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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
' s y5 p$ s) ~% \' w% Aglobals[* c1 k( h' N" M; r, @
xmax3 F E/ \* X( k: K2 r- L( _! Q" q
ymax
- g$ i' H8 _. t0 c6 }! `9 Uglobal-reputation-list
9 v# c; d* s" a6 \" j
: H$ X* O% F% x7 q( o/ a;;每一个turtle的全局声誉都存在此LIST中* E$ {0 D$ J' y+ V9 \
credibility-list
' A2 u! A- f. b- w/ v# a" o) n% o! T;;每一个turtle的评价可信度( Y0 b. K; q9 U) n1 i6 |: y, D
honest-service% ]( w4 i( R6 \
unhonest-service: Z; r) C" _/ _( {. z) B
oscillation' y( E* ?( D( L- X( N5 _
rand-dynamic4 w% Z7 c1 t3 w8 H# @
]
9 D& _, _( v; T- ]
& Q5 t( Q6 a3 A& R, W* bturtles-own[
7 x: B M6 I( jtrade-record-all
5 H/ o* c3 m4 i' N+ j;;a list of lists,由trade-record-one组成& b( t$ T! u' K, j' u
trade-record-one
9 z/ Q5 K2 ~& }& Q& C& Y4 t8 ^/ @;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
. N n! D. h& N* q- F
U& d/ |/ C$ z" `, m3 s$ p2 n9 N;;[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 V, i- |' |! h' m
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 L* @8 d8 Z* v9 v3 R) i! s" ~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
! `' V. { P5 A: B% ^8 Lneighbor-total
1 u9 S7 k4 |3 g! N% e;;记录该turtle的邻居节点的数目
" @6 J3 j# o2 T$ {: {/ O6 ]5 ^trade-time$ w% @! B- h9 M! L
;;当前发生交易的turtle的交易时间
g/ e) `. T' r% `+ j$ e4 k+ Tappraise-give8 C1 }( l9 Y( l
;;当前发生交易时给出的评价
2 R3 w. o" z) x" w6 i) d1 R* {appraise-receive+ r" n9 |) i1 N5 P3 M# l$ }& F
;;当前发生交易时收到的评价
9 v9 ]6 }9 O- Z- `. f: \appraise-time: E; H4 G5 l& j: J* ~( q: c% R0 a& R) Q
;;当前发生交易时的评价时间9 \( z0 y e5 K: X* Q1 u
local-reputation-now;;此次交易后相对于对方turtle的局部声誉: ]/ R( h0 L6 i: Z
trade-times-total
4 d9 k! a4 Y v. Y6 @( P;;与当前turtle的交易总次数
6 b1 Q. \0 a. j! b' U0 Qtrade-money-total5 o# M! ^- d0 z
;;与当前turtle的交易总金额: w8 d% B" o; F6 A
local-reputation
2 q/ o }( |/ V; o$ t; @3 G4 O; Rglobal-reputation
$ p- H4 h* C' t: i4 Q+ T) r( Z5 |credibility
0 [8 l! \/ f: ~+ y" U& `1 [5 l;;评价可信度,每次交易后都需要更新
1 H- l: ]- o1 D, ccredibility-all
3 M" }2 W2 J) 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4 m+ B( S0 _& n2 g/ j0 W+ f+ N# D. y
6 g( {" _* _" _) Q" H, E# g
;;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
6 l9 {6 J `: ?% Xcredibility-one% x/ g1 s& u6 r4 {7 a
;;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( R. Z3 [' x# m1 [! N
global-proportion( S/ n9 j, }% S
customer
+ u( T" K, Q$ l- G0 z( dcustomer-no
* F* Z, n4 z$ I( u& htrust-ok
* Q' k/ {' m7 R$ Wtrade-record-one-len;;trade-record-one的长度
0 \! o L' y) Q& j- b: H]
$ D# k" D0 e: I6 |+ T
3 t$ M# d) y; w. U4 N;;setup procedure
8 M; E- Q9 }, G" Q
" r1 e0 j/ `- x G6 v& j$ Tto setup
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ca, Y7 Y7 A, n$ |2 H7 v; F1 q5 r' G
. A/ ?! T. E( t
initialize-settings0 ?, o. [+ H4 x4 p7 r
7 y! l) q% |) K; b1 { w
crt people [setup-turtles]
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reset-timer
% A6 w3 T j, @) D/ p/ u. q! }+ Z& e: E# t2 Z% ?
poll-class8 |+ b4 ~8 E( _
+ C$ W9 f2 R4 P4 ^
setup-plots
& U A) q( m) N- m% \- ?4 C! C# _3 g1 [$ o7 A
do-plots
& A8 ]/ E' y% s; M6 V6 U' o1 send+ N- G9 J. S+ r/ _1 X# ] h
% v" {' v4 r- `) Pto initialize-settings0 _1 L. z2 N; g! _5 o
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set global-reputation-list []
' }9 T8 t: S* w7 ]4 f
' _8 d. N) T+ t$ \: Q1 eset credibility-list n-values people [0.5]: t1 N0 ~% P; F5 j7 _. x( P
( t8 v6 o) b0 yset honest-service 0
9 u k5 j" l5 f% [- F" P7 Y
+ Z% T$ f! q% [ x$ |% G5 ?% S! Fset unhonest-service 0
& x4 q# J9 O% v2 u* i) R7 e) y! j
! ?# p% N! ~6 C! ?+ uset oscillation 0" ^% G" U- V5 }/ S4 z
/ N; E3 n9 G2 e1 e8 t" ^
set rand-dynamic 0
5 b9 o* @- U) i& Vend
! A* Z5 n4 D' R
; u: L* J. [& V8 k! Vto setup-turtles
7 j9 T9 d0 Q$ X, `0 }; @% p% M" E; \# cset shape "person"
% a h/ A8 z$ e* osetxy random-xcor random-ycor
|! s) h( h; Kset trade-record-one []
+ Z# j7 ?1 S# \. Q# e4 G% f1 o( E& y- t3 p7 {8 I# V$ S% L
set trade-record-all n-values people [(list (? + 1) 0 0)] 0 R0 \; v; M1 [! g4 U; l
6 l( Y+ [. E1 G0 X/ F
set trade-record-current []9 p( `& h1 u% X1 j6 L! ~
set credibility-receive []
2 p3 v f4 f/ F1 Y- {set local-reputation 0.5
( w( q. t8 V# h! Q: D) m! iset neighbor-total 0, L% Y' d: q' P9 R6 U5 T% l; R
set trade-times-total 0
( S) {: M0 N9 w5 v N" yset trade-money-total 0
/ f3 U" w, D& c2 m6 \. C) gset customer nobody4 O' n- E& X9 F! Y* e/ s& C; k
set credibility-all n-values people [creat-credibility]/ `1 S. c; |. |5 a; J" w+ P( ^7 H
set credibility n-values people [-1]
# x; L( T7 ^% jget-color; @4 q9 f; f3 |" j0 ^" `3 z
; s% _3 ~& [& p0 D" H' s
end& n( H6 x4 v" }6 a% [; T
, ]% R3 _6 Y# r9 I1 g! Z7 T, qto-report creat-credibility G6 ~5 Y) m5 N* N) V
report n-values people [0.5]
; T- w1 {/ w8 M# m, [( gend
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' [+ ~3 a3 U. D( X. e+ ?to setup-plots
n$ \/ g: |, K! {$ F5 A8 Q: T
set xmax 302 l7 [+ F- Q- U# g$ T& v% }
( H% r3 b! S+ e6 M0 ~# dset ymax 1.0
4 {$ ^* S$ c, E' B( r
$ T1 ], O7 x# I! W- i( W4 m+ ?clear-all-plots
/ {$ q8 F+ }" w F
# @9 R( a1 ]; w& i7 Tsetup-plot13 T# ~- y2 L+ Y( |) |; a' k/ z
" D8 Z5 v# h4 `3 A1 \0 W
setup-plot2
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setup-plot3) e0 S: N1 Q. E, z7 J
end8 l6 d% C) X3 R8 J8 n# Q
1 h. `5 e$ A/ g' l+ r. D7 y0 @;;run time procedures8 B# l. G3 H& F! q9 ^% e6 T0 l
/ K% S, z# j" T- n4 Y- Cto go
7 }4 |/ H+ Q$ p. | h. m4 Z# Y- r% \/ ]# A |' Q+ k4 q/ O
ask turtles [do-business]
; v& N$ I0 ]5 j( b+ p. B. W# lend
) E: _. Y" J/ V& p6 C# b& U+ O# o0 k
to do-business 0 b( H( v; p1 p
[6 }0 ]+ n/ [- W
/ d# ~+ m6 u9 h: y0 h' D1 Brt random 360
* O) ]! P, E) m/ r% N) o# O3 N; w# d$ ?7 B7 a# e$ Z& i
fd 1( `* v2 Y, M$ s( ?$ Z
( B% m/ ? \# _5 H$ v' pifelse(other turtles-here != nobody)[
' g7 _7 ?2 B& [/ Q4 R
$ X7 ?( }0 T# r" eset customer one-of other turtles-here
+ u w/ {/ S+ W6 c# ~; p3 x5 s: s; \2 P) r) V5 ?
;; set [customer] of customer myself
d- F6 j9 A) |: _1 n( b2 t$ r( z# D# B% U8 K8 q( @
set [trade-record-one] of self item (([who] of customer) - 1)' O: ~5 n: B1 X, r, g
[trade-record-all]of self2 ?* D4 _; ~1 V K1 `: b
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self" k5 Q! u) |& K; Y
5 Y7 G# q s, j' p5 V
set [trade-record-one] of customer item (([who] of self) - 1)
: Y8 v+ `* ` C. q3 I9 |2 E[trade-record-all]of customer: D4 A* n$ X' ?7 F7 {
5 D/ h- r& K# f
set [trade-record-one-len] of self length [trade-record-one] of self/ d( a# L& ~2 Q& @ n4 O
+ ?. ^4 e9 D! C7 {set trade-record-current( list (timer) (random money-upper-limit))5 ~- L1 p! c2 \( t O. {% g. Y
; z1 {% z8 R$ O. N) }. d% Z
ask self [do-trust]1 V( [ h/ g# }6 K) g
;;先求i对j的信任度
~) a: B0 t# L- F! j% f" n- w/ v3 N1 G+ Q: Q2 Y- V" r; |
if ([trust-ok] of self)
/ w _) P( g* g1 ~$ A6 k1 i: R;;根据i对j的信任度来决定是否与j进行交易[
/ S. T y5 i. L7 q- L# ?ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[( V B. v9 D* k" V$ w7 E
5 n" {& P2 |( F. T" s I* }
do-trade6 x! \3 E# }4 l1 G$ J9 _1 n
1 ?- |# V1 |3 ]) x- j4 Bupdate-credibility-ijl" Y2 B- e3 r; M! b- ?" S- `
+ Z: u1 t# T' B8 B- [
update-credibility-list
0 M' T5 u: n% E/ S0 Y. I
4 |. q/ u, R/ m! {
5 L" [ q2 z9 ]0 w t$ A3 |update-global-reputation-list2 Q, u* z* u- X. D; x; }
: i) s* R X# O, m; a. u' C# r
poll-class
5 I& O) S5 g' P' e
: i+ `, C1 F( I/ e7 Eget-color
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]]1 ~/ j/ c5 a: y4 m7 s
- U9 ~' T0 z+ w& o3 M/ o# I& t;;如果所得的信任度满足条件,则进行交易
- p8 L- j8 p' V1 s5 @& J' \7 U1 r& c2 o' ] s1 S
[0 b5 G9 ]0 d0 S' F+ I
8 X0 ]' e+ Y7 p5 L
rt random 360, O+ P: h, n7 W; Q
; H1 O) E, ~2 f5 p' u+ ]fd 1
- {6 V+ e7 L, ^9 [' j6 E: U N0 m1 w E2 x1 _( [
]9 @4 \9 j8 P" G" N9 s0 {% M8 o
( A' {7 y0 d& L4 _) g, Vend1 Q7 n0 Q/ q \, C
8 E2 C9 s+ q% K) E/ s$ t- c5 zto do-trust
) X i" ?! ?0 l& I8 ^" k1 A* }- R: Iset trust-ok False
7 q8 @! v' y0 T7 s D/ G! G8 u3 Q& f' I+ B
" |1 Y$ h( i! s& ]6 ]
let max-trade-times 0% u$ X! m7 k" ^
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
1 B r% X: o; P/ k) Klet max-trade-money 0 O9 {/ y( M& G2 ]
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
! k( m8 A: b1 H% n6 q, H1 ~* w8 |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% J6 t) {; M, f1 C$ C- K1 \; P- u( V$ ]5 M" A" _: n. I' y
! o* ]: S. S2 ?+ aget-global-proportion
" Q& q+ \% R, mlet trust-value$ \, H) A6 B7 L, ?* p& x: C
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)
6 V4 @' g3 ^$ T# i6 l1 Z2 Uif(trust-value > trade-trust-value). }, x5 r* |: A' Z
[set trust-ok true]$ A. S" J; Z/ b2 d& ^
end
0 W! ]) i" \/ n! p
8 ~0 {) B+ o: L b1 ^+ Dto get-global-proportion+ H' k$ K8 B; i. P
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
! {3 M, d _0 o, ][set global-proportion 0]8 S/ B( V, A5 V. z
[let i 0& S/ N+ X% j, [8 b, \
let sum-money 0
7 ^* s0 R+ g4 n* d: Qwhile[ i < people]: f& P- R% ?/ u" @$ z( {' V& ^
[
, v% f( U# L+ K3 x3 `7 t! fif( length (item i
/ r( y# B5 U, h[trade-record-all] of customer) > 3 )+ g6 u9 A% \5 J
[
, {- ` X0 ` `. p; [7 Rset sum-money (sum-money + item 2(item i [trade-record-all] of myself)); i* t: I/ Z5 ?4 o8 |6 P) j! B" B
]$ D4 g+ Z3 m# ~$ |; i; {
]- D/ N2 X: ~- |
let j 0
: e2 r& ^: W3 O0 z0 llet note 0. y3 X. I% e# T% @
while[ j < people]
6 D1 ]! ], d0 M) Q/ Q1 R4 \[" E$ ?8 ] C# a2 d9 C" {7 C6 o
if( length (item i$ u2 |- {7 p+ h, p7 ~
[trade-record-all] of customer) > 3 )( Y. d' J5 L; T7 t4 h
[5 ^# j+ b3 [. t u4 Y
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
+ |* Z$ ?) u$ n1 J[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' r; c: ?3 g[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]) n5 O0 T, p; r7 h$ o+ D7 o
]* N1 r" ~! {/ P
]! n3 Z# ^$ z' ?0 h! N5 L" ~
set global-proportion note
7 S2 k- E& H( L7 B8 F. ~]5 T/ K- U9 M3 r0 d( K
end6 e& b) g+ g/ Z8 E3 q# x
3 V" p! w" ^3 O* Zto do-trade
# L0 U6 ~( Q3 V$ m7 G+ s7 r;;这个过程实际上是给双方作出评价的过程4 ]. H' x. ~$ b9 ]/ {$ v3 b. `8 G% A
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价6 g( d. f) u0 |: B2 Z8 l
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价% C# T7 `& [8 O
set trade-record-current lput(timer) trade-record-current: Y1 t2 }; ]5 D* Q3 R
;;评价时间
5 z1 ~5 ^: e/ Y7 C3 _ask myself [
! s5 ^6 m4 t4 Tupdate-local-reputation
+ `- k$ Y- X' M- b2 pset trade-record-current lput([local-reputation] of myself) trade-record-current$ p$ ?0 D. S/ _ I0 x0 ~: r
]
" p3 Y. U+ V. w' Y2 y4 Rset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself5 u( w8 f2 I# f4 f9 s' m1 C
;;将此次交易的记录加入到trade-record-one中 a! q1 J( R: t; m7 l8 h8 j9 \
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)2 @9 O. x2 w" L1 T, u
let note (item 2 trade-record-current )
+ G5 [ w6 ?& |$ N) S' d+ D9 L. wset trade-record-current5 G; v9 ? y5 ?" _$ Y9 I
(replace-item 2 trade-record-current (item 3 trade-record-current))% b3 Y+ w% K' [# x! a
set trade-record-current9 P2 `; q( O A6 x# X/ O% s
(replace-item 3 trade-record-current note) L v& M- Q% _9 g
+ {7 I& M9 Z" I
" R/ u. [3 b1 U3 Jask customer [
/ q; R$ S% P) C$ nupdate-local-reputation
$ ?- w+ M0 R8 q# ]: H4 ]. u% ]6 ?set trade-record-current
9 b' J1 a0 z Z# U H(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
* D, [+ Q# ^: E/ P1 []6 h9 g: `! ~1 c4 O: J( i
- {: N8 M" v* t7 u, C; ?/ }' _; D z, I2 z7 X/ A& S/ _1 i
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer- X- b! n4 P. ~5 n
, M' Q3 Y3 n- y1 l& Z! S% K
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))# S9 z, g6 t9 A! \+ X
;;将此次交易的记录加入到customer的trade-record-all中
/ d3 q% z6 t& t$ Q |) g. Mend
0 R6 u, Y, ]# u
$ y- i/ l6 v, g: H# u1 I( yto update-local-reputation+ g! c8 N% t& k+ U j8 Z
set [trade-record-one-len] of myself length [trade-record-one] of myself
/ C* v" G V. L" B. B! s( Y R
# k1 c4 C4 Y; T& U$ b p. y7 q& k1 {! z3 }
;;if [trade-record-one-len] of myself > 3
5 ~) y8 _4 H* {/ ?3 O, gupdate-neighbor-total0 Y) ~3 Z$ Y( W/ R
;;更新邻居节点的数目,在此进行+ }! V. t0 c# P* T
let i 3
, _. Y4 O6 R3 L0 o9 b7 _; Slet sum-time 0
$ A7 C7 U0 O/ gwhile[i < [trade-record-one-len] of myself]
8 B/ Q# O* n8 u m; W[2 k( x+ n2 v- W5 r# V
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
) H7 e2 v x+ I/ |& v5 _3 j' wset i
5 A1 G! w! W( e: g7 K& f, z( i + 1). @' \( R- _/ n3 D7 `
]
! Z, k3 l; M" f1 _: Q% Slet j 3
* S! ]' n, E' ~4 V6 p# clet sum-money 0* U% A1 A( }$ _7 ]8 B
while[j < [trade-record-one-len] of myself]
0 @1 t/ S j: O1 Z( ~[. H" t& X. a. ~7 X: R# n: E/ |9 C4 J
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); c/ `: o. l% `2 n
set j" c4 _9 ? ~2 {$ z4 ?; e9 Y. ^
( j + 1)
# h8 p- q% M2 I0 V' [" G5 \]
! W- y: M7 h' {* Alet k 37 F/ N. O5 ]8 q" N- s( `( C% h
let power 0
! [4 Z2 T* ?7 G( ]9 b1 v. glet local 05 N* K/ a2 D' Y D
while [k <[trade-record-one-len] of myself]
* U; N& D2 d1 X* e[$ h0 J& D3 q: B# j
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)
; t' n4 Q- @+ z* X$ ^3 Tset k (k + 1)7 |% L6 U$ ^. \0 S6 J9 o
]* Y' H4 S9 f( n
set [local-reputation] of myself (local)/ K' z5 D1 j( J) x: h, R) F
end8 e+ ~ Z. K; k& O
# ~1 h& T2 X% l- m! B2 ]" ato update-neighbor-total
6 e! A8 ^/ A T' \6 s' }
m3 z4 ^* F: }- o) x% B( eif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]( S8 [8 }2 y2 C! u$ j7 P
% [( }: \- t& N
" V2 W8 K4 N4 G; l1 d* ]end
$ ~( J" o% A3 K9 j6 ~
/ O. M5 P/ o6 r! ^& a. ^to update-credibility-ijl % K; [9 {& C6 V1 t; O: r. u' O* k
8 b& s" U8 m6 [3 j;;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。
( V# \* i- \0 P9 Wlet l 0
/ Z7 l0 @ W0 R/ A8 P' {* r' Lwhile[ l < people ]
) u: p& ]# i y( |2 r G8 H;;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: o7 m/ W/ Z7 {. s5 R/ E+ S
[) }" @; B: M/ X2 ]3 D8 j
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)6 F) E1 h$ F) ~; q: {* }
if (trade-record-one-j-l-len > 3)
4 s! X) s( n& }1 M1 Z# ][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! ~& {3 i3 g( W* q
let i 38 ~: ~8 c$ j) }: L4 v0 ^
let sum-time 0' V; I- x1 e- ]$ k& M: H
while[i < trade-record-one-len]
% W; O. V( Z& v. {" {6 a[
8 x* ?' b6 J. N: ^$ ?3 g1 _, nset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )1 o! h3 \7 h# A% z/ a7 |2 U
set i
1 K" q2 Z1 y) F. F* [: m8 u; [+ B8 R( i + 1)
8 h( P; J9 b d/ C" @9 a] C8 o6 I! s# z+ z/ A3 d5 Y1 u# H4 t
let credibility-i-j-l 0
* F6 n( a- a6 d# b/ `. H5 s- Q;;i评价(j对jl的评价)
) B. |5 n" ^8 ~8 G, S0 L4 nlet j 3
2 V9 }6 [7 e5 ~let k 4
- i4 v8 q/ W% x) v; h5 X1 gwhile[j < trade-record-one-len]
3 [6 h5 ]9 F) p: `$ S[
; T# V; X0 p! \! V3 S$ L( 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 T+ K7 v5 R& j! r1 T( I; }( lset 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); H6 y3 H0 `3 S4 K' I2 y
set j
9 {' ?! R2 h5 }% K( j + 1)
, N0 h3 {0 b1 [8 O. x" _]
, F, d1 ^% Z' ?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 ))
! I2 L% l6 a, O& s) ?2 k& p; f h; ?6 t$ Y e
( A) C) B v; g$ R) c) z/ _: H, klet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)). h# G/ f8 C! g! q9 t0 X3 Z
;;及时更新i对l的评价质量的评价+ Z. j% M) n0 |! C7 d" t/ \( ~- \
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]# Z' B8 e2 t, E6 L9 g% m5 s
set l (l + 1)8 Y, j8 o5 P. H- |1 ? {2 B1 C
]
! M. b" [$ ]5 fend
" w) f6 n/ @& O$ V' S; f! ?# X# Z
to update-credibility-list
( ?* C% F0 C) ]& [. g5 klet i 05 e/ C4 N+ s) k4 N
while[i < people]. C& C2 K* T7 ?* Q% ?+ s( U3 K
[
( b0 s7 [ d2 i& S; \let j 0
' J, p) L+ H; g& e5 X- l) alet note 0
t1 ^9 z2 h+ F: |, N. qlet k 0
& C# h0 C& S4 D! |# @0 {* ^4 M;;计作出过评价的邻居节点的数目
+ \* b3 C. L. W- [; c u: zwhile[j < people]
& p+ E" Y/ s6 q[
4 T0 u6 f7 k( Gif (item j( [credibility] of turtle (i + 1)) != -1)
' P; ]: @ l( w/ H4 y& k9 J: x' g D;;判断是否给本turtle的评价质量做出过评价的节点
" l l7 I0 [. a/ s1 N. ^# }; a. [' O[set note (note + item j ([credibility]of turtle (i + 1)))
7 ]* S$ s# c, l1 v! b6 S;;*(exp (-(people - 2)))/(people - 2))]
+ Q4 c0 ]# z- G+ g$ y) i4 z& Nset k (k + 1); }# ?4 h- o# X
]% O- l, Q! V/ s+ \8 p, I& M
set j (j + 1)
' O8 a: F- S/ l4 Z. H8 N& Y$ k* c]! V; ^/ c5 z; ^- n4 f0 t
set note (note *(exp (- (1 / k)))/ k)2 E1 t: R' {+ p( s' N
set credibility-list (replace-item i credibility-list note)( q; Q9 n0 |' r" V5 B q7 z
set i (i + 1)8 j! W) h; }+ d4 s; L$ f0 \9 A
]/ w2 S+ w9 Z1 d, Y- J o/ J: F
end
, t. i& X. J/ U
' `! N- ]! n1 L$ ]5 Z sto update-global-reputation-list
7 A3 d0 }+ p- Ylet j 08 ]( ^5 H2 P' w; [8 D: ?6 N" d! Q
while[j < people]4 B' \3 D1 y M) T5 t3 v; I y
[
$ j9 F5 x! H! llet new 0
4 W: J) s) w" d$ Y. ]* e$ t;;暂存新的一个全局声誉( B% ?* D @) V7 a. M# P. S
let i 0
4 w; |- t- Q6 `. elet sum-money 0
( y8 ^ n0 E2 R( Glet credibility-money 0
5 t) p- B2 e0 dwhile [i < people]
. k5 S% f" V9 g1 i% W( i[: u$ F. D% I; [) B4 W5 i, X/ K
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))): q( j0 K# u' b! Z# B* u. p" K1 O
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
5 x0 t: M/ e2 R- ~set i (i + 1)
3 g" l. I& v( c" D. m]' ~+ i$ b/ U4 {9 }( D6 E( T
let k 0
5 y' l. D r3 t( _6 p0 z' h& }let new1 0 a3 k2 S( s/ g- ~8 k6 \7 k
while [k < people]
4 L8 c K. h- C0 O8 n [1 ][4 ?+ F0 A$ h6 `0 g! E* f9 v6 ~
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)
8 U: M) E" y/ G: S8 \) g ?4 wset k (k + 1)) T* p0 C3 k' v# C- S" j ~
]' D1 i) }5 O7 V; R% o. f3 q
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) v1 [( I' g# c
set global-reputation-list (replace-item j global-reputation-list new)
" |+ i; [% K Q6 ^# }# Jset j (j + 1)4 Z9 Q' D+ e& Z$ s8 x
]
6 G0 Q7 I7 a+ G+ t; Eend* J* z* d: X/ s4 U2 T5 i5 o9 {
o/ J# I* O, v( c! v. j0 s. n
/ b$ ]; L- Y1 D0 q& D0 i
# p- l( Z4 Q& c1 k. b9 o# _$ }+ @. Lto get-color- k. E0 ]0 i- V
k+ U1 C$ n, x: q2 {set color blue
. v* t$ S+ P5 g+ s4 J* Jend9 i' A. P% N! h5 j! x# t% l6 T9 B; O
8 R7 A5 y2 y+ c9 L5 Y' X* i
to poll-class' c; W! U& k9 M' |: D
end
% p& l0 _7 X& c/ A( D5 J1 U' |- c" W: G& o
to setup-plot1
# k! d& M' q7 x3 ^8 b5 C% |/ x i6 E; p( F, P8 c
set-current-plot "Trends-of-Local-reputation"# |; o) Q# A j, @5 q
3 t) ]( p6 f% d! ^- w, Sset-plot-x-range 0 xmax
6 z5 x9 ?, f- Q" S# x; L: L. @ q% N: }" z q+ s, S
set-plot-y-range 0.0 ymax
! C& O ~' F+ a( q7 Z( O) F5 wend
{4 z% b: `6 |/ @ j3 o" f0 _8 G
to setup-plot2
[$ B( a% f0 Q- j( w$ r1 U
) n5 |. D2 L* X/ w/ aset-current-plot "Trends-of-global-reputation"; Y1 P: }" H: X5 I0 v+ q* i
9 V4 c7 r4 o. s1 c: Y% u% j% F
set-plot-x-range 0 xmax' N) ]9 |, W# c# |6 e8 y8 G
+ R; T q/ v1 f4 l# l
set-plot-y-range 0.0 ymax9 `! L) ]1 e: z" [
end( `. a0 F9 b% n" }$ @# S. `8 S
: @. N. [ ^, b! W! Tto setup-plot38 l- K' R7 z' W. O
, Q% ^6 g0 I5 y2 [6 y$ s% u
set-current-plot "Trends-of-credibility"
* i4 ~( l" b0 G8 X* C! ~7 s! {, [6 \8 p1 ?! a
set-plot-x-range 0 xmax
. ~, ~3 X5 D7 Z8 {* m1 c; X" M, R% h4 |9 @
set-plot-y-range 0.0 ymax
' ~# R2 g5 z0 c$ n8 ]9 Rend: z; i# S( Z6 q' h1 Z
; n) i- }) Y% B$ Z' e
to do-plots( V9 c5 W9 l/ d% f4 l* r8 ^1 S/ E
set-current-plot "Trends-of-Local-reputation"
% _2 Z$ h& A* ^9 R i6 u3 |set-current-plot-pen "Honest service"
! O5 ]! I! T8 V9 U2 J0 E/ rend
# P8 U, Z$ O( {8 }6 ^! b2 C" B3 b
* l# \$ O) f/ ?* ^# l4 C5 h[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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