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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 q' O- `' h3 i( R% I3 a& L! z5 ^# ?3 Y
globals[
8 H8 k2 V( ]5 E8 n, cxmax
, M# _' n/ c2 w# I! b8 k- eymax
" L. L# P: g$ R( n% O( k+ aglobal-reputation-list
/ W9 B& R& K7 U. J$ [+ G- V- o8 z7 d; J# V2 R, o) ]
;;每一个turtle的全局声誉都存在此LIST中
7 M4 l% _& t' ?$ N6 i5 T' Icredibility-list
$ p( D/ n6 S4 k# t;;每一个turtle的评价可信度
2 s. G) H1 X1 Ehonest-service; B1 Y2 i. Z. L6 y! e! l' {: I
unhonest-service+ \; o: h" d4 N( g
oscillation
w- p+ |/ @7 n8 ~# yrand-dynamic
: ?2 [3 u9 z, N7 {* {]3 [) q! v8 k7 e/ {) L
! }% K6 e2 n5 Pturtles-own[; N4 N: p) Y- J3 m5 _0 d
trade-record-all
4 e7 X* f8 r5 o( @* j$ O& q;;a list of lists,由trade-record-one组成
& x% F1 e, v8 P B4 j. ^2 Itrade-record-one
, i' @. V: i+ C;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录! v# Z2 ? @- e7 b$ X+ a: t
2 D, @1 d5 Z: b$ k5 W: q/ Q
;;[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 x; q1 Q/ A: }2 n0 Y2 P! Q6 rtrade-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]
6 j3 D' ^, _: B+ Q& V% ycredibility-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
. c" S/ k3 ~/ J |1 b) P$ B6 Yneighbor-total
1 Q: D9 _0 |9 G4 G* O; m6 |;;记录该turtle的邻居节点的数目
3 h. U7 A% [# M9 Etrade-time! D6 y) A: c) T: {
;;当前发生交易的turtle的交易时间
4 n$ L4 N6 u; \. [. |/ [3 O& `appraise-give" @! _0 m9 s3 ?- c$ _. Y& x
;;当前发生交易时给出的评价, C1 B" _7 T& S2 F; W, E" e
appraise-receive
3 g$ [; i6 ]2 ];;当前发生交易时收到的评价, \/ h) D$ A( X1 f4 W7 m
appraise-time
4 {! F9 J* b/ l3 {6 G1 W;;当前发生交易时的评价时间% l" L: F' c' }. D- |! S! |
local-reputation-now;;此次交易后相对于对方turtle的局部声誉! ^9 h9 D% R/ s+ h# h* C" e
trade-times-total
0 D) W# C/ z* R( V9 O;;与当前turtle的交易总次数
$ _+ ?* @" p% b1 V2 j2 M4 H7 btrade-money-total: O$ r; C r* G) c5 k O# O$ f
;;与当前turtle的交易总金额6 z& v/ Y4 m: H/ d
local-reputation# P4 G7 J2 J- c
global-reputation
+ g6 c7 l! s- q/ q* ucredibility
6 v# j, C& U) ]+ o5 w;;评价可信度,每次交易后都需要更新
( D! S- j" N, O* S) ?% A" ncredibility-all
3 K2 J# I% b9 h2 @;;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) I& s$ u% y3 K( N( y) m
. ?. U1 ]8 C0 n;;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
% [9 a% k8 P6 O1 ?credibility-one: L% ?4 [9 a2 h4 x4 c# T7 z$ n
;;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
( \) _* ^4 [* i: Y r( xglobal-proportion
8 {9 G- z; ~4 M7 t$ Zcustomer/ q- n) P! {; C: v# `. U$ E
customer-no
2 U6 N! _- }* Vtrust-ok+ z& _: o8 ]% }5 f" u; A
trade-record-one-len;;trade-record-one的长度
+ ~- w* [% M7 ~% ], O6 `0 t]$ J: e3 L% l$ R) f: w) f5 T
( G" J0 o9 F# R. p4 Y' T. Y;;setup procedure$ L1 u9 s. r" I( y( H
1 \% U% B: V0 O4 u" ^, R$ h k* O7 n
to setup* L m: U! B* S8 ]" R, \
, { e! U3 K% a" f" A
ca
+ c! q" b4 m" l& B$ U
1 D- G0 W3 \. c' |initialize-settings
w1 B+ w* J7 F/ W# c: Y
4 j0 h) Y1 Z; `: X+ Z/ u' U2 k8 \crt people [setup-turtles], I- S) H+ S) y3 M) u }$ B/ E2 s
+ S9 b6 X0 M8 J4 s6 @' x8 G$ z
reset-timer4 @- `, ?, f( ?: T
' T6 {- Z! c' J. f. g5 X+ Bpoll-class
6 x; F4 \/ C4 G8 F
3 B& }0 w" }8 o5 W/ o' A. isetup-plots
7 c3 ~" R/ ^5 ?% k
! s$ H9 w' V( z( Jdo-plots
4 R: T V: K5 \$ P2 u: Bend/ {: F# C: l/ s# p2 c. g4 K" ~, G
' ~3 S$ n" i; e6 ]" I
to initialize-settings, [7 X% h+ f& c7 b. R! H
5 k9 @" Y1 [; W% W
set global-reputation-list []
, W* F! E" y( e! A5 a# [: k2 K# ^
set credibility-list n-values people [0.5]2 C* K: F& l+ g. ^$ q6 ^
& M' p& P4 d, [" Kset honest-service 0
/ ]& r3 b# d) j6 Q2 z0 n5 n! i- C0 a" C
set unhonest-service 0& N6 `; Z$ u+ U; I# L3 n R* ]2 \
: c" _7 T! J/ D5 T/ A' jset oscillation 0, S- Q7 s$ x# M3 K
5 X5 J4 ~5 Q5 }' M; f9 z
set rand-dynamic 0
6 N0 w+ Q8 [/ G9 e5 Kend- V7 A4 M# o; R1 v
( A, D* l, ?- C# x/ I! Xto setup-turtles 7 v$ B" z& p3 |. c$ S! F( D
set shape "person"" P$ f' w. r% f6 F
setxy random-xcor random-ycor
4 z2 I( L- c4 V9 N8 Tset trade-record-one []
: E5 Y$ H/ a. W! T6 ?& q, M0 b4 x. E
set trade-record-all n-values people [(list (? + 1) 0 0)]
- y% m5 E, ~6 M0 P( t; C' r5 S4 Q' m5 y( \/ k/ ?
set trade-record-current []
( V9 k, D9 f2 ]1 {2 pset credibility-receive []& |! i4 ]% {9 V' V; _0 b) s
set local-reputation 0.56 C8 J' @; D7 V, L3 N
set neighbor-total 0, j& F$ `/ t$ f4 U! j+ R' T
set trade-times-total 0
! L: O* A$ r% |$ h7 }set trade-money-total 0' E D v3 z. w( L# k
set customer nobody- Y. z$ b9 d$ h- _7 V
set credibility-all n-values people [creat-credibility]
9 m5 j: n) R# T, O. I+ v Oset credibility n-values people [-1]% R, P; Y: q' K( d" ]& j. Q; E1 a' `
get-color* Y& B+ @' B; L
5 U8 Q2 O2 }; a' q+ o) B8 Uend
7 Y) |& O. F( I. _3 v) A& B3 P% m2 W; m) g# ]$ i4 a# _. Z. @
to-report creat-credibility
2 I% S% s4 D8 M9 _2 Y! \ zreport n-values people [0.5]. E* V1 }/ R! s9 T. j) k6 ~7 ]
end) Y9 ~2 P& P2 Y( e; F
$ k6 _ G' w* n3 j, W; }
to setup-plots0 w* s& n" F# ? k8 q6 i
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set xmax 30
7 M; u5 b$ b+ ]1 _& V" k$ O: q1 U- v" Y( z, e: u* t
set ymax 1.0
# [* M6 B" r- y, h6 s3 ` O; r
. x% x3 b4 A9 Z% t, x7 ?/ oclear-all-plots' [( ?* u, _5 c9 k6 D
" K) y* E, @8 ?! ]0 b* e
setup-plot17 q) B1 c5 U0 \- b
8 o0 X; q0 x/ r- K! zsetup-plot2
8 h6 Z4 R* _' ~; [
( u! g1 A7 q* E7 a. jsetup-plot3
" J4 ]& T4 c4 H( |5 K5 Eend
+ H8 q1 F, a" E3 Q/ x; m6 |
9 z( \5 h) m+ `! J0 R7 n+ ~9 \7 N;;run time procedures% V& N2 F) x6 \# s9 X. R' V6 G
" U( I, B8 G5 a Wto go
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$ X$ Z$ v8 n% b U6 K9 \ask turtles [do-business]
: w9 s! M. ]. E7 w% {+ m9 m iend' p. p2 {0 ~: Y& j) M6 m _
+ q- F3 u; B, |5 n. J W: Bto do-business
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0 E6 O! T; S4 N$ j# E9 L# B
2 z, U' i; q7 ?& F& Crt random 360
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fd 1
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! ^7 d* W( z" T9 }ifelse(other turtles-here != nobody)[
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& C7 h8 [% S! \) o0 R+ S" hset customer one-of other turtles-here
* S1 V- {0 ~" i+ b( I7 x; R3 z p. ^( x) Q g5 _3 p
;; set [customer] of customer myself# C" _- C5 Y! w6 j
Q* B) ?2 c7 D. M# O9 e
set [trade-record-one] of self item (([who] of customer) - 1)' A7 {3 q- M, D$ e$ X: Y- }
[trade-record-all]of self) K& q% l8 `: m
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self! _! _ V. ]% B& G8 z3 A2 k
* r* O- O( f8 {, t! a) ~( |
set [trade-record-one] of customer item (([who] of self) - 1)
) I7 W! c* r! V/ G* v5 V[trade-record-all]of customer' O, P6 U, `$ T. Q( I
; ^7 l' T* k8 r6 Z3 @7 \4 ^
set [trade-record-one-len] of self length [trade-record-one] of self }/ d7 T6 ~- Z/ k7 ]9 X
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set trade-record-current( list (timer) (random money-upper-limit))( S' P# r, w9 Y$ U( [4 L- W3 v
% n8 p3 J, `/ N: I
ask self [do-trust]
7 E; J0 b7 X q% Y0 };;先求i对j的信任度
% z! {- _! X7 R s% s" \9 g% q& V& C$ U1 a, }/ Y( s
if ([trust-ok] of self)
% T! m$ L* t4 q( c* w [;;根据i对j的信任度来决定是否与j进行交易[; L: x6 V& v4 p, a
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself4 }; w0 S: v& s3 {6 ^* R
% P( b \2 A( i8 n[1 @( v% c; e5 |
& z6 P$ f* z0 w* ado-trade
' p, l; L# _% Z3 b: @- w. p5 X) p$ ~! d, J7 |1 S, C$ Y& H7 d
update-credibility-ijl
- B7 S9 U: n e0 P% Q
; F" ^& j3 V& ]0 O9 C3 ~update-credibility-list; p$ r" G+ {: J, v/ e
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update-global-reputation-list
+ R2 W* N8 }- w) Y1 W3 k
! o5 {: H }$ U% T$ a! k6 ~poll-class8 E" k h5 `7 B4 ]5 X
7 J* \7 V5 `# H2 g* fget-color
! l/ n7 E, }7 j6 I1 J
) {1 T+ F$ I, E) v) }1 U) s]]% E9 I* b+ A4 f2 G
) F- U1 a0 {$ ~. F+ A% a" x;;如果所得的信任度满足条件,则进行交易
& b6 g: m8 ^# Q, Q4 O) M: T! d J+ S0 o4 q2 ]) X) y! p" B) C
[
6 p+ y. R! j' q. a0 U! W& p, L
( s! L5 W; m H) J5 krt random 360: T, I& z' d8 Y' d% J
I1 \6 `2 L3 k# Efd 1
% Q- S* P) a) ^; I
$ _) F; ]9 ? J7 L4 l# d& Y% a% \]$ u9 [& S* q% h5 _
% s0 |- @ Y- `3 T, Tend; R* R# s* y2 M' O7 S/ D
* L% v# {3 Q) k4 b3 n
to do-trust * T" ?/ {7 B5 ~
set trust-ok False
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/ j, P$ P- \# h. `) ylet max-trade-times 0
. o# p) f1 S* T* Z& `% _foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]], m' o! r* u. x& c6 f/ v& a
let max-trade-money 0
) k+ L, x3 r0 ~1 \! lforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]& T( o/ \2 _8 S) G! H' A8 z/ |: c
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
4 c8 x1 ^- Y1 p6 L: d3 y. z7 y0 m' w6 q( G
* P# t' R5 R( ~4 L: j$ T& [- a
get-global-proportion
7 }: h# W* s5 e0 Slet trust-value
5 N- D$ X% a* s' h" ]$ a+ W' b5 H+ zlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)$ H; V1 \3 e& x2 {
if(trust-value > trade-trust-value)3 o4 ]# k$ ?2 v' V
[set trust-ok true]
- r5 N" p2 S& qend
2 I" h8 l- E# {9 E' U* f6 c- Z4 D, i4 U& r0 B1 n- w3 ?* Q! i S9 X6 x, @" H
to get-global-proportion8 n1 d ^3 Y% ] u' R3 E6 m
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)% I8 I7 ~6 b! U
[set global-proportion 0], I: V& ?! J0 F$ I/ n$ D
[let i 0. @* V, q( }; w6 u, P
let sum-money 0
. Z1 P6 E1 r- ]% vwhile[ i < people]
; h! L. K! M5 j6 ?. _! G: v[, F% i4 n7 \0 G& f. f* P9 _
if( length (item i6 H; Q8 c4 I; ]( i
[trade-record-all] of customer) > 3 )
; K' T. {# o% A[4 A" B% d$ m# K1 s; _
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))! j1 v/ Y: {4 B) D2 U0 q
]
0 o2 ? W% ^6 ]) x]
$ u3 s! E, J5 J Jlet j 05 N3 U; s( D" }
let note 0' _/ C9 w* i' X
while[ j < people]' W. C4 a X* e1 D; Z9 A
[
) K+ d, x4 S6 O1 V9 Pif( length (item i0 k: B) A: A* I+ y) d) F- h) c
[trade-record-all] of customer) > 3 )1 m* n% ?! x7 l0 t5 Y# a7 ?
[
( c$ z) I; _* v" h9 U+ }ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
( X$ S( U# K2 K6 Q$ f: L[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]! O2 M6 X( ]* |. v
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
) K" C9 y2 n0 n* [( H7 P]- \2 Z' v; U$ t/ R* [
]. m% g/ {' p+ J/ r$ |$ z$ p
set global-proportion note
, s5 y7 h0 A' Z! ?4 t]/ A- b- n9 X& ^+ G) Z( R
end
3 [) v( U B) Q8 A& }
) ^! j) k9 E! J2 {% b7 Mto do-trade1 X$ v& g8 T% W/ v
;;这个过程实际上是给双方作出评价的过程
! @' o& o! G& Nset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
2 F9 N9 f! v+ P9 O8 D- Sset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
0 |* g4 g4 ~7 V, ?4 C& g3 hset trade-record-current lput(timer) trade-record-current
5 y# @- e, t9 D;;评价时间
/ X9 S& X$ X9 T7 B/ Fask myself [4 X/ `. `5 {1 F8 }( R1 Y
update-local-reputation
3 S% j4 U! y& B7 R" z9 L; \7 u9 cset trade-record-current lput([local-reputation] of myself) trade-record-current
, W- l6 w% |% ]6 X]6 V# F. j( w1 z, d# Q2 L# a6 U8 n
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself) e' z& j$ v6 U
;;将此次交易的记录加入到trade-record-one中
/ A! w& L- ]' Bset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
8 M6 h# W2 [/ S9 Nlet note (item 2 trade-record-current )" n/ a4 H/ i5 |4 {" A% g
set trade-record-current" o! _( U U" N, d2 k; Q
(replace-item 2 trade-record-current (item 3 trade-record-current))
6 g% L2 P4 {6 B- z, u; S3 T' _set trade-record-current5 _2 j0 `! t) @/ `- @$ o) K: E
(replace-item 3 trade-record-current note)
$ I+ f# u4 c! P- H9 b/ }+ S# s
5 ~% s! X- q7 l7 l$ d0 D1 p5 ^% o# I' A. h" a! Z" e. {
ask customer [
. f, P: |6 M. U2 K+ S# H, ?4 E1 @update-local-reputation
1 p. G% V/ |2 W0 z% g( xset trade-record-current
2 |9 t* U! e* G! D% _* e(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 3 q, q, n' n3 c: a- G
]9 `- l$ {! m: m1 f7 L6 J
3 m, r) s* ~! ]7 n: W4 y; e( }/ O. k: {, o
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
* A0 \9 O0 X' } w, P$ v' W3 @
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
. }- e# B& G( n' U( T9 w: |;;将此次交易的记录加入到customer的trade-record-all中
8 r' v; X. {/ R+ g$ \end
( C& O. F1 {$ F$ Q# ]8 U$ R' n" l# I! a# H. {' J* M% d4 \+ \8 a( A: e
to update-local-reputation' \0 s$ x2 n# [7 x0 {# d
set [trade-record-one-len] of myself length [trade-record-one] of myself
& r5 b( [" W# {" W; Q& s7 e! m* J; p9 Z: ?6 U# ]" S) z0 |
O1 u% ~! G6 \ \0 [' [;;if [trade-record-one-len] of myself > 3 & l$ ^5 y1 n% {1 ]! {; P
update-neighbor-total7 y% I) V+ m) H3 o) ?8 T) f8 N3 D
;;更新邻居节点的数目,在此进行
6 `% z G! s( V* O9 S; Nlet i 31 |: c3 H# J- V8 e
let sum-time 0& b8 j5 I$ \$ v% C$ A/ p* s' |
while[i < [trade-record-one-len] of myself]
8 ]1 z8 S6 y; p1 E[
1 C& a, K& o1 v; u) H3 ?5 @% eset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )% ^) K4 \1 @" l5 o+ v3 ?6 L
set i
9 F! Z4 e3 Z9 W0 u x% r( i + 1)4 v5 |8 ?' ~5 ]& M+ T7 }, `0 M
]3 l# N4 L- o- H! i1 A
let j 3
( Z. U/ v; p; g( l) f1 }2 Y/ vlet sum-money 0' O% C3 f3 v1 }, n9 i/ u: C- B% z
while[j < [trade-record-one-len] of myself]3 P$ `* ^) X. P) }; I6 y9 L/ j1 n4 I' K
[
7 w: }4 K* L9 d0 P+ gset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
8 ~. d, c- H' }5 ?0 }, uset j
4 W# E. U+ S1 M& \9 `- I8 ^( j + 1)5 P1 n, v' D: q+ u6 Z/ p) J
]
f5 `8 Z G' }; Mlet k 3
8 b. L: `$ v& Z* m a7 c1 Klet power 0
: U6 g2 A. u. N3 C2 olet local 0" X1 z: a3 H+ l
while [k <[trade-record-one-len] of myself]
( m$ b* v+ V0 ~% I" x[* m" e# S* v$ Y7 Z! z8 P
set 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)
! k' S3 A; j- s! P1 xset k (k + 1)
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set [local-reputation] of myself (local)
: F0 ]7 n% p) B5 I: v( b9 R3 z3 send$ k- G& }# U. s: A
, L h2 I" R- x
to update-neighbor-total5 }& Y9 @+ ?$ @
, \/ o R1 j( [if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
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end
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: |$ w! ?$ _7 Qto update-credibility-ijl
! \) [) ]# k) x& K7 G3 \0 Q
$ w0 B! b9 v9 G! T5 E;;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。: w# ]% E) V1 s# W
let l 0" o8 e( L# L& S i/ U) P
while[ l < people ]
- j. T. @8 Y- K( W0 ]! q( r;;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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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
, d6 U, T+ w6 C! U, G. @if (trade-record-one-j-l-len > 3)
& s% K4 h8 o7 ^4 r[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-one7 J. B6 B; q% X0 E9 f0 r
let i 3
. o X0 H3 P- ?0 |" alet sum-time 0
; i; Q ^3 ^0 o- W* T6 Bwhile[i < trade-record-one-len]
5 }# q* M* f( Z+ D. ]7 o[ P. D# U3 Q0 X. _9 V
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
) H/ [& |3 C$ O# U; e6 lset i5 O& N& [8 G3 X. H
( i + 1)& J& z7 }, G$ Q/ f8 J
]
6 D6 T4 ~' z/ e3 ulet credibility-i-j-l 03 @( [4 g2 e. n$ |# ]
;;i评价(j对jl的评价)* e! G( I# E/ T: r4 R8 {# V$ x+ s
let j 3
2 E2 v( z2 t% D4 D* c" l+ F# ^- plet k 4+ B$ i' r, r8 d# l
while[j < trade-record-one-len]! ?6 G" v$ g# j5 D& I/ p- P
[
4 c c5 V, s" u$ Pwhile [((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
. P/ g) p5 o0 l+ y( J) Sset 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)
; `4 L6 [* w% D3 yset j8 i: \/ n# d0 a7 k7 N* j T8 Z6 E
( j + 1)% p) I o6 N; V a/ W
]
r0 A* @. v0 h7 a% Y- `# j3 N9 {8 ?' aset [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 ))* J6 J' `2 K% {. \9 h
6 t/ g' D% C* j7 E
. B/ f; H6 R2 b! rlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))9 b @: _$ ?9 W( I* H8 s: A' Y$ m
;;及时更新i对l的评价质量的评价; P' e9 `) ?- d s8 u
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
3 l2 {- k$ u5 l. u( g _set l (l + 1)2 y( a7 X' Z! _
]
: J$ x, N% ?9 Send
# i2 G$ Z& T7 m, I1 o* \
9 B7 S* A5 T- P6 Y% Uto update-credibility-list, B& @- n K1 j% W) R; Z0 Y
let i 0) b1 q5 i1 z' {6 A1 I& u2 j
while[i < people]
& ~6 K; d4 a& X& D[5 W ?, H& X6 p# X% O
let j 0
6 c1 ]: [4 `$ {/ x3 B1 X# Z+ r, H. Zlet note 0
3 i5 \5 P( t) o7 {% _. y) l2 l- C5 dlet k 0
. i J) p2 t8 P8 J3 s;;计作出过评价的邻居节点的数目$ s$ S7 g0 v# _" I2 G; `
while[j < people]
4 e z# l" R" H0 C* }& g[
6 U4 I! v5 E; m( B1 c1 }if (item j( [credibility] of turtle (i + 1)) != -1)9 n3 L. |. _# y
;;判断是否给本turtle的评价质量做出过评价的节点
( T) e+ e! b" Y% i8 ?9 D[set note (note + item j ([credibility]of turtle (i + 1)))
4 `+ b8 H$ e8 F* n" L! U;;*(exp (-(people - 2)))/(people - 2))]# O( W. l7 q. {' w* @) j
set k (k + 1)4 a: w7 z/ x" M1 d6 y, v" j& R4 [: Z; Z% a F
]
5 p! ?) T0 [3 o7 Q2 l( V6 u) Iset j (j + 1)
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set note (note *(exp (- (1 / k)))/ k)
. A y2 n! G3 x5 z' L# o( rset credibility-list (replace-item i credibility-list note)- N; p" W g+ `6 z n
set i (i + 1)
1 [9 w. Z& Y1 d4 j5 D* J: S]4 t/ V: R8 ]; h) I
end* s+ r \- Y5 i! o/ R; I% s
+ ], l! E$ W9 P& _7 ito update-global-reputation-list- S! I3 ^, r5 _6 G" G
let j 0, ?. @) ] M5 ?, ?5 t
while[j < people], n& i3 U6 s3 i1 a) Y
[) U7 F( H J! m6 K
let new 0
) A. i! P& Y9 _7 l- c5 m, V7 N;;暂存新的一个全局声誉
8 f0 F1 @( t% l9 U9 K' tlet i 03 ~' D. [# A% S) p4 y/ U. _$ M
let sum-money 0
) R) m% B- }& |1 O6 Dlet credibility-money 0# S! H0 I+ k9 s. m
while [i < people] ]5 e: s# U- K# k
[
/ N; [5 p' a; H9 F6 Eset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
9 ]8 x: V# }. N" G9 l( nset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))& K7 ?# B8 r; H8 G5 ?
set i (i + 1)
5 \# i" M) @+ [7 [# _$ u]
! e' d6 T; K# b$ Glet k 0' Q. f6 u4 O) s7 e+ O
let new1 04 Y& J i, B& Y8 M: b2 f0 C
while [k < people]
$ n( e- t+ a7 p' ^[
$ c5 k" F8 W$ @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)
+ c4 k8 {1 m1 fset k (k + 1)- m) e S, W1 I) Y# [2 g1 d
]
) A8 s9 m9 j! R7 {set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
9 ?% J2 w! _1 R/ V+ L0 y6 Y: J1 Jset global-reputation-list (replace-item j global-reputation-list new)- k8 @# ^, q. e9 J! a5 M! ?
set j (j + 1)( E8 c% h# r) ~
]! b3 V8 S) {: F/ ~8 n
end$ S3 A) e) }4 I( y# m/ R
& h/ S |- G/ d* W6 f. E# _
* G6 B; @& g+ h: e9 l6 b
/ @/ r: u- j" l! P- L6 s/ V! Bto get-color
7 ?/ W3 g- f' }+ }6 a2 {) }
# ~% i- t2 y" g3 |0 i( eset color blue, {0 L3 m) n" p* N# H
end
2 l! N; e3 U) ~9 u% C) @. ?9 Y6 m' t$ O0 G
to poll-class& s' P; v6 {8 y3 X9 e9 X
end! \. u) Z+ G" b
3 n/ i& W5 _) ~: Z7 D1 A" a) tto setup-plot1
. K+ i; x2 L& y; n- ?' V( v' I, F- v
/ O+ C' }7 x$ T1 o; X! L1 Pset-current-plot "Trends-of-Local-reputation"" u0 i, p6 _7 s6 ^
; U# l$ L3 @2 E, X4 X5 S* g+ Rset-plot-x-range 0 xmax$ Z3 ]: s S$ ]! v
9 F8 \9 f) M4 A9 v* v5 ?0 R+ gset-plot-y-range 0.0 ymax* P8 M, e0 }5 ~
end
1 G2 o4 n8 R) Q3 }0 E3 J$ T# W: J( C( P6 _. |! t: ?* J; n% J% s
to setup-plot22 R9 p! ]/ P* k+ n
' r- U ]- m# k
set-current-plot "Trends-of-global-reputation"
2 Q' g, V, n/ F. R/ I5 ]( `: G, j/ F | `% c1 Y$ g4 @- z( z$ ]: h
set-plot-x-range 0 xmax
! c' O4 O* H' [9 t9 H: N. g0 h* j, e0 t ?8 |, v2 c8 Z) F3 R. ]
set-plot-y-range 0.0 ymax
9 H: H5 q& c% r7 S2 Iend/ a# Q9 @& I/ T2 @& b8 n% K
8 u( I3 Y* _3 X% T+ l/ C. |
to setup-plot36 }2 q( ^$ W9 j3 Z' n$ H
) S' K N% ]3 g! [$ ]set-current-plot "Trends-of-credibility"$ O7 w+ ^) J. q; `3 {
' ?% `1 L* y: T G, |- E
set-plot-x-range 0 xmax7 T! e8 w3 p) V% H4 C8 m. {
( T+ V& f7 S: Y% h/ M5 uset-plot-y-range 0.0 ymax
~5 m" N7 T+ q2 x* b2 n" jend
" W4 d6 R2 I" I7 \# L, ]
( I0 [4 K; ]7 `0 `6 pto do-plots
% b! g9 n6 R, ~# E$ lset-current-plot "Trends-of-Local-reputation"
# R: P6 f+ o5 o' _* xset-current-plot-pen "Honest service"1 w9 T4 N+ q: ?# U4 C
end! _) I( c1 b0 }. S
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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