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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
; z8 S' v8 ~! J C& y9 e. u/ E$ q0 Qglobals[3 K; B+ V. }' N0 f& ?% ^: e
xmax& W. x& `4 n$ i( I8 J
ymax
6 }3 X1 r* h8 T" b& _9 qglobal-reputation-list
+ `# F" g+ \: C# ?+ T \ _ z7 S( P) |% ]) W7 c" o2 k4 I
;;每一个turtle的全局声誉都存在此LIST中0 B. p2 k8 [) [# S
credibility-list
! ]" Y1 E9 ]- z) p;;每一个turtle的评价可信度
( v7 `3 ~" Q2 S9 s$ Lhonest-service" O' ?7 E4 p4 U) y
unhonest-service
! L( Y1 |+ w8 L0 {$ N3 U+ P* Moscillation
, R [# Q) R' @9 A( e/ `1 |" {6 Crand-dynamic+ T, M! B; v2 T+ z+ |; y' L9 N
]
" W* C1 i3 g8 k4 R9 r7 @9 |2 p. s1 ?( ^( g* D6 v
turtles-own[
5 |+ H, ~. p0 \: ctrade-record-all* M, U/ E9 b" [* ^4 S5 p
;;a list of lists,由trade-record-one组成& {0 A# S( M: z* M
trade-record-one
9 V h- j9 D: r3 t3 A- k;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录. E; r5 A+ z4 B# ~+ f
1 X- n( j1 H, E# _;;[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]]
+ l3 b, ^# T& J0 @% Etrade-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]
$ x1 S$ U' w y+ Y3 Q( Icredibility-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
. K/ [$ j! v9 U3 V/ C/ Xneighbor-total
" h) ]$ o4 L9 D3 a$ C;;记录该turtle的邻居节点的数目! c. w6 I$ F# p. {
trade-time
3 j! D+ S& ~4 a' a/ M;;当前发生交易的turtle的交易时间
/ Y" B, S0 W1 d0 a. rappraise-give' _ l+ O, P0 j
;;当前发生交易时给出的评价
7 J n' Y6 f; j. a# s8 oappraise-receive
, |* C- b& K6 t ^$ I3 [;;当前发生交易时收到的评价* M; F1 N% B$ \" A# @; Y- n
appraise-time
/ T6 {7 q+ n1 h2 P;;当前发生交易时的评价时间6 Y @7 ]7 S6 z& q- N7 U
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
" G( D& f- C/ k d1 ztrade-times-total
- I; [1 W2 q% j% {- A1 q;;与当前turtle的交易总次数
) N% b- V: v gtrade-money-total
+ u, ]# u7 O) c;;与当前turtle的交易总金额& I H6 T9 h9 U( O- }- D! E
local-reputation4 y1 [: G& K( n, m/ y) O3 w
global-reputation# e2 |7 y, P! b. x
credibility
; S# \* u2 ^3 s" ?( q;;评价可信度,每次交易后都需要更新
6 e) }4 Q: W% @credibility-all
' M5 Q2 H4 R# y;;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- J5 z. h+ L* P) ]5 l: Z! H& B1 k
/ t/ I1 A; u. h) G5 ~;;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
0 p) \! N; A1 I$ wcredibility-one
' A8 ^8 N. [/ r- 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7 N1 U9 Q( P, p& |# N
global-proportion% K- z9 U" g4 _" P" b
customer) N3 B& G1 K, G. I7 k
customer-no( J* i* {: _ v
trust-ok
- e! }) o/ `* etrade-record-one-len;;trade-record-one的长度% N5 P4 G4 a7 u
]
3 c3 E" \; _# O4 j: @. s
0 H' P; r. J; A0 l r3 z;;setup procedure
g4 A+ v g) @
( d: a1 j' s; n% d1 }6 uto setup0 f" [+ {$ n" T# G6 m, |' N
# w5 X- s' c+ O& N# }; \
ca& o6 M1 t6 T1 F& W. V8 Q$ _
: w1 {2 m$ c V. F- F, ginitialize-settings
: z5 n( q6 ^. `4 S7 w7 r" s/ T9 n/ N3 C& f( j* e
crt people [setup-turtles]6 C* e4 L `, f8 a( d4 [
$ j( K! M3 o# Xreset-timer
# y$ M% X8 U% C+ p4 n2 B9 U/ Z; w; m- O5 y( ^+ m
poll-class$ V7 G5 ]0 c. ]+ T' e
# x5 y. G J2 j+ r# J. P) @" r
setup-plots
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do-plots
5 q- ~- l" v* p% Q+ X0 ~end
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to initialize-settings' k( [& j- W' E: {: I. Q
' N1 b9 V$ }+ |. W4 iset global-reputation-list []
5 J; j/ x2 [" G G( e4 x# E2 [0 M
set credibility-list n-values people [0.5]- F* C& Y+ h8 L0 Q8 R
. u2 m9 f8 w0 t+ Hset honest-service 0+ c2 H- E" i5 D+ M1 \2 I( h2 j5 w% h
4 o& A! p0 [0 H% }. E( o
set unhonest-service 0
/ P& ^3 J$ z" ]$ `) R( {
) d# Z1 q: I4 \, y: ~( lset oscillation 0
* X4 Z- ~2 j! ^$ ~
; G* X* ? q3 x' uset rand-dynamic 00 Z4 M7 {8 @$ Z$ L" J" b8 }
end
; S$ {" T4 d7 }% _" n! i' W, z) \/ B
to setup-turtles 8 `2 X7 Y! ~5 W9 _4 H- _
set shape "person"+ t- v& u! S" U7 z, R* `
setxy random-xcor random-ycor
, T" R8 I. X$ V h4 ]2 zset trade-record-one []7 F6 @3 `6 A; x
: I7 X$ ?, \; A5 k6 {4 p" M! Hset trade-record-all n-values people [(list (? + 1) 0 0)]
* f5 Q4 p3 J' o; V
% ~# s: r' { n9 K% {- u( Cset trade-record-current []
$ w1 F4 g$ w: h0 o. U* I; [set credibility-receive []9 d& @% m9 D0 o9 i
set local-reputation 0.5
5 }$ B6 Y) F& n a, |set neighbor-total 0
$ v% D. @0 l G/ d8 Zset trade-times-total 0
& J b4 C/ l+ T: Eset trade-money-total 0
) q% u2 l& g9 w( pset customer nobody
3 @; b) j9 p0 e- q9 Hset credibility-all n-values people [creat-credibility]% H) ~$ C+ y) }& o7 Q
set credibility n-values people [-1]
" W0 b; j$ S$ b$ Bget-color/ u* Y4 z5 d: q, [: x
1 a, e. M, {) m; {& Hend
* O* e& {) M; q2 r
. e1 d9 k, N; C4 ?to-report creat-credibility
# |0 ?6 [! ~) I1 Lreport n-values people [0.5]$ u% J" f! `" w
end
% D6 S' q6 C) v, n2 `' I. Y7 U+ h' @
3 J3 ]5 ]6 J6 I, i. R% g0 vto setup-plots
7 N) C2 u( R3 A9 y' y
2 i( ?, }+ Y0 E* \: B" V' jset xmax 307 v( R) I) g5 A3 R+ Y' I
0 a! I5 u/ X5 K* o+ q( C
set ymax 1.07 v' F( q( w& a. u6 G
. P7 X9 [# r2 e* W U1 a
clear-all-plots
. r1 i5 M( g }3 S
5 Z" e" {# C1 F% q/ r1 ?$ osetup-plot1
" @$ i. N* S7 {; K0 H- o h% i+ { i1 Y9 W/ D7 z7 I
setup-plot2
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setup-plot3( Q* ~% U" [- s
end
: e: T* P4 ?' I3 g! s, R: }6 Z2 }8 @; s6 X
;;run time procedures
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to go2 x+ A! s" N, u: Q* _1 R8 a
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ask turtles [do-business]
) }8 E: t2 V! W9 L' r. T8 lend
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to do-business
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9 A- m) S# G7 X; {% @* E3 C4 f9 Q: o+ J
rt random 360
, W& \( ^+ D8 I( e/ i2 n* ]
& e% o& Y1 p' h. Qfd 1
* s9 S0 j W2 l8 A4 p* W* x/ ^! I) s7 S1 V4 O; T$ a* D" f3 [
ifelse(other turtles-here != nobody)[8 e0 D. F* M: r: ]4 q4 h
! @" E7 L+ n. N1 H8 I
set customer one-of other turtles-here7 Z, ~6 c. H& U: _: T+ N1 m3 o
& y% s8 W* k6 }( d. W$ b;; set [customer] of customer myself
6 ^/ ?( G0 @/ x! y4 W( J: r5 n8 W/ w) u4 @4 S
set [trade-record-one] of self item (([who] of customer) - 1)- i7 \3 G. u- `& A! q H
[trade-record-all]of self( }' d0 q R$ i4 Y
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self4 G6 s9 Z5 r# v. M# z0 e
0 t; i% C" |- x" t# i3 dset [trade-record-one] of customer item (([who] of self) - 1)' @+ T8 n# O6 R w. G- o7 R( R1 z
[trade-record-all]of customer
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set [trade-record-one-len] of self length [trade-record-one] of self# A% b. P6 F8 \9 }2 f
" R7 `, V) R3 t! S, N
set trade-record-current( list (timer) (random money-upper-limit))
% |; Q: _& A" ~$ F
' x7 y7 k8 B, t" u6 Lask self [do-trust]2 y- ~3 S }% j. R
;;先求i对j的信任度
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if ([trust-ok] of self): _ G8 z+ p8 x& x/ `4 S
;;根据i对j的信任度来决定是否与j进行交易[
5 F+ J2 ?% A" x, O! k9 a9 hask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
+ Q. N% Q+ [1 p# P% h9 e
. E# f" _ O; s4 q[! V& @% z( T2 a! Q# ^
. E. g9 B* p T' U4 K( ~! B& ido-trade0 j5 F6 d) V8 r6 d/ w3 w5 D6 d
6 T6 L7 u) c+ x0 b. c1 z
update-credibility-ijl' H3 x( }) p9 L9 s3 b8 Q
, R6 S4 Z2 P7 A1 |update-credibility-list) s- C/ @# X, s7 ~9 |* }! i, Y
+ c( Q0 b- f- o/ q) g( O* k
, [* T9 T. T, t, g9 H( O4 y
update-global-reputation-list
# p9 l/ `& R, `, U8 r$ p, ~
- g3 s0 C4 _' h& hpoll-class
! C6 |4 t+ i) W9 L& B9 B+ }: Y+ D7 f3 l/ X( V6 {, j1 I+ T
get-color
5 G3 _; q7 X+ ?& A9 }' O
0 k Y+ @( L) ^; n]]
; x/ b. p/ e- f& [2 o$ i0 S0 d$ `
;;如果所得的信任度满足条件,则进行交易& U0 C) I/ O% w+ i9 a" F" o* G- y
2 \ f) m8 N6 @& ]7 ^& v* `[8 H8 z9 V3 E) j ^, |& ~( |
8 _7 |- D. t- o% m' W
rt random 360* N }! _ k9 l, L! @7 M- o
. n# @# ~3 M, A, c4 \: k4 f1 k: Kfd 1: m5 v& b9 L/ m$ q0 T
/ L1 J0 A9 [5 z/ A
]9 P# o! h* G% Y2 @/ r; f- _
& T' y7 Q' X/ c+ j0 Zend1 P" S( T7 r O3 e+ a
: J( o, m+ M. F9 |to do-trust : w3 E- k# Y0 ]) K9 W9 h
set trust-ok False
$ ? e. s- I- d, }$ g$ f2 P, V9 x4 d
+ Q, T" s8 @/ G; _- y* z9 _0 B+ C. c/ K" e: m. B+ N0 C; X: y
let max-trade-times 0
- a6 m: C: t6 Q3 i' {( t0 Dforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]3 d0 K, }3 y( `) a, z7 e
let max-trade-money 0
5 @4 B# x# w% {$ a2 kforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
( g* V/ E, t; i" N: 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))2 q7 ?# ~, J: y" u7 K% w8 V
7 Q9 S. \6 x. g6 i n7 _" B) z$ v' P
6 k/ y; h" q' Aget-global-proportion
) }" \$ N4 Q# O7 p/ [) L$ Mlet trust-value
8 |) a {# N$ qlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
! t9 I8 j" t0 `* J* l9 k$ \if(trust-value > trade-trust-value)
/ s# ~! E' K6 }, J/ l( ][set trust-ok true]$ N- S4 L6 I' {+ w q3 c" o. V+ a
end
% w/ V9 O# r& F9 Y5 A8 e# y
* u6 i) L$ B+ l, |* w3 J$ J' f) Zto get-global-proportion1 y" g0 A& \( b9 M7 y
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
$ A* |3 m8 J4 D* d9 j[set global-proportion 0]8 S; b& b+ V( ]- F
[let i 0
& e- I7 p" I- K) S4 R. ?let sum-money 07 d$ d6 z) Z& A# {- j" w
while[ i < people]
9 M6 F. V* ^3 v# f1 }' @: p[
0 B8 _: g! j2 B) t2 Kif( length (item i
9 o8 o& D# w v' A# j* D* M/ U+ i$ w2 q[trade-record-all] of customer) > 3 )
m( O% p) O5 I9 ?) H; ~2 P[: b8 h: K& L) @, C
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))' P% N& ^+ U1 N' b
]
# E/ Z/ c( ?. O* v, ]1 N5 d]3 G' x1 u6 _$ h, E' z4 R: ]" K! O
let j 0
* V( I& Z; J; ~: R- d0 ylet note 0; `& r8 p( |1 P2 J/ s
while[ j < people]/ u9 L# p+ C; c# D; C. Z* F
[% W% h* }4 A4 U1 p% {
if( length (item i; O7 F, Y1 Y# X0 n9 z5 I0 U; z
[trade-record-all] of customer) > 3 )0 m' D& A8 s& i; v
[8 o( ]% M8 ~; _/ A
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)6 T% m. z4 I4 b6 y% e
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
h0 a2 z/ g4 M B, e[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
; t/ A! n5 k; ~/ a# v8 l]& o3 H6 K& G; X4 ]! n$ D0 B
]
9 S: U" z; U: ?9 ?% t5 I' w+ dset global-proportion note
# w$ ]$ W& L) R+ a9 j! A& J]* l. {! O' ?4 D: j: n5 @7 [4 k
end
# \* V0 C/ E; d0 R/ A1 {& p, k( V) I# X: ^( _. I% `+ _
to do-trade4 O: Q% S e- q7 T6 {! d
;;这个过程实际上是给双方作出评价的过程
' T* G7 D" g" n+ }! y' n9 Wset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价4 C& a% D, Y7 J7 a! ~/ S
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
3 T* m* U F8 ^$ h8 k9 f0 a3 yset trade-record-current lput(timer) trade-record-current! h2 Q( v, U$ @
;;评价时间: ?1 v& _+ x* V
ask myself [1 u' L J" C% Z' z' \8 J. ?
update-local-reputation$ o( r/ b/ k- j# @& e
set trade-record-current lput([local-reputation] of myself) trade-record-current
- L" m. G7 s8 }2 J* r]
; ?4 H; \ `' X( \0 [0 iset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
2 }' C" I5 D t+ L7 L;;将此次交易的记录加入到trade-record-one中* e* B2 n0 h* j- \2 M
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
/ `9 O) L) X# q) X: qlet note (item 2 trade-record-current )
9 u6 f( A% Q9 K4 i9 i) ^" Dset trade-record-current4 c. r7 n w- d' `. W0 ~+ y: a# W
(replace-item 2 trade-record-current (item 3 trade-record-current))8 ^" }5 q% X1 N0 T% R( ]4 A
set trade-record-current
|4 c% U& R" R$ V(replace-item 3 trade-record-current note), K5 R/ _3 Z$ l( O
4 G3 V+ x# K8 _& X
9 S7 v/ J5 J! q* } B/ I
ask customer [4 h! ~! t+ ?# v8 B% a) k
update-local-reputation
* f6 f8 N, I/ z8 i& b; {set trade-record-current* L$ Z% [- s- o+ f# b8 t
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
' f, `- G: A/ o+ I7 E% {]7 E% \) m" Y7 d- O. k/ X; N
5 E7 U# U6 J# o- d9 m+ a/ f2 Z& L
% R0 B, M1 J2 P" [. j+ @% Vset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer$ k3 g0 t4 H+ {: c( q3 W6 J2 ^
$ G8 ?" d7 |: p! ?* Cset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))1 d- l k1 E/ E3 t
;;将此次交易的记录加入到customer的trade-record-all中7 q9 y% K5 k! y6 v* W, }3 X5 G8 p. R. J
end
% I L' n+ d9 t$ p8 X3 y2 ?2 Q
* \0 b. h2 a, ito update-local-reputation
# E7 `( c. c8 W4 R! R" G3 C8 Sset [trade-record-one-len] of myself length [trade-record-one] of myself
3 k. A. c% p: h6 ]% S j7 X
6 y0 T- N* |: s8 w+ V9 G/ |8 X( k# ^8 v3 S; ~
;;if [trade-record-one-len] of myself > 3 ; K; F$ G# S$ \. l/ u( k. `' ]% S2 K/ t
update-neighbor-total! Q5 h3 o- x7 h6 X
;;更新邻居节点的数目,在此进行# i1 I8 c: B0 G X) u! ~
let i 3
' j6 O' g* G4 h' H( p+ s' Flet sum-time 0! L" x- y- d3 A( \5 j& a2 Z6 X
while[i < [trade-record-one-len] of myself]/ O' ]' M/ a. L1 P! `
[, D' C" l' L8 n' ~0 N
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
9 H& g% v7 ~) [0 Uset i
/ V0 l. T- y9 C/ I8 B( i + 1)
: X( J* M; X5 x$ F" F2 j]7 f! Y# p2 p9 {5 y0 v! ^- x
let j 30 ^7 ^" E. I. z$ C% N6 l
let sum-money 09 X b3 V2 \1 A, h
while[j < [trade-record-one-len] of myself]
1 x. \8 C6 ` m" M[+ j% c e. D: Y, g: O
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)
e6 s! f/ Q3 ]# gset j% @& K8 C0 i, A" @, h2 ?; V
( j + 1)
4 b) {' o" x$ ?0 m5 ?9 I]
# X% F9 E. M( p' m8 A: Wlet k 39 D" a# W1 Y$ }/ f, s( J
let power 0
/ z' {% d0 J7 H4 W9 M6 ?let local 08 X5 O& P8 x) |) J9 j* _, E
while [k <[trade-record-one-len] of myself]
$ T# B8 N$ m3 z9 J) ~- v) D[
- D! f4 c+ t: ]! mset 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)
( x6 x# ^5 ?; G5 |3 ?set k (k + 1)
2 d8 j, T+ l" a/ @8 R9 e3 C0 p]: y# i5 o% C8 ^5 ]% z
set [local-reputation] of myself (local)
8 Q" I) X' O( j) {# W7 Gend$ u/ }4 o' g- `' h
( b# k8 B# u: g, W% {% ]
to update-neighbor-total6 e+ b0 f& d+ h* g: ^+ `
8 y- |( X- k# W5 L* B, iif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]! X3 k0 F, B. L8 c# y% d
( o# F4 w: `* _' v- b) k& o Z5 \7 z
R, t" _2 I; lend2 k/ f4 [: c) {4 v1 f
2 E( ]' V$ G3 d) [2 L% f7 y2 N& S' }
to update-credibility-ijl " Q: G$ \& E( a7 r; \
4 y0 v9 W4 g' g& g. [. o;;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。' a; s( U. i' i6 U9 a
let l 0
% O: p$ I0 s3 x1 j! `while[ l < people ]
6 Y- \: j) j# }! c& z" F9 };;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
! J1 ^ t- U9 U& j2 g8 K; o( j- d[
9 |; E4 f. ~1 dlet trade-record-one-j-l-len length item l ([trade-record-all] of customer): Y i z E5 \) H
if (trade-record-one-j-l-len > 3)
/ u4 }& M) X2 q5 g[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
9 b. h1 T0 j }; g! v Blet i 3# a* n) G! U" f) j/ G
let sum-time 0 S: a) ^$ D: Q0 D; M* J3 p
while[i < trade-record-one-len]1 b: n9 z# R w: W* H
[
4 V3 ^+ ]' W8 y1 M- vset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ); T# }! N/ P& {8 o6 ~; H: I. l
set i6 _( Y/ ?- v9 @/ V. A+ z+ {
( i + 1) M. ^* ~" t* j4 w: c
]
! N0 X. e4 e) Q8 |8 K i. K& Clet credibility-i-j-l 0( Z# ^' e5 p' r: A
;;i评价(j对jl的评价)" L b6 L6 Q7 K0 J' f" i
let j 3' i2 _; C$ j% A' Z( y( v7 `. r9 N; i
let k 4
+ j c+ I9 M# K% Pwhile[j < trade-record-one-len]5 \2 }7 @" f& Y* m
[7 ]( k# ^6 b2 h5 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
: [$ Z4 l z4 |% c2 a/ p8 fset 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)
- o" ~8 z$ u* x$ Tset j: L3 l7 v* S, E( S
( j + 1)
: s" E+ \( ]6 m" c( G] U+ v' @# P2 U+ c9 J
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 ))
2 p7 v- y- A: A, J i/ n' `& z: u: C* \" k6 x
" j- S7 B5 g/ i- b2 Hlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
; ?, ]" I; x [. G3 B5 [;;及时更新i对l的评价质量的评价) n* D2 \9 B& A9 u: j D
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]6 m6 M! i6 K' d& C
set l (l + 1)
8 Y6 k2 h$ U% K; r! l3 S]$ d8 @; S" y7 F* S
end
: [$ y: s0 K6 ]$ E7 D
- j" n2 G* Q& [to update-credibility-list
9 Q9 Q+ P- B; y3 p7 Elet i 00 R) l! l5 q# z
while[i < people]' ^0 ~- _8 w3 W( ^4 j2 W, F5 u
[6 Q3 u3 x/ C2 {( x* U( r V
let j 0
" H; o; r4 J2 E4 L3 A9 Ulet note 0$ s2 J2 j3 i3 F+ B3 |3 D. t
let k 0
# Q' d: C% H% M8 [4 u7 \;;计作出过评价的邻居节点的数目! W( }! H9 p8 d6 O
while[j < people]. _) L9 D5 R: V, d5 Z
[
8 ` S/ X0 V4 x- p& Iif (item j( [credibility] of turtle (i + 1)) != -1)
& f* O6 N) l) O6 L) F;;判断是否给本turtle的评价质量做出过评价的节点( K1 g+ L, w, T5 r. u, |
[set note (note + item j ([credibility]of turtle (i + 1)))# Q7 ^7 U$ R: V5 [9 c2 X. Y" P( U
;;*(exp (-(people - 2)))/(people - 2))]
# N' |; E# M2 N" m: M- F8 e4 Uset k (k + 1)) N7 p% f0 J* K
]- k3 E1 Q8 k0 \! o5 x# o! Z
set j (j + 1)& I1 s' F0 H+ A/ n
]. K O8 Y+ ^6 Q
set note (note *(exp (- (1 / k)))/ k)
- G- g4 p- f" [7 D" Vset credibility-list (replace-item i credibility-list note)
5 @; T0 y( c- {# ^, A+ zset i (i + 1)7 L( F, p% s' Z3 F( N
]' `' u. ^) Q. o& F7 \8 A1 ^- |5 J: W
end
/ T" @& ^3 N: S' u4 D1 n8 G
/ y- X0 @" r+ ^! |, D$ a* e. Gto update-global-reputation-list
9 c$ Z3 m2 i1 C, _, V! k4 Xlet j 0
; K$ t" V8 ]9 Q+ Jwhile[j < people]- l4 Y( g& F/ h+ J- p
[8 B* P8 e& V5 P2 j, ^6 G" H! i. j
let new 0
) d& V' f2 @: x. ?8 M;;暂存新的一个全局声誉
. _; E2 v. x1 [9 L w4 m0 d+ Tlet i 04 M. O! u. q+ ^) O; Y$ Y
let sum-money 0
5 a/ [0 P: y0 Wlet credibility-money 0
# F; b' e+ Y) ^: Hwhile [i < people]- s# S4 a. a3 w, Q' Q
[+ z+ @. Y W5 w
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))* ?& N# X" E3 f6 b/ b! r
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))0 N% |# a( {! ]8 p
set i (i + 1)& V( C2 E3 k0 ~ D
]( P* a; B& _; }2 j
let k 0! \4 x# M Y" C0 h; N/ `* ~! P1 W
let new1 0
( q% H+ ?' F3 Lwhile [k < people]/ t2 D- |; @" V( X3 X0 y6 X
[3 [ l: X8 F3 [( |' j
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)3 q& u8 N* |7 N( x% B) G
set k (k + 1); e: H: _, u! b% w; h. P% Y
]
T2 k# Q; Y0 j$ w$ R& Aset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) - u; G) Q7 q/ v" l6 T
set global-reputation-list (replace-item j global-reputation-list new)
* j0 I# |: O3 p+ q* l% Sset j (j + 1)( a) I' b9 }, Z$ q
]
2 _1 D) P6 A) Z" N: m+ Eend' K/ U' E# a0 B6 `$ v" _
: J. ~0 b/ v( ^1 y$ ?) {/ X2 l) |! y; N4 v* L
1 j$ }* p# l1 l7 @to get-color8 t3 ]# x+ Y. }+ K+ }
- |/ S, v$ y. {7 A& f4 a, O
set color blue
6 h; O3 j+ t/ ^; m# A: O' Dend
9 l7 F9 m4 ^0 T8 g
: k2 [, J- N4 h& t' K) x7 A4 b6 ito poll-class
* j3 \2 ~) @: b9 u' Gend
5 E1 L4 J' \8 T" A# X2 T
0 Y' b& s) P( n$ yto setup-plot1
- {8 b2 H: H: k5 I: P1 F+ Y& c
+ q( Q7 m. _; _, zset-current-plot "Trends-of-Local-reputation"
; [. x/ N) f* i: k1 J. c- K( R) k$ @6 Z* I# E
set-plot-x-range 0 xmax
4 @" `% \( `' ?. _: k
0 w4 V9 j3 r% Iset-plot-y-range 0.0 ymax
# N4 N, W) `. e9 C; xend
; S v! L+ t" N$ M: w' n: F+ K; G* Z* z. ?0 t9 l5 k
to setup-plot2
- V" }% \) A5 O/ t( a- `4 I* {# a- P3 x/ J5 [
set-current-plot "Trends-of-global-reputation"
' a W. r1 G, v" W2 H' F
( j4 M6 K& ]: [& o; \- }! h2 Sset-plot-x-range 0 xmax
! p7 q1 n& q. Q: ?7 v7 p& O0 R {4 F/ U% u. f+ |# O
set-plot-y-range 0.0 ymax5 }5 Z) u! L" k( |1 E- E( A1 V6 Q
end' F8 T2 R# c- b4 ]9 f& `5 F
5 ]# o; q# z* u. Tto setup-plot3
" s x+ `9 N2 u. i4 e/ h1 V) n9 \2 q. J2 d+ J+ a) |5 j
set-current-plot "Trends-of-credibility" z, V. R4 S8 v8 _7 [& O! }" x
: w, A- f( h N8 K# ^" l" hset-plot-x-range 0 xmax9 n- j; X* z a1 X
$ c9 a* N! P# H- D
set-plot-y-range 0.0 ymax
) k1 s( y& E( _; C* E1 t" _% J" Iend
4 w* n# T z6 C* U, {0 y4 o# Q+ F+ d5 J+ \. U9 }- J
to do-plots( F, Y8 ~* y, h e5 e" Y/ G3 @! Y
set-current-plot "Trends-of-Local-reputation"4 c; \" W- G" r9 i/ |
set-current-plot-pen "Honest service" I3 z5 q7 P& ?$ H# M5 {# z2 N: D
end
0 P. B3 e1 S5 a0 P$ R) p6 K( r
" }) V' i. O! ~[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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