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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9 H7 m9 w6 C, U
globals[% D4 z- I' u5 W6 G
xmax
* e. D2 Z I$ B/ X3 Zymax
- z4 j( u8 P3 bglobal-reputation-list
+ C' A" V1 l( E4 _; b1 N
4 b* z8 {! i, G1 ~6 \" d$ p3 X( I. l;;每一个turtle的全局声誉都存在此LIST中" D2 k( ~/ ~ I; O2 p y
credibility-list
" @2 F, Z. p9 {7 S& |$ y/ ^, o;;每一个turtle的评价可信度
; n* Z( E& G0 V" k; A5 shonest-service
1 K! o% \% s7 {/ C8 {unhonest-service
) Y5 k7 a0 w1 goscillation' R- J$ X' T$ R- B5 ^$ V
rand-dynamic
# }0 C; T, h1 j; D% E7 V' e" u]( i7 p7 u$ Z5 k+ _
4 s2 q) Y7 N' P( z+ h/ E1 C1 M2 E8 }
turtles-own[3 ?* y) | \4 Z5 E$ F
trade-record-all
# B9 I" k( z# H% Y;;a list of lists,由trade-record-one组成+ j1 d0 x: M3 t; t
trade-record-one2 o+ @. W/ E/ h6 d8 x
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录5 v8 ~9 Z! r4 B6 ^: D
N Q( J; g. ?: R8 I
;;[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]]) H8 v9 z& R* N2 G! J% q! H
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]
, Y3 k8 g4 v% N+ Y% I# {9 X% F. ccredibility-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
% V7 F) M7 I e. `6 aneighbor-total" q0 P$ J! T! g$ z+ Z1 @
;;记录该turtle的邻居节点的数目, f. u# q2 q# {3 [4 x* v. U
trade-time
# H9 {5 E k, w5 ]; l;;当前发生交易的turtle的交易时间5 c& I) f' C6 b& u' i) g' m# u: J& H
appraise-give
2 X$ F8 k0 X& w$ f6 G# m* l- A;;当前发生交易时给出的评价
& ?8 c [9 s8 o2 X# Qappraise-receive
: E# V/ B1 o+ F) @- T;;当前发生交易时收到的评价. ^3 \8 M% }% N2 L1 K
appraise-time& }+ u( t+ |' l. c: n
;;当前发生交易时的评价时间
8 _* M4 W' y$ E: t2 q( C, Nlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉0 d% B; L# l6 |3 n
trade-times-total
H2 b8 l5 ?8 \9 V% e8 H$ v' ^+ p;;与当前turtle的交易总次数+ C0 u, N7 {, w
trade-money-total
/ L/ E# I' N. ?* q L5 a;;与当前turtle的交易总金额
% n( L& L" L5 K+ q7 f. Clocal-reputation
7 o8 M6 |) r& B/ P4 ~global-reputation
" I% m$ O3 z1 e( Z7 Acredibility6 O8 G% W3 F @+ }8 ?) m6 U
;;评价可信度,每次交易后都需要更新
7 L8 S* G3 p) u, k7 ?credibility-all
# |+ r; H2 G, E8 Q( B, F6 ]6 r* M;;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
% Q. r3 k5 x7 X! h: z1 R" L
& n! J. N4 z. X4 [; w, C;;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0.58 A Z4 Z+ j$ _/ k2 M: P
credibility-one) f) } b* h: S- n6 z
;;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 Q4 I. J; a8 W0 `. u* w; Uglobal-proportion0 Y' L: N# a- r& l5 I4 n
customer
% M* A3 d" A# _ z2 w2 Y, tcustomer-no
* |8 d: F3 o5 u, Y n% l5 Btrust-ok
# K( X! @# y" Wtrade-record-one-len;;trade-record-one的长度
+ K: E1 S ^' h]
5 E1 E9 [! E3 d3 R4 L6 P o9 h! ^* D+ b
;;setup procedure2 A: }9 i, ~7 e! l) O
( I& Q4 t7 y! n! ~1 f( d
to setup+ X9 F% m" P- I5 I+ g8 ]* S
& ?* _1 a- @; z+ y+ y! jca
& k: b k2 m% |# ]' C5 ^ B
6 c7 p# i, U% a+ _# pinitialize-settings
( r3 J3 X. \: u6 Q) ~/ m2 |. C7 g& d5 d8 @! Z$ K! X; Z
crt people [setup-turtles]
! U' s4 _% E5 B1 I) c% G7 W# D- Z5 X$ K4 R% x' o8 f
reset-timer
i' n4 m4 C. b2 _$ g s% k( G
' ^ C1 A0 k% wpoll-class# Q3 p2 r- g& d& \0 I
$ r7 @: m) T! W6 l `1 W
setup-plots
" K+ y0 `& O! a4 e- k5 Y! J& ]) X) g5 R$ d# ]' a, w
do-plots
8 ~, t4 ?" |) o4 [2 _! c1 \3 Rend/ q* \/ r4 r @3 E: E% Q$ A+ |
9 r' d! P7 g9 y4 Z0 K
to initialize-settings: ~) U: S6 K0 k+ R7 n. n0 x
1 n6 [6 ~$ U" Q% m& ^set global-reputation-list []! N# m5 J | D6 S" a
$ F0 g; v7 x, Yset credibility-list n-values people [0.5]# n6 U# @" H' ^& E
w: @0 m6 N0 Z; i' N6 Qset honest-service 0
2 M5 ]2 W; Q7 O1 S4 M8 C. I2 e- w% g' R1 h1 d+ U E/ n
set unhonest-service 07 _: p9 g& `! p* P
- e, c( B: ]! i, E. Y x( E7 Dset oscillation 0
2 ~ y2 z5 Z: \6 o- I& ]6 ~
: q5 g3 [ f! b Q2 }set rand-dynamic 0
/ G' {4 ^3 f, A( _8 vend
5 N! o. m: q9 O* S( {0 R+ A# s* N$ P y! D1 B' c& p, }
to setup-turtles . J6 z/ ^+ S6 E& u2 o) k
set shape "person"6 {2 M1 i9 _+ Y8 |' q# U V
setxy random-xcor random-ycor$ o! ^" c& ?* Z0 \9 f0 \
set trade-record-one []
# a% L& Z* A( ~8 J2 \
- f; @! @ D: X! n0 J2 F& Cset trade-record-all n-values people [(list (? + 1) 0 0)]
5 \6 p: Z" V% X0 a2 `* ~2 d8 I/ c+ `5 ?( Q( ~# Z0 z& R
set trade-record-current []& B- P0 [' G6 h: H2 C
set credibility-receive []
, C8 k( y5 c, D) j9 ?* {set local-reputation 0.52 N0 d7 y5 K; E- ~6 w4 _
set neighbor-total 06 ^. w) P1 K; ^) [& k, ~
set trade-times-total 0
% b3 S: O V4 m* [2 Yset trade-money-total 0- _* M! w6 j; V" M0 J- t
set customer nobody! o' g& a3 ?" l% u2 l
set credibility-all n-values people [creat-credibility]
9 g& ?/ m x* [5 v! T7 B0 xset credibility n-values people [-1]' x& k% S5 _" b% f$ P
get-color
+ C, q6 S5 d* y5 n& j7 W. u9 |" h# s H$ B6 y( ~
end) u+ {5 y; E0 N( V( h
% h7 }5 g: z7 Z" A
to-report creat-credibility
0 y; H; k M1 T1 h$ @$ Areport n-values people [0.5]4 v& f, q; ]# [, ?$ ~
end
& ]5 @' b2 W+ E( ]3 s+ r7 e2 M* ], j3 Y9 N# E0 o3 `
to setup-plots% _6 I' ~, `0 `; f4 ?( u, ]
$ l9 U7 a& [) H& \) C. O; |/ ^ M1 yset xmax 30
4 I% O# j3 l( Z3 |
7 U6 m1 x* n d( Lset ymax 1.0
- w" G6 N5 c0 b! x2 G
% F3 E% U; U0 B X- h& U5 [clear-all-plots
) X! j: m" m7 u+ c4 k" v' C0 ?4 f0 b* M
) j5 Z, q* L4 h6 X% w' b, Hsetup-plot1
. x7 h9 ?) J5 b5 E6 W* |1 T
% i5 j' e/ E" |1 K6 j8 B# lsetup-plot2/ i/ E P2 U6 n/ u2 N( i9 ^ c
9 X. j- M( |. k6 g- m! H8 V$ Ksetup-plot3
8 Y9 r1 m1 k2 u# i2 ~end
" b" }4 q J+ @5 s7 H% X9 {9 y
. u6 i4 ^4 R5 q2 [, q;;run time procedures y7 R+ z* F% w1 j2 S* E+ k$ ^8 b" Z
: _% r$ _* k3 k" B
to go) E2 B4 }! f- x% c4 b7 t0 K
4 w# s+ {9 c8 n. F) u
ask turtles [do-business]
0 g/ c5 o# m& o; C0 ~4 J bend
" p% e, I3 U! p7 A& F: V
' [; Z: ~; C# h" q8 Oto do-business 4 D9 B4 C. F) s% K" _: P
9 M- u s! t3 u$ b% e7 ]0 T
7 E8 L) B0 N1 k0 I! ]' ^rt random 3605 d% U( _8 W, W7 @0 P/ N
7 O- `. w+ T9 _% c: E
fd 1
" X2 `4 n5 F6 Y& j% J' ^$ {0 `* s$ P
ifelse(other turtles-here != nobody)[
/ H5 p. c; ]( _* w4 p
5 p ^, K4 I1 k; @( q% |set customer one-of other turtles-here
, u- J2 y& n7 ~3 B# m& X2 ~. V
, g0 |) Q) }6 T# l9 e;; set [customer] of customer myself: S8 e+ u: j( d' a b
0 K% k" T& S/ Q, `8 \set [trade-record-one] of self item (([who] of customer) - 1)- {- y6 n8 F# e' X
[trade-record-all]of self9 R% M- b$ T6 X3 D; O2 q
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self! f8 W2 ]' J1 M; E% x
9 B+ M- u7 _& ~( ?set [trade-record-one] of customer item (([who] of self) - 1)
G+ r4 F7 e; I4 \- Y[trade-record-all]of customer
4 Q, W% y/ l) b0 p* D( o" V J0 [$ j1 P; b
set [trade-record-one-len] of self length [trade-record-one] of self4 m7 \8 q' Q! T+ R: M% G
6 |' E3 d/ F9 w8 d+ r& fset trade-record-current( list (timer) (random money-upper-limit))
8 s: |) j" B m% V' E+ ]9 a& Q& ~/ @
ask self [do-trust]
* v$ c, Z1 Z" m6 v. m6 ]" ]# H;;先求i对j的信任度9 `) ?: m. D3 w
' |4 x9 i) ^' g
if ([trust-ok] of self); f3 }8 Q6 T; q P% r' u0 M/ Y
;;根据i对j的信任度来决定是否与j进行交易[9 ~( ~9 `( n+ W4 J
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself( ]# w/ \" v& C$ S6 [
$ w/ y2 v% K- a' ][6 _, D* N& `) R" W7 T
, p" N3 f, }+ q* l0 z3 x7 B9 |do-trade
3 N- g6 d4 h/ L& p
" H' q. j9 v A4 o' d, }2 ]5 Oupdate-credibility-ijl
, [ Y+ O; G) r: d! N* r$ T! Z; Z8 a0 y4 n" q/ P
update-credibility-list
& g+ x- O" C3 W1 Y, H4 I+ l* E9 o6 v/ ~( r7 H$ |. j
: e# p2 m2 g1 @. _5 a* S( ^
update-global-reputation-list
# C8 h- c7 Z Q( R5 a. V
: l# f/ J( Z+ ?7 mpoll-class7 v0 |& N$ ?! e4 M& f
* E& x7 U1 Y w, j- ]! [4 U0 k
get-color
0 ^ M3 a2 S5 Z# [2 A: a# V9 K# y- q+ q8 y' S& c
]]- t6 S. d# H$ W( X$ I
. [$ n* i) j2 H& L B" T; d# v;;如果所得的信任度满足条件,则进行交易: H5 h4 R9 ~! V1 X/ V6 v2 C
9 p" u/ M6 p5 |1 e7 ^/ }( l8 ^1 K
[9 N2 R0 C# k/ o" o o; _
k- I: @% _$ `0 G, o% Xrt random 3606 q& c* M( [ t0 W1 k& W8 n
# Y: [6 H4 I- \! R6 O
fd 1
: n5 G% `" Z1 m* t" R
8 ?8 C3 H/ C3 j5 w. l]. X( b+ h0 m- f4 H( S: d- l; \
7 _; Z, a s" n$ B, Aend
+ J2 `/ k% O! o; C7 z: N# {3 {
( V7 h* J' W# U' y5 e4 Gto do-trust
' d( e- U2 W7 K; ?8 h9 i/ Jset trust-ok False
Z; t" Z0 q' B
0 y) O1 A$ R: ?$ _0 l) m
/ J' ~6 L" ]! }5 R. Z. ?1 R" ilet max-trade-times 05 A* l8 L$ M) c9 Q5 Q7 A7 x9 Q0 a6 I
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]4 p, n* I- N# P0 @( T) M e* g3 h
let max-trade-money 0- {7 E K6 R1 ~. W
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]# S5 E: M# k- c8 H* @ @, q9 G2 N/ [
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))6 k [0 W4 h z4 Y& Y
* q: O, q7 {( a( r3 A
7 w+ X0 Z! m! ]get-global-proportion; w8 ~! O1 J( C, r3 [" @" z
let trust-value: G \' ?1 n' {4 W. U
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)
1 E+ v) p8 N6 s# {! B9 j9 Rif(trust-value > trade-trust-value)
1 K: C; }! j m! Z, }+ Z; h- _% Z[set trust-ok true]
( {2 ~) j6 `5 A8 g N0 pend: q" h' n) Q+ u1 w) M- p) P
% d( M0 c5 N3 O+ N, l
to get-global-proportion! C9 x7 U; n( ~: } F
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)9 ?4 ?3 N2 W; q0 c
[set global-proportion 0]
; I0 f% U" G' u- B2 r[let i 0! L$ U& X8 S9 I+ c1 G4 p
let sum-money 0
1 m: B. \: R- n% t) @while[ i < people]
V9 ^" \1 ^' C/ }% q[8 c( u& K& Y% @6 c* a/ e
if( length (item i
% m" ^# X% L* U; @: J[trade-record-all] of customer) > 3 ). T4 {7 Q" F: C1 V5 c
[4 ]( q2 H) _5 j' j, f# b U
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
) M- i2 y. n6 F* b' U$ p]
7 t/ M3 ]- N" y3 D/ |, D0 \]) @2 h! v4 `3 S
let j 07 }! ^! P. q) l& o9 t
let note 09 q2 R$ K+ [/ P9 F4 y! L
while[ j < people]
$ |' Z! [( M" x; F[
" [ B+ V; e5 v8 Z, J8 @if( length (item i
- D, E7 D& Y, G7 s[trade-record-all] of customer) > 3 ). A* j8 v$ d" J
[& s$ x+ k$ _) o k+ T& z
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)$ }5 z$ Q% K% E1 c% b
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)], b; D/ H8 ]0 B* l! W9 i
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]# l# C. f, d% M6 \2 p
]0 {9 k/ r5 x+ ?2 t$ A0 K
]
; b+ O M* i+ q3 G( P6 Uset global-proportion note
$ Y" q6 [6 s5 h; j8 E3 F]
( i3 k5 l7 e7 u8 i4 I2 Q( y4 \end( B4 j2 _4 j$ B. T! `5 E( S
) T( g: U1 u& L3 Y
to do-trade/ |8 ^ ?8 k( D; A8 V, c
;;这个过程实际上是给双方作出评价的过程
5 F: e8 F! d5 ^0 [% b5 nset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
3 _) N& ]" l+ H6 i( B) q7 f6 S+ Mset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价0 V. L' t$ \8 O' D2 _
set trade-record-current lput(timer) trade-record-current
. [$ s7 h" g, ~% A J. Z& y% N4 c;;评价时间, E9 B) N* u$ f: z# o
ask myself [. d& I6 V" v3 p9 v4 C
update-local-reputation' Z+ J- f* J: }. [( I6 l: R: D0 v+ J
set trade-record-current lput([local-reputation] of myself) trade-record-current
- r0 b5 v' q! `# |0 }]
* r8 ~9 _& l, W& lset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
& h. t" R" x0 Z0 s8 D+ I- P3 ~, d- H;;将此次交易的记录加入到trade-record-one中
. m& L$ {1 e d8 A5 Sset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)3 K# F' \9 T* S& w6 A) \- S/ Y8 |
let note (item 2 trade-record-current )2 L1 d% o4 R2 ^- ^9 i- ~
set trade-record-current% [- {: l& g3 {# _
(replace-item 2 trade-record-current (item 3 trade-record-current))
; E! k4 I5 F8 c# `$ u9 Zset trade-record-current
2 m: w! t: C( [' z1 y, d(replace-item 3 trade-record-current note)
- M1 r1 q z/ H8 A, g- M3 s, G5 R r0 ^" I$ L
9 H( e( p9 N. \3 H1 A1 ]ask customer [
8 |% p) m. M9 P' ^update-local-reputation9 i B( I" X: M8 i8 f1 `. y
set trade-record-current _5 d& |2 D+ O) L0 w) d) [
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
% M. r. i. K1 N1 U+ v' a]
3 \* v8 D1 n: } U2 V9 y. h% f
# d# h( @) Q$ _& A7 H& x. _0 [0 j6 B$ \& i9 `; ?
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
. w+ z: y; a% P; @9 t1 Q2 w8 Y" h/ H; T8 ~% Y; z2 t/ z
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
9 w4 i# @6 y7 f0 J;;将此次交易的记录加入到customer的trade-record-all中* w7 z$ x1 r1 V0 n U9 F
end- w1 C7 U& b5 ]: X
9 ]( L+ a- o" C$ h, E( f z4 `to update-local-reputation
# z$ g& B5 q! p. v. z* dset [trade-record-one-len] of myself length [trade-record-one] of myself8 k7 J1 T6 U9 A" i% v$ a- a
" C N+ M8 |% D$ u5 f5 o! ?; G9 o5 w
;;if [trade-record-one-len] of myself > 3
- U' `5 p' L) ^, Xupdate-neighbor-total5 M6 V! @$ p# r9 ?
;;更新邻居节点的数目,在此进行
6 A# y+ R; x! H3 D* ?, H3 X* mlet i 3. R2 l3 }( {( ]
let sum-time 0- G4 t9 g& a) [3 W
while[i < [trade-record-one-len] of myself]
; M5 K! i. S7 f0 J# R1 _- |[
3 C5 t" {/ @$ y) Y( {3 J1 |* vset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )3 x8 S% B& T1 N c. w% @4 D8 Y$ n
set i7 H+ j/ r3 h5 e
( i + 1)
- g {- O- E1 X+ a) q; g% }]
. |$ P4 \2 \, K6 B8 C* D5 U8 Glet j 3
& C* y# u9 ?) h, f* s6 O- blet sum-money 0
3 Y' g/ A- d- ]7 [while[j < [trade-record-one-len] of myself]
- x# N- [6 B- D6 p: X! `[& L2 r b; k. }& x$ T
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)- A, ~: t" d) m# A. S8 x0 ` x
set j
) C+ v& v* a/ @( j + 1)- T8 X+ f r: [& i8 ^: r
]
4 V! \8 R) D' ]+ Clet k 3
$ d# g' p7 m! n# b5 ~" a* H- }let power 0" b9 L, C* F, |
let local 0
* b4 r$ g' Z; a6 m4 qwhile [k <[trade-record-one-len] of myself]
) z) {* P6 f& k3 i. G% x4 N[
: ~, f; v+ X6 g( _' ]/ w% q# Oset 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)
# Y4 V4 Y( j8 ?! p. t o: Z1 Mset k (k + 1)! @1 o$ e: ^5 Z, ^8 B% x( W5 x
]
( w2 b+ C+ }7 d+ D- k0 w/ ?1 F/ oset [local-reputation] of myself (local)( G5 q+ K( }: v3 o/ n
end; ]( V) l5 a) X- M9 @: Z" l5 Q' N
$ q- ?" \' h7 F4 Y1 Ato update-neighbor-total
3 X% \6 a: y- R4 J' Z9 a/ `2 w, r" h9 b* a- n; x
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
+ ~& d8 e- U$ e6 C% Q5 [. Z9 t: C9 e
# X. ?' A" n. m+ v; l: W9 I. a% K
V; d5 F( v d- Y, G9 e/ k' Uend
) d9 I& S4 U# }, B* r0 f. X6 Y: u5 i6 O$ Q4 v# l: }
to update-credibility-ijl 6 u& ]8 t, P* y5 b4 o
. e3 }+ v' }- Q: h, u
;;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。
5 v2 U" j5 ^; C0 W* c/ ylet l 0
1 V3 M0 G! G3 z& Wwhile[ l < people ]
- Z% I' b/ Q# ^6 \;;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2 E/ B0 Q# p# B# K9 @) [
[
6 R& L& l) K9 Jlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
& z0 I# u( c' f% r% n6 y1 |if (trade-record-one-j-l-len > 3)9 U3 B9 ~) J" L1 Z# [: _' d
[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& q! s" B+ [# i$ c# |% h
let i 32 V( {. r1 |' n1 h' h" Q
let sum-time 0
+ c; e, j3 h7 ~6 a0 ^while[i < trade-record-one-len]
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set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )/ d U1 l( E, j1 x! c+ ]
set i
/ @" T; m* q5 O% z$ d* [( b( i + 1)
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let credibility-i-j-l 09 ^5 B* k* F, F& w, W
;;i评价(j对jl的评价)
8 Y2 ?& ~' G' F- H2 h5 tlet j 3
* E+ F1 P* t2 ~; w& k. C+ ^let k 4
2 b" L. j7 Q8 g" r3 ewhile[j < trade-record-one-len]
+ f w; B6 X1 k$ w2 H8 H+ n1 i[
2 |8 r6 i' |3 A' m9 ywhile [((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1 r: i# @) M2 b& ^- X- ]
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)) k2 G( j2 k& \2 T ?0 t. R
set j1 o& r* @: g; g2 H
( j + 1)8 o( O$ U/ I8 z& a) q; W3 @! C
]; {! P; w6 ]2 f6 s8 L* F8 m
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 ))
' Y( d# [3 [ J: _1 I; D- q0 e; n# ?) l# s& @# @
& l- c( t' G7 V g+ qlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))1 i" z& n, f3 ~! z8 _; @" l
;;及时更新i对l的评价质量的评价4 p, S( B0 u% M+ v# }# Q
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]* M( @) a! M+ g' W' {: I+ ?/ [& q
set l (l + 1)8 @+ b+ S% F1 n( R4 H1 s
]
Q' a( R! _# H+ }! c6 W) yend2 g- \$ I) |0 B" P
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to update-credibility-list
j! H& {. p# @1 tlet i 0
9 l- `1 b# f/ W$ Bwhile[i < people]
0 Y6 @* V4 M) J( y) m. l4 @[
8 Y. u2 c' R4 f" U1 S+ Qlet j 0/ K% E5 S) N$ e0 U1 [
let note 0
6 {4 j/ E5 h3 D5 \/ blet k 07 g. F4 `1 T6 F& A; L* ~) Y: \
;;计作出过评价的邻居节点的数目
9 l0 a, |0 N' Hwhile[j < people]
7 t- |4 \& {/ G4 t# L1 J* _[
* g% s2 Z5 F4 n" F- k+ xif (item j( [credibility] of turtle (i + 1)) != -1); v4 f r2 A4 F7 g$ X; M) t5 y
;;判断是否给本turtle的评价质量做出过评价的节点! d$ h- D# L) e- \/ i
[set note (note + item j ([credibility]of turtle (i + 1)))$ B7 }1 O0 ], C' D( k
;;*(exp (-(people - 2)))/(people - 2))]
' {" y) z4 _; Hset k (k + 1)
5 B- h& [ M4 @* j$ K]
) \* ]- l+ @4 h2 \& i: Pset j (j + 1)0 {$ _0 O% P! e% f7 I; }
]) F' b( y4 ^+ H8 c* v- E
set note (note *(exp (- (1 / k)))/ k)
( S# ^6 i5 N( m% Z0 D3 Tset credibility-list (replace-item i credibility-list note)7 m* V" x5 V& C. Z+ `
set i (i + 1)7 ]; H0 v' u! T, T/ @0 l9 J
]3 q! @9 {- w+ V3 P% E. E* W
end
/ k# X" ^6 h% p& C q) S. R7 T$ O, N! L" H& ?5 K& |
to update-global-reputation-list* J) Q, x1 w9 l% D8 B
let j 0
2 z% Y: v9 \0 }2 q) \while[j < people]$ Q+ [2 c* k1 J" Q
[
8 A. m" A; j9 T$ O4 B7 p+ ^. @let new 0% X+ {) ^4 `4 i+ t1 x; { B7 k
;;暂存新的一个全局声誉5 c- h6 `6 L, v' k
let i 0* f9 V: O6 L$ R2 o: C: d7 n
let sum-money 0# Z; P* q2 j' \- u' i" ~1 P
let credibility-money 0& b8 O$ E! L4 E0 A! D" c
while [i < people]
0 H) G8 K. |/ |# E( _, T* c[& `2 U X' { y6 ~
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))5 v3 R- m. j8 `" e) V
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))' ] Z' e# h6 q' [; h$ m2 `
set i (i + 1)7 K2 r4 l" U) K8 ~) o0 ~4 m
]
6 E" @7 S. A* _4 x. r) ]. a; y7 Ylet k 0
/ h/ `! }! ]' y( h3 }: ] \let new1 06 j, D7 K1 K/ R+ u$ s8 Q
while [k < people]
4 J8 |6 F1 j- R& @* v+ h[6 N' x* j- f' ?" B& d
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)7 G& }* H9 e8 W0 d. b1 M. q7 _
set k (k + 1)
2 c& f& H# A/ B6 h]
( E+ r# V# ^( ~5 K* G; p( jset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ) C' l/ E O: M* D2 d& y7 W
set global-reputation-list (replace-item j global-reputation-list new)0 ~. p2 [5 u+ U( \1 z2 X5 \+ e! |) O! b
set j (j + 1)
. O' w4 v4 o5 L]
+ E0 }# v1 Q' d' f1 V, l* { tend
. J( @5 {" l4 b5 O1 y6 z, I! _/ K9 V& u; Z. ^3 E$ v$ G
7 O8 l( K8 p# Q, D% h3 `
6 y7 B0 v2 v7 L/ l
to get-color
6 J- A3 b6 c# v" f5 M: F( k2 p% j8 {% z& U/ a1 C' A: v' o5 s
set color blue" b4 [8 G* W5 \+ G
end
5 D; c: C* O8 g- U, F- o( N# C9 b; ~8 @* D2 d) m8 Y% V' v
to poll-class
0 _1 G* X1 r4 C0 [7 kend
: X- s7 d+ B) b0 C, X
8 e* q' g/ |) \ Tto setup-plot1
- |- P& t8 W2 t
0 F6 M! Z" N9 S v2 P$ Mset-current-plot "Trends-of-Local-reputation"
) H6 Z; }# b- ?9 h6 g" U/ J1 M X0 |/ H2 n2 k4 L3 {
set-plot-x-range 0 xmax
# n" G6 L5 N4 G8 k% s7 Y% g" Z; N0 d6 [5 P
set-plot-y-range 0.0 ymax
2 J7 `; l }% K: }) Nend
! L ]* ^* }/ V8 h* q; D3 g2 ~( |9 |
to setup-plot2
0 G- u% L; v3 t9 n, ~8 ]& S9 t
' Z5 _5 N' K( q5 dset-current-plot "Trends-of-global-reputation"
' s4 A0 ~4 }6 O3 v4 N( x% B. p0 F% u4 W6 B. b/ A- ?$ M' i5 w
set-plot-x-range 0 xmax
4 M* \% Q! T4 [$ {- }( a9 {7 z {" i$ N$ A6 }, I* e$ \5 u
set-plot-y-range 0.0 ymax
6 D' ?+ T. {# Y- M4 v. f. Kend) a" }5 {' ]( }# |* _5 a- E
6 m/ n+ L; D2 C* S
to setup-plot3
- y( v" w$ z. U' x7 D/ {* @" V6 V
set-current-plot "Trends-of-credibility"& x* }$ g2 d. f6 w
" C+ N' k9 H( ~/ dset-plot-x-range 0 xmax
! n- V+ B1 A/ L
) m2 g' h5 o/ ~set-plot-y-range 0.0 ymax5 U- ?8 |2 ^9 J
end
! Z8 P6 ]0 k0 L, j7 r" Q! s
/ u/ s+ S/ H8 e+ F' K( Fto do-plots
) C9 @; b! \) i7 j8 dset-current-plot "Trends-of-Local-reputation"
5 S# |& J" @( V0 q9 R3 r* Xset-current-plot-pen "Honest service"
\! P/ I4 H2 r& {& n. r. rend
, a9 r3 r7 R% ~; v" |" M( L- e' h! Z! H6 Z$ T
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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