 ]9 D1 h6 N$ L3 J4 d' Z; A/ _
to update-local-reputation% ~* ^1 d3 A V: ]& |! x' y
set [trade-record-one-len] of myself length [trade-record-one] of myself
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+ l5 `, Z7 k; d- S1 ^! k/ e1 o( K c( {
;;if [trade-record-one-len] of myself > 3
7 w, V. @# `/ Q: {* o+ q2 J! nupdate-neighbor-total( z7 m' |- S! N: j9 m
;;更新邻居节点的数目,在此进行. ` m8 I; x5 L8 d0 _1 i
let i 3
+ W- L4 Y* I; w" h/ V2 |let sum-time 0
; i$ B* F4 X. P) X! M$ W; ewhile[i < [trade-record-one-len] of myself]
( W! q; M! N9 O, O# e[8 P9 e- r1 C2 M& q/ X& p
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
7 w' h; @# e2 e7 i3 }2 O/ @1 oset i+ l- n2 M% L2 n/ {
( i + 1)
9 l, h: E# m: d]4 A( m; [' Y& O7 O$ H+ n' `
let j 31 d& S7 Z0 T0 m7 K# F1 C1 D
let sum-money 0
7 F' |& O" D3 ywhile[j < [trade-record-one-len] of myself]
1 q) J: w0 M) B% Z) g5 r[) i8 A! R8 c2 h0 [/ w
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)& Q: v& P. [6 i
set j
8 T, l4 M, H( @# H7 V- X( j + 1)
g7 \. _' ] r- x4 c, r]; o. J0 |$ K) z+ S
let k 3
: [: n3 d8 u$ f! M$ Zlet power 09 Z) h6 O6 n. ^' p* a
let local 0
. |1 d& L6 x. Y. j7 ^while [k <[trade-record-one-len] of myself], H# S1 O/ F) S5 i- Q
[
% N/ B. V: {/ l' A: \! tset 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) 7 J* ~) X/ s5 l( E
set k (k + 1)
9 [+ r5 s: q6 _, H) S1 M% ^]5 C8 M1 d! H4 N- b6 T
set [local-reputation] of myself (local), X- [# A" [1 P* J" f/ A
end% x ]0 s8 g ]% B& S, @
: _3 `+ W r$ z6 Gto update-neighbor-total! B* d$ n4 I. G: E: _7 ]
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if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]0 U" R( R* Y9 E: V; `' ^3 z( Z! G
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. [, b: P( o) c9 M
end
b" F9 _1 v2 {, C# u
" Z! y2 h! m2 @to update-credibility-ijl . M) z4 X1 o/ x5 w) F" B* d+ _
- r# L5 }! @& w- r( T1 ^. B$ }+ g
;;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。
* g2 M' M; j; S, ?, ]2 ^$ ]( H2 }let l 0
/ `& P+ H. L! O5 ]while[ l < people ]
: O( b. L) C. d7 A: R9 q" N1 p;;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
7 i8 b! ~+ d# Z; V, t- f3 p2 A4 F[
. P" D4 S$ N6 |! O$ ~3 hlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)! [5 M6 c! ^$ H% i3 G- q: z3 Q* d
if (trade-record-one-j-l-len > 3)
4 [: A8 T9 s) X7 @ A6 v[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$ e4 E, Y5 }! N8 Z( B. f$ I E
let i 3; Z6 y/ Q9 p" F3 z+ ?
let sum-time 07 y. G3 U6 V" t+ d
while[i < trade-record-one-len]4 i; |# p. i, @$ Z! \
[' _# u6 h5 j$ g/ i/ ~3 x( I" j3 h
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )( H7 y3 W1 n$ ^" V
set i
7 F% `/ L7 H$ h/ O, P8 Z( i + 1)
; F$ i8 L9 {2 o; Y/ p$ `% L]2 `1 ~# H' H. ~4 [! y K: T) `' w8 D
let credibility-i-j-l 0
, h" B. w; Q7 z( j;;i评价(j对jl的评价)
; f; I. Z$ ?+ {" blet j 3
* K6 |4 L% Y: }9 ~! s Glet k 48 `7 c) j" D" B$ u7 }' r4 R$ [
while[j < trade-record-one-len]
5 \/ d5 V0 O( H* j. A2 h8 S[8 a7 i: J `/ @4 k5 d, V4 G2 n
while [((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8 o q+ w% A4 T4 `. O- Q5 s+ R0 M
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)9 K) S+ t: v) u! u; e8 ~
set j
( o* t' x H. B$ k# C: Q. @# P( j + 1): P! w- q6 i$ L/ [; g( K
]. s! I$ \9 P8 R
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 ))& q( H' H$ D; T0 x- W) @! w
% Q; b0 ^+ f& E# R
4 O7 Q H. Z+ y: C4 }
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
5 H9 V: ^; f7 t( e- P;;及时更新i对l的评价质量的评价
8 u6 b9 W: o$ {- Kset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]% \1 g' ^/ R" r5 f5 n( f+ m/ }, d1 }
set l (l + 1)" p% I8 t5 n* ?% B% J3 O& P
]
: [: e: F, y$ F% Iend. M8 j# X) W$ ^/ {4 ]
' ~ Z i/ E' H4 s ]to update-credibility-list
; b0 N4 D& P+ Q# Y9 v% flet i 0
4 M, |" M$ \( Y. J6 w: F2 ?9 Vwhile[i < people]0 o2 D7 C+ B0 o; H
[; o/ T; A' A0 @, {% a
let j 0
G; q2 u% o, }# v/ Q. Q; Clet note 0/ c* P7 t9 f& M8 \% s0 G
let k 0* B& S5 b& y6 D X+ R# T
;;计作出过评价的邻居节点的数目3 }, H5 Z' t, U8 {7 M! H# L
while[j < people]# `) [; ~/ a$ O
[) e; ~# i- O! _+ q, `: \
if (item j( [credibility] of turtle (i + 1)) != -1)
7 t& u/ s, H# ^/ X: y;;判断是否给本turtle的评价质量做出过评价的节点5 s. C- {( _7 m5 I- J' U
[set note (note + item j ([credibility]of turtle (i + 1)))1 x; W0 ^: d) O ]+ T/ w8 \
;;*(exp (-(people - 2)))/(people - 2))]
9 q& u, V* ]1 e7 @7 ]( {# W; Rset k (k + 1)
2 {# N. R# [. n, _5 X0 B]. C4 P8 Q& i0 \9 U. `% F
set j (j + 1)
& @* X7 I5 G0 K6 X9 Y* i]9 y* a1 T& G' J" F* e3 N
set note (note *(exp (- (1 / k)))/ k)) C+ W9 P& J! v3 o l! A
set credibility-list (replace-item i credibility-list note)
1 L6 J9 v; _2 W% x* e9 I. i: @3 I; gset i (i + 1)" {! j0 S; x2 y' O! V9 a" y: @
]( P( I- P1 x7 e5 ]
end$ c7 x) t/ h. j: j$ G& E& X6 f
" ~* a" w3 R8 l/ x ]' M
to update-global-reputation-list+ e8 P& Z3 A( ?" T$ ^0 ~
let j 0
7 A" }% @: m. bwhile[j < people]) @' V5 M5 ^8 j, M( O
[, \$ a# o. H* V+ J
let new 0
( x3 l% B1 J* k5 w0 n$ u1 L/ F;;暂存新的一个全局声誉
$ A% ]# W) G; _' R9 slet i 0
1 E- j7 v6 d9 |! z( r. z1 G' m: ulet sum-money 0( y$ y8 i3 }3 H' i
let credibility-money 0$ o( U( r$ L2 y! l; k
while [i < people]: S3 ^4 ?% {' S0 D" \7 \7 L9 [
[
" _" `& J' V) gset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))4 C1 G5 x& Y! P* j
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
$ S5 L" H/ o4 z' Wset i (i + 1)
8 e B* p8 A! v]8 I, d% w* ~2 G; Y4 b
let k 0
: A0 o/ }% P* s+ Alet new1 0$ Y! x8 j7 J' Y6 Z6 `& Y6 L
while [k < people]0 o! N. |: F9 S$ d; H# f
[: ^2 g3 G9 l! E/ ?
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)( Y% A) [2 c4 X
set k (k + 1). D- M+ R, ?$ R* F" @. j7 d* m. P
]8 H/ F, M4 a s; t r
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
3 X) P- O( Z. o' ]0 E/ ]) N1 l. Uset global-reputation-list (replace-item j global-reputation-list new)
( i j* ^" b- @. P& {1 ^# vset j (j + 1)8 n- }5 r; u4 j6 J" G
]
" [1 z. i3 a: d. y- q2 o9 send# O1 d2 H) c: B% p w# G, {
" N( Z% I: Z. ~* A
1 x" T% \( ]' M/ v4 y
& H; @( a# T1 k% zto get-color( D: K6 A3 T# [; a: i/ I
* k0 s; q1 v9 v {set color blue( K5 m# a- o6 s& E5 X4 Z
end3 Y6 x& w% }# T2 r0 X
0 [/ H2 I; E5 {& E- Tto poll-class
K* h" a1 I+ O' J" b" q& mend" ~3 `' T! ^; y
/ {2 K$ I/ s9 t
to setup-plot1$ Z$ u% r+ _. {
0 i/ U* s' Z' u+ dset-current-plot "Trends-of-Local-reputation"
9 b" Q3 A1 `; ?' @1 t+ M! z' h s- U) ^8 j L9 x2 O5 w+ }
set-plot-x-range 0 xmax
, ] n: T' }% G5 h8 L9 ?; O/ r5 l, [8 y9 ]6 c
set-plot-y-range 0.0 ymax
* k9 x7 x( Y( \& C, D" [end" ^; F `" h! a
6 L9 o- N9 s: ~" fto setup-plot2; V" Z- s. e/ `! x4 q
5 w! k8 m/ `6 M' o* ^6 J% C* Eset-current-plot "Trends-of-global-reputation"8 z$ S, Y+ q9 O" K( X7 ?
) X$ z" J8 Q3 H/ ~. |
set-plot-x-range 0 xmax) q* W! w! I7 |
1 _) ^/ k* P1 P1 w5 X% O2 nset-plot-y-range 0.0 ymax
0 n7 x& m- s' c* cend
' ^* r9 T3 g+ x# [3 L# h: _* I8 d" T k! f' _
to setup-plot3, ?2 c9 O H' ?& c$ ]
, O- D2 U1 a: ~8 Q" ]' o
set-current-plot "Trends-of-credibility"
& v6 q5 W( V* o8 j* l7 Q: w3 V- i+ V) h1 v; x1 t+ m
set-plot-x-range 0 xmax, r" E: X; C8 D( k, _. q9 a. K" D
5 i% R! U% n' T1 }$ D2 Sset-plot-y-range 0.0 ymax" K% j0 R* A* W$ o. n
end
" Z3 Z/ b$ B" M* Y4 W
3 F' U/ N/ s. \- Kto do-plots
. W g0 {9 M/ v( Y* Wset-current-plot "Trends-of-Local-reputation"
& B( m: t/ m2 q) m1 bset-current-plot-pen "Honest service", \6 @6 y/ |+ |" p
end4 M1 S& ~3 y9 j6 `" _: _
' s6 [. x% G* Q6 w8 f
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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