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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
/ d( y- f9 G' ?- q7 }globals[
' j, k/ Y; s( k) qxmax! L+ @# t: h" l7 ?3 t0 c) _* w: k
ymax
% P1 y' F0 K0 U# D7 b. Hglobal-reputation-list1 N5 W: x s0 ]" m* A# x% J
P M6 l5 v2 |3 G& |" U
;;每一个turtle的全局声誉都存在此LIST中4 Y8 J# a4 E" l' X( m6 `
credibility-list' o- m. v! [! l/ p$ ~7 C+ X
;;每一个turtle的评价可信度
% {4 b3 \: s( H% H" T5 shonest-service k l) h7 A# C6 J" C- q5 x
unhonest-service
. g: j0 p4 {9 y, U9 e% j/ aoscillation6 g+ S& L0 I. \- }( B
rand-dynamic7 M7 ^) i$ l/ H; _2 Y
]
( u! j y1 w4 Q+ Z# w
6 ]; T9 P3 E1 ?2 s8 o) d& g2 l8 Mturtles-own[+ s$ d% [$ l* h0 N7 {
trade-record-all
$ L' Z$ C, \- Z2 E;;a list of lists,由trade-record-one组成& k2 Z) B' U* A8 d- D
trade-record-one
; Q% Z1 g' J p- a: Q9 P9 y" L;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
' ]! y# @% I" d" K z! L: c: n. S- ]! d4 W5 q; T5 j. d
;;[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]]3 @7 B% _: p5 l
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]
8 y5 \% ]5 v0 @' l& S3 Ucredibility-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. p9 Z& i2 `" f& {$ @6 P! K8 h3 r
neighbor-total- f# S* F' o% v' e
;;记录该turtle的邻居节点的数目
* s% d7 T( ]) @8 i1 K4 U& n7 ltrade-time
& F$ o9 X; j- t1 R- ]( Z;;当前发生交易的turtle的交易时间
$ I( P! S1 {8 Z* C& Zappraise-give8 s- v$ L+ h$ b" g
;;当前发生交易时给出的评价
: n7 y- A# O) I, ]appraise-receive6 @- e' a$ N8 C; u2 Z
;;当前发生交易时收到的评价: K L$ ?" L8 N7 e4 _
appraise-time
# o# u$ u; E% \; B: D" P4 @; E;;当前发生交易时的评价时间
7 _: S5 O9 t$ Q# E" w( l4 ?% ^: mlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉% l t. X: r. F j% R2 A3 v3 E. P
trade-times-total
7 s" I3 K3 x- c;;与当前turtle的交易总次数; R+ k6 i. G* a: g8 w
trade-money-total6 `0 P: V# N6 F/ g1 S* R- y
;;与当前turtle的交易总金额
# Z# Q8 e* U3 u( t# I- Q6 ~, Glocal-reputation
. Y, c9 C. M4 r$ {" U3 ?1 V. Rglobal-reputation
8 D# s+ J- L' wcredibility
# r+ x$ s7 ]0 i3 B! ?6 N;;评价可信度,每次交易后都需要更新9 G$ s! s* U: z: T+ X* `
credibility-all
+ F, d. z7 I' z) a" r& r, I;;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) J) b/ V% u+ C6 w$ W y# Z
* l$ f2 C- Q& |0 |1 A;;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 c2 _6 `4 V1 Wcredibility-one
# _: f2 a9 c! q$ b8 [8 L6 f% ^' _;;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
9 E7 ~ Z5 l8 B1 Bglobal-proportion
# R7 V ]* y7 k' g u! bcustomer
1 R+ B8 h9 A( \8 Icustomer-no
: q* Y0 k/ Z6 Q" d0 {" ftrust-ok5 O6 s5 }3 v: w( h6 J0 i
trade-record-one-len;;trade-record-one的长度" k9 ^7 z! b" x9 ?
]& ?: S U" H! ]0 A% \( o$ y+ {4 _: D8 ~
6 b. K: @8 H- |2 w
;;setup procedure
; c6 S/ ~4 P* S) m6 c* j! {6 k
: k; T# S6 N/ J4 l5 ^) `3 u+ gto setup
% D' z7 z s0 L; B# z) d8 p6 q J: W& K, D
ca
1 A3 g9 a1 w. X" i0 _, y) n. r0 d
initialize-settings
3 Z9 \1 C2 i1 e. A) J- F8 V# p' i5 C0 }" g, Q* {
crt people [setup-turtles]
7 w' S# d: l: W% x( |8 r0 x" k
# |1 n4 W, B; `- k6 @7 i! Creset-timer
/ }, s* Y6 z& r( Y' `
Z" U. o2 _) J& y i5 D. Spoll-class/ `4 m; P: x( {! z, i6 U0 t
! G/ l$ r. R: Psetup-plots
4 T, F$ J2 X7 Z: s, N0 a, v# u
& h0 |' |; h2 h# r. \do-plots7 M0 Y. z( }+ O" j6 I* J
end
7 p' y- e, C; w: z" Q# I% F1 {8 O& t3 E
to initialize-settings
l y7 _( ~, b: l$ T+ x$ H+ r$ G& R+ h) [- P! e: [
set global-reputation-list []
7 @4 t' v& c) s0 Y- X( p* ~
) y: _0 a; V$ F: ^. T; ~set credibility-list n-values people [0.5]
$ u' x1 Q" o, J, d( ]
# B S8 [% @) U9 Tset honest-service 0& C5 \+ }' |: @
6 c. u2 f/ U; Z" \
set unhonest-service 0
. ^2 j: V5 n# @# k8 x9 A" ~4 a# c* |' u: O
set oscillation 0; t) \4 s; w( T% s! f
% d' O7 ]* Z ^9 l' D
set rand-dynamic 0
; |! j& ~% ]6 i6 |, Tend
6 d% x0 ]0 I3 s" c: e2 V
7 p+ D- T. U1 n7 M' Wto setup-turtles
{4 X4 A0 ?0 ~! M# nset shape "person"
3 k' z/ U8 A! q. X' F. Psetxy random-xcor random-ycor
5 L5 u4 x, |8 L+ q; N2 Xset trade-record-one []& { k6 @* j, H0 z2 M3 \
: K, A, Y0 P ]3 [0 t$ q8 F9 Fset trade-record-all n-values people [(list (? + 1) 0 0)]
- h; N; O, b2 N
, r) [: C9 I9 uset trade-record-current []
$ f9 I) ~( t2 v9 n6 V* v1 L' dset credibility-receive []" x; o ]6 K4 S! o7 {. R
set local-reputation 0.5
6 ]9 _1 D% A4 v# tset neighbor-total 0! D4 Q; x9 ^9 M3 m4 h( G( v0 E
set trade-times-total 0
: M/ m% K: t# i. Z. Yset trade-money-total 0
% ~- d# T8 }, M$ a4 ]* W7 j2 i! Rset customer nobody
8 { v7 [; S2 V- J. _: B/ M+ p) j7 Oset credibility-all n-values people [creat-credibility]
# m: ~ B; ^5 b& \- Q Sset credibility n-values people [-1]6 U$ K/ T, Q2 R% g- ^$ Z9 {
get-color' I% e8 ^, z% E% U
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end; d5 h3 T; r0 j2 ]& T
( Z/ C' n3 Z1 T0 v+ L1 R `7 cto-report creat-credibility1 _$ }" H6 Z1 { o( ?1 L
report n-values people [0.5]/ n u8 b9 X% {) c5 Y& d
end
( t8 L5 l1 n5 z
* w7 U4 L K" A2 f; p* n6 @- bto setup-plots, A5 A$ T* ], L: A. S1 E9 H- A
5 p9 H. D) y& i& r, Z1 b. m# Oset xmax 300 c: |% R6 t# H
' ^% A! Q9 T7 xset ymax 1.0
8 c" L# W: b- \2 G: Z4 ]6 y8 W4 T1 o8 G/ X# W/ a" Y2 A+ Y. F: {, a
clear-all-plots+ Y: }; q; c) k7 _6 M u# F' c
) h4 d: k! O8 D7 fsetup-plot1
" ^: n) y( n+ S( [. q6 H) @& K" [. \- n
setup-plot2; H3 q* O, Z1 F: w! o1 K) @
L4 g( s1 Q {/ r+ J- {) O+ E
setup-plot3: U7 |0 T3 V, B4 n
end2 J2 q7 D, o2 J0 q7 q8 G3 o
9 t; v* b9 |+ ^9 \/ [& J;;run time procedures# {* f$ }6 l+ [
2 O5 p% K9 V0 M* v. }: u+ ^
to go
; D& h0 d2 x, q4 J
3 _, I1 p- |( I; Z9 ~ Qask turtles [do-business]: }& w8 e# {9 `' j0 n8 H
end
8 j ^: Z' \9 q$ l3 m u ?1 G" [
4 ^# M8 w# Q* h- |to do-business
3 {7 q7 O' x; U' `
" _+ G* y* Y% O$ c* k7 F" F& s$ K/ ~& n2 X4 ~" q: l4 c$ u, S1 b
rt random 360; L* r+ `# }4 {* e# l V
- w& p8 @+ ?1 v9 y. Ofd 1
$ x/ g8 F8 k" `5 @) E) N) `
( G; C: c$ I$ O) a+ F: iifelse(other turtles-here != nobody)[. ` g* I7 ]9 U7 w/ {
8 Z3 ]% L2 x3 o- {- u
set customer one-of other turtles-here0 [2 X4 G# ?8 m- n- K+ y
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;; set [customer] of customer myself
2 z0 J& X% s$ Z% d
& @- i5 Q( c4 A$ oset [trade-record-one] of self item (([who] of customer) - 1)5 H1 R5 b3 {0 k9 u3 A! f, U, g
[trade-record-all]of self
1 j" ^+ o" C8 H8 V$ q;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self( d n: p) |( s' A0 U+ |
, v* p+ ~5 R9 q/ }; [set [trade-record-one] of customer item (([who] of self) - 1)) F( y: P" @+ l
[trade-record-all]of customer
z5 h7 ~0 t( t r/ [
' J* O1 w! t7 E$ F" Zset [trade-record-one-len] of self length [trade-record-one] of self7 V9 ]6 F1 y& w% Z0 H+ V
1 E8 N; N5 {# D6 E6 k( B
set trade-record-current( list (timer) (random money-upper-limit))
; G4 U( I. v* i1 ?2 b5 d1 w9 Z9 v$ L3 c$ [0 j0 U
ask self [do-trust]; c( m3 e7 B- i& a
;;先求i对j的信任度9 B. c; K1 ^# K( S. B
6 k+ c1 Q7 X3 \- \+ D9 d
if ([trust-ok] of self)
" T; \6 { ]. V8 z;;根据i对j的信任度来决定是否与j进行交易[
8 E0 W# ^# N% h3 }/ L9 wask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
& S7 {% Q% \" N2 M ]
: q2 m2 I. }/ r, }$ f[
) L- W% O/ ^: o( o; u4 V3 {" X& k4 Y5 I9 u
do-trade
4 @: y, {- U5 M9 @; X2 W- s4 B( b- C$ V) ^- \6 {+ S* ?
update-credibility-ijl
; g7 ?$ n2 l, y, i
b$ _. q' Z- D. `$ B, t& `' Supdate-credibility-list3 x* f8 r" j. J/ v6 {
' s. F% ^/ }$ K
# A* F$ Y% Q3 u7 N5 Gupdate-global-reputation-list
; s, }9 `7 H3 p+ U" i
/ E2 j, n, b6 S8 I% lpoll-class* M. T7 v: ]: e0 l; L
6 W, W0 j$ O$ c& K4 U( b% X* n
get-color* x+ b8 D5 e. X
& L1 P% }6 E8 c; s) A# o Q]]
( F9 `: G% a3 e4 c- [# J" }- D( H( o
$ M% o. z" E1 e$ o0 Q$ o;;如果所得的信任度满足条件,则进行交易
# z) L& n* O' n+ o6 E. L4 z
2 j3 |! L( V0 ~1 x0 j[
/ t4 q$ N8 X* B( w
% ?3 `) f" e8 w5 _5 ^! Vrt random 3609 v7 h4 H; R5 I* }* G
- \; R5 N4 U# x1 Q& efd 1
5 Z! I7 l4 S% ^3 v3 C/ I# [% A6 z) H: j
]
) f0 w7 H; k9 R* ^# n7 j6 I4 b7 O( g( y4 x6 x* R
end" O. i$ h$ c' O1 u; o
! B) h! M% [. x+ Y0 G0 n# V# sto do-trust
" ^7 \7 A3 m) c% Nset trust-ok False8 H" K: A! j* q: q7 H! W
, l$ ?0 ^' d8 ]* N* k0 P/ C; J( }. y: E! X! @
let max-trade-times 0' W7 b8 t; g: R* k% i
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
4 M, x1 Z, _% Z! clet max-trade-money 0( a; X- `$ S$ R( L" V
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]( }5 Y& f9 D8 i2 i
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
( Y: ~2 f( P) s) T, J7 }* ` ^* _ I) }0 U5 d+ j
# B' w ~2 c: E9 R' j( M1 oget-global-proportion( h! _/ b: R* v5 \" j& y
let trust-value; F) g4 c6 o, K* B% @
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). z7 n2 B8 r& W- H" m0 n, L
if(trust-value > trade-trust-value)
: I3 A6 P; c% U; Y2 N[set trust-ok true]& K0 k1 M9 ~- ]# s4 [5 W: |
end
: r/ \* I0 B, r
& H( C# f2 s, H3 A7 A! Jto get-global-proportion
- H2 j, @' x6 Y1 e! m7 V) @3 Hifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3). n+ l1 i" y& H6 B5 D' F
[set global-proportion 0]# A! k1 D' K( B( J. h2 [
[let i 0
' b6 ]3 h* b6 u% jlet sum-money 0
+ X8 |+ X8 _( X+ M1 l0 ewhile[ i < people]
6 l0 X1 A/ Y; G; I2 l[
/ q' Z) Y; D' |: gif( length (item i
- D6 k5 M4 F+ n[trade-record-all] of customer) > 3 )
( V' _4 ?3 f$ {7 ?[ c, }8 V* ], e' t- v
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
) E" V9 I$ U+ n4 E; q]% P6 A/ i8 d/ v+ n
]; k$ o" u( _* B! ~
let j 0 F$ a. B4 [' W9 \, [4 H+ |2 N; N
let note 0
9 t& H' U9 p9 Y! {& `5 Swhile[ j < people]
* z' l# Q8 y& U" W( X[+ m$ J! b/ b9 {* o8 J
if( length (item i
. H2 `+ j' ~2 C+ y4 t[trade-record-all] of customer) > 3 )1 V2 A( {( Q% e" M( A4 D1 V9 I
[
# z% z* Z: |7 {) s% Yifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
1 y* _) t2 f# N# E[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
6 `4 ?6 L) w0 p[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
l& V2 q, ?! ?8 e, \]
; D4 | M! T, q$ u& ~]
( ?% t1 o8 D6 }set global-proportion note
, p) b' E+ }: h5 b, X8 O]
, P' E% L: e5 z4 Q$ W4 x/ gend/ v/ H: U( ^5 L# T5 e$ g7 I
2 B+ F8 ]; C/ u1 b5 vto do-trade& T: q* W) ]2 |$ A
;;这个过程实际上是给双方作出评价的过程! ]1 p4 V o8 w: L0 p6 A$ k
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
/ _; A3 U& i, e( lset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
% b S, n1 H$ v1 |, nset trade-record-current lput(timer) trade-record-current; D9 \6 g4 J+ O) m; W1 n) h
;;评价时间4 q9 z- R! p4 f7 S' r+ {
ask myself [
5 Z" i% P' E% Eupdate-local-reputation
8 t" M2 Y! ? x/ Q0 k% B% @8 sset trade-record-current lput([local-reputation] of myself) trade-record-current
! Z f/ `" j, D( p5 X8 u]+ r" H1 d* T, w' T! K
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself: D: ?# i6 A' b+ h2 K6 K) P
;;将此次交易的记录加入到trade-record-one中0 a# f( m. L1 Y4 G8 F& }& b
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
9 V0 H- C, A \4 k: ?3 k0 qlet note (item 2 trade-record-current ). D* ~; Q# s. X+ |( ~: u
set trade-record-current
' x0 ?% J v- \1 t5 l6 h5 y/ G(replace-item 2 trade-record-current (item 3 trade-record-current)). T8 n" \& T- z
set trade-record-current
; `5 g3 t7 ?" z/ K) `1 X(replace-item 3 trade-record-current note)
5 r% T; `+ J8 v9 g1 L# H0 o/ [- V; M
0 J8 r+ ~8 u' E$ d# O9 }% w8 oask customer [
g v3 j& b9 A! W( lupdate-local-reputation) [ H2 j. G0 c( g- H( o4 j
set trade-record-current* W% T# b- ~7 y8 Q" u3 e5 |% r2 j
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 5 N* R9 l, }8 W0 T
]
3 m: x2 Z8 z# W5 n
, F% d9 C9 O5 }4 V) K1 M3 S6 @9 q( N7 ]8 H
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer1 @* ^+ Q3 a; {, e9 ^4 s8 k
. D7 P: P% a% ~9 M) q" ]/ Y8 mset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
[; r& v/ a2 };;将此次交易的记录加入到customer的trade-record-all中
6 G7 a& C T* m# z3 b/ send6 X; R6 j# e2 ^) y/ e" q- T
5 }! u' r8 L- ~; V, Yto update-local-reputation1 o8 }9 n; P- f, l' o/ H, X
set [trade-record-one-len] of myself length [trade-record-one] of myself8 p. e3 E h$ [& ?9 B! Y
2 o% O- j5 U2 n) F9 E
9 z. D" ]- r0 }6 a" R( j;;if [trade-record-one-len] of myself > 3 ' S% w: R/ ?' R6 Q
update-neighbor-total, _/ M8 S& \5 Z& @4 C" m
;;更新邻居节点的数目,在此进行7 m5 A# N2 I2 {
let i 3% _* V7 h% G- k* `; b2 n1 A
let sum-time 02 T8 Y0 M: d S) |, B; h
while[i < [trade-record-one-len] of myself]
) D" q+ A' F# n) A! n6 u) Y. p[: s8 P2 o' |: _% v; L* i; c; M4 I
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )8 v6 J! U0 \8 ]; @3 A Z1 O w
set i6 Z4 B: I9 f$ b8 D
( i + 1)* ~& e5 d s& o) B d
]
" Q5 `9 @4 h0 G& ^# X- `let j 3
# e) s5 J" v0 _let sum-money 0 n1 D2 q! K H) v( k. M. P. @
while[j < [trade-record-one-len] of myself]; D2 _1 z7 J8 s" }0 q. \
[+ j; C& P' a( o! @5 | z, d2 n/ l
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)
) u- V* v9 `$ b; kset j
7 v1 S# N0 F8 M* f' f0 t( j + 1)8 D0 @! l! |+ I" r
]
# F$ l" m# ?$ Z( d8 L, vlet k 3. `1 o! K" ]# r" S. \' g1 h
let power 0
9 u' @; u& f7 X- I9 |* D& i: z( D: Slet local 0
0 u1 o3 {, L7 rwhile [k <[trade-record-one-len] of myself]. [, j: v% t4 B7 g; e$ x
[
y: _9 J/ f( K5 s6 M% G: u Cset 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)
& t" F( e0 |* u$ i+ e& Fset k (k + 1)5 r: }! C" g3 S: V# s2 O' f1 |* v
]2 Q5 B) {, k1 P. P. o: g
set [local-reputation] of myself (local)
3 g) a3 k, N% |! ^" n% Z1 Oend
8 V& ?! Y+ E. A& z/ X7 _) I3 o( h% E
to update-neighbor-total" s& B* e" D+ j) w7 A
) L3 L7 i, |2 K$ `7 hif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
9 a `, Q8 ]' P7 R" H9 M- Z2 j% z0 L0 `" K" S
) K6 p2 f+ C5 I# Dend
) ^" P e2 ^5 n, F' H0 g
4 D# }0 ]6 h. N; R0 Qto update-credibility-ijl ( k3 P9 \/ d q e; k
5 F; ] K: Y; V# \;;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。
% O- Y2 n9 d! Q0 { ?) |# y Flet l 0
9 \0 E4 O0 U" d8 x& }9 ^3 xwhile[ l < people ]
* r" N- W9 `' R- }# W;;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% b5 P7 v9 |( n
[( j5 ^6 z, M2 c# q" P" k
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
F2 ~* h* t9 S& C6 P2 ]* ~% \if (trade-record-one-j-l-len > 3)2 K' n9 n- x2 C* T" F
[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
' ?- s/ h: B$ X) G3 Plet i 3
. J. c& U0 n; M: u; slet sum-time 0' |; |3 }5 X4 p7 G. G
while[i < trade-record-one-len]" e# y% \4 ~3 ^
[
5 H$ o9 P: B# }8 F8 G2 s5 l' qset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
. s! t8 d% d# Q8 B+ G5 Kset i8 P) o4 L8 ^& P2 g. ?3 [1 }
( i + 1)4 ?, T" K2 K* E! j g
]( \8 ?; {% L. O2 y# q
let credibility-i-j-l 0$ A1 u" L6 x; l, E* Z9 g
;;i评价(j对jl的评价)- X6 ~/ J$ j0 l+ o
let j 3; B& a8 A/ j4 S4 }6 t9 g( ]0 p: g( p
let k 4
' v! k7 [% s- R( `: `while[j < trade-record-one-len], X1 k, r: D+ @" j
[
+ `9 F8 K* X: R5 o9 Bwhile [((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- [5 `" N3 A* U* b: V) B
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)
B' J W4 o3 p' _ u4 I/ tset j
# D! N3 S( f$ r( q6 Z F( P: `2 r( j + 1)' {% E0 _& r: V, W E
]0 B* k% X h4 U( G. J5 B
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 ))
! l- g) m- Y( }5 o8 o1 V9 m$ }( W. s" _: S/ a, P' A
& p, _) d8 R( O5 N
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
1 u. W5 Y) |' Y6 ^;;及时更新i对l的评价质量的评价5 y0 ]7 B! l# A2 h% ]& w9 O
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]8 w' H6 O6 r3 W+ [- c, D h
set l (l + 1), ^6 ]' }5 i9 g2 n
]
c4 _0 u( d6 Q1 Iend7 i$ n( K$ k1 Q+ t/ i* e' ?
, T, u# [: {5 y! |
to update-credibility-list
5 c: P6 {( T- U0 B% @2 `let i 0
) L1 V0 j3 n0 e) Ywhile[i < people]4 ?, C. N( l& ]' h) |
[
2 R5 g# s4 W8 A0 h. M' z& xlet j 0
7 S9 H& E. ? m: k5 A7 F4 }! rlet note 0
" y* N, |9 i5 i: U+ ]let k 0; L$ a" e, q- M' j% w5 o
;;计作出过评价的邻居节点的数目# w# H$ ?9 q G5 O- ~0 R
while[j < people]& u5 w4 Z* R A. f
[
' p$ C) G6 I1 K3 ]if (item j( [credibility] of turtle (i + 1)) != -1)
: u% |5 A1 b3 I" C;;判断是否给本turtle的评价质量做出过评价的节点& S% A0 z% T' Y: ~' n
[set note (note + item j ([credibility]of turtle (i + 1)))
/ \ w- x+ T9 ^" D# ~;;*(exp (-(people - 2)))/(people - 2))]
, l* }, M" d& _' {3 eset k (k + 1)
y; o. Z, t/ q2 O& o. s- L3 J]
" ^* p" d- K; V2 b# ?; vset j (j + 1)1 x9 G2 Q D- F5 ^1 m& H4 S" {
]. ], d$ {2 o/ z( ?
set note (note *(exp (- (1 / k)))/ k)) s" }1 w2 l2 P& |' p
set credibility-list (replace-item i credibility-list note), o. \8 _, ?& v. K- O
set i (i + 1)# Y% ]( T8 U! ~7 S' c5 a0 x2 r
]
) v8 h$ `& w$ P: dend ]* m+ [+ h/ z
+ }- F5 a6 g: n& K* V& b+ P8 `to update-global-reputation-list
- ?4 @; I J! llet j 0% @: c* C j$ I, t
while[j < people]3 w) a, l$ H' n1 o
[
: j- O/ `) Z. xlet new 0
& Z2 A- u, B+ o' I! ]/ Y9 M: x;;暂存新的一个全局声誉
. X: {5 U* \# @5 P9 p4 r# Jlet i 02 Y6 n3 I8 E7 w5 v& p3 s# q/ G) u
let sum-money 0
, [' J- A9 u5 {let credibility-money 0
! ?7 }8 L' C2 cwhile [i < people]
/ r/ A% t7 X3 b0 Y[1 Y+ m" j$ J- L8 H" G
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
& w. y; B' Z x$ z% F- Hset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))! t) H* c% w: \! F% ~
set i (i + 1)
6 ^9 m: e8 e+ V]
& l4 T' a: d: m* j S0 E4 \7 _) Wlet k 0: p' l l; ^7 C0 S& l
let new1 03 _: @+ L9 @+ f) `8 h7 ^+ m1 @9 l1 O) ]
while [k < people]; A/ K. T4 c, N9 r. U( r
[
$ V: h' q, r- B- C# d/ nset 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)
+ ^# w* v- x' Aset k (k + 1)* v' f0 ]3 j' k5 \* A. r6 M/ z) X, {
]
1 w ^3 N& J, n6 _" A! K2 ?' u, Uset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ( [$ _2 M, b, S+ r3 w
set global-reputation-list (replace-item j global-reputation-list new)
/ j& ?3 p U& ^% x7 e% Tset j (j + 1)* {$ d3 ?6 u* a3 O5 P8 b$ [
]
# Q7 `8 W2 p& H8 w% Qend( x' V( M' Q" J C: H. r' c; ~2 v
% t: s A" W/ v/ O6 T. [! g
8 B1 h; m- K& [: n- Z9 \- X ?. d# g0 i
to get-color
. \) |, b( @" F; F5 H2 d3 k" d4 B& {/ {2 \! H/ I7 F) Y$ C4 S2 z
set color blue2 P- c- Y; ^; I7 b$ a% |& d
end
, B d- B3 S/ f2 c9 Z! k# f. U+ q7 L0 X; z4 A8 J) D5 ~/ |) }
to poll-class6 ?9 u: K7 D- t7 c7 ^
end
- b! G, r# T p. y, ?
! R2 @; d+ `) N. l% ato setup-plot1
/ G5 Y1 {( I- [% k1 B7 j# j! Z# o. n1 Y t$ M2 {0 E/ X& g' ?1 X) @; T
set-current-plot "Trends-of-Local-reputation"
; b1 G# |; r* o- V
$ O9 U$ E' N. y+ Bset-plot-x-range 0 xmax
: C$ a2 L! j o& q/ ~+ r, g# D% y1 E6 n! g0 |
set-plot-y-range 0.0 ymax- @4 N+ m1 a) U1 @ D1 A; Y( C
end* t0 q5 A; Y0 B# W& C1 @3 k
. V3 h, j& k% ^: r1 S8 gto setup-plot2
% P! a0 G/ I& k& d
, x! J$ _4 d$ a: w* xset-current-plot "Trends-of-global-reputation"
1 w( Q; Z; c- y
4 V) ~2 J. ]' j" d* Y% i$ @& hset-plot-x-range 0 xmax
7 A) x+ O4 G- p7 f$ R6 A- X! J; i* J, A F" y
set-plot-y-range 0.0 ymax
( H5 w; i! l/ w' _end& e8 S+ K) J# _; X# V
/ D W" A1 S: X$ \; G' v4 k( E1 L1 wto setup-plot3
' Y" l6 q0 ~2 F- ]$ {) I
4 E. {, C* y6 e' |5 `* q7 ]set-current-plot "Trends-of-credibility"; T1 A9 t2 f7 p) n8 `" j
5 n: P' J, j- A' n5 L Z! Z, nset-plot-x-range 0 xmax
7 m- B+ U! ]9 t, ? J+ w. M4 ~+ V! |) j6 J* B/ m
set-plot-y-range 0.0 ymax
+ C+ Y1 O. H/ C9 N6 z6 v7 _# Nend2 G# x. b1 r" x0 j" ~; h1 ^" L
, C" o i3 b) M- |to do-plots
3 Q2 A- f/ |7 t: n& d) {set-current-plot "Trends-of-Local-reputation"
5 ?& T3 m! b- q$ O' fset-current-plot-pen "Honest service"
& {4 B1 G k- B3 h( s' gend7 l) F7 y' s) r
: J' J7 k2 M9 o ?8 K; |- L[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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