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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
: `& X! S- }# X* r; N7 F+ bglobals[
: a F* f; t: uxmax
& _! S5 `8 l" i% w1 y9 n0 [: Fymax' g/ s1 } {$ C2 [, k
global-reputation-list# _6 H7 f. G- h; K0 F% v2 U
6 T0 c; Z0 q* `5 X1 Y
;;每一个turtle的全局声誉都存在此LIST中/ O! G0 Z3 x" r! e6 h
credibility-list" R+ X; S; o9 i! u5 h: H+ z
;;每一个turtle的评价可信度 j+ ~% p+ P7 ~8 C9 Z
honest-service
: E6 H1 V" Q; d G/ O, F9 munhonest-service
7 X! [" Q; v8 @9 ^ ^6 s8 Soscillation5 |0 q X- w0 I8 ~
rand-dynamic
& p) F. H* j; d1 P]
8 ^$ \7 S. s) d1 D8 [. O0 Q. E$ ?' e, z
turtles-own[
) Q2 d5 P/ P& H6 T6 |. l3 ftrade-record-all
* Q9 ]) d8 l5 l. y. M5 p0 L;;a list of lists,由trade-record-one组成7 p9 G) n/ u8 h# a4 Y9 B# o, g
trade-record-one
* s+ q$ g1 @! Y% Z0 P7 B) z;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录/ A+ P) }& ^% I. D" b0 K- {8 w; K' M6 O
0 s+ f/ }8 e) Z4 V7 A5 v G9 V
;;[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]]
6 {6 }- S3 J/ E7 b8 strade-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]
- i* C/ L+ |& Jcredibility-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list5 P* X l3 z2 p" U: u* J
neighbor-total$ ]* C! {1 M) {6 \
;;记录该turtle的邻居节点的数目7 p$ P9 t) _% }9 l; z! z: b
trade-time
: |0 U, c. ]' T! x;;当前发生交易的turtle的交易时间
3 ]# A& O2 ^( l, Kappraise-give
! O+ W( a5 M+ h3 _& };;当前发生交易时给出的评价
0 {# G9 _- J, {appraise-receive
* p, | l4 g2 b6 V;;当前发生交易时收到的评价* `! p& A- o+ z' p. i. H1 M
appraise-time
6 K h% U0 G! d8 v# E6 W6 i;;当前发生交易时的评价时间* O# F$ ~0 p9 B9 Q9 {2 Z: _
local-reputation-now;;此次交易后相对于对方turtle的局部声誉+ ]7 V X9 W- X" i- V
trade-times-total6 w. v% O+ u W6 p) r
;;与当前turtle的交易总次数
* J) W9 k7 n% _* {7 Xtrade-money-total0 d5 F7 R) `! r+ T& v& C3 A
;;与当前turtle的交易总金额; E2 |$ e1 [) p" J
local-reputation
8 M9 F: z) j" x( b+ B3 R" x& hglobal-reputation. B& N$ w1 s$ n' ^- q
credibility
8 G4 \5 o" u) c;;评价可信度,每次交易后都需要更新
6 l/ t3 k& Z+ M8 Zcredibility-all: {8 c# F9 q' H3 W j _+ w% G
;;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
; o3 F' c& q) H; M0 d4 Y. B( P: E0 k$ {& v& S; M
;;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
& h6 a8 }' H: ?1 M) Y& n; A5 S; Mcredibility-one
6 Q9 C# J: m; \* k;;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% t+ ]! Y P, B" s
global-proportion: I% _+ @/ ~& D6 b- u
customer
4 f4 n, A7 H& d, a8 `# Z, ?4 icustomer-no8 m* K% G8 C) c q% D8 I
trust-ok
, V$ U. N7 Q. gtrade-record-one-len;;trade-record-one的长度: y5 L5 q5 V* ^( R) X; d" {
]! K: D4 l( E& q4 l/ S$ q6 O
# h# o9 |6 }/ G4 H1 g
;;setup procedure" S, b6 ]. t3 s# B, K* N
+ q2 Q+ `2 U, s k U& sto setup/ t( ]$ y7 G2 s* S
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ca, \/ s" S% [/ d& n9 Q6 m
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initialize-settings9 [" n4 @, v+ K; H! W( W2 V6 J
$ ^, G7 d% Y7 f. f& k2 O" dcrt people [setup-turtles]. E6 H* ~5 P/ s, N7 D3 Q
+ o) Z3 A" H- Z' u; v; U+ i" Y
reset-timer
6 I( h9 M/ y* i. Q3 m1 y4 \7 L% J$ C9 P7 C4 n; q: b% M1 Z
poll-class V" b5 v( D" x
! q, e+ y! P G; Isetup-plots$ |0 K( ?' B" S! x) y1 X
2 l0 L7 l$ V) {/ K2 A' U( A9 ~, N
do-plots# z/ F5 |; B* k; @6 C ~1 f4 L& Z
end8 Q; r8 r. v3 ]$ N: ` T5 ]
! a3 y) [) a( t! {% a% h" D' yto initialize-settings' _5 |0 A% e! @
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set global-reputation-list []
5 h0 X$ O2 x- w
; j4 z% M2 y! Rset credibility-list n-values people [0.5]
0 `. Z5 {0 c$ F7 d- [* L
3 F7 }& N+ g3 H& a* cset honest-service 0
, G/ B2 y7 n! p5 `& M
i4 z! D9 }+ Cset unhonest-service 05 g: W8 J: [( i. E
( f4 x/ i) T b; a/ N
set oscillation 0
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% P* h2 c4 T w4 C- Cset rand-dynamic 03 E' @5 R$ U7 P+ W8 ^
end
H' P0 T, g* f3 L0 P
( c9 H& b4 E4 d! Y# S: |to setup-turtles
8 R! i, }# S% w1 e" Bset shape "person"& V7 _$ i+ ~% t
setxy random-xcor random-ycor. Y ~' ]$ Z% Z2 _
set trade-record-one []$ @/ i6 W& v$ }) \# ^: _+ D; j( [. T
& U a+ B! v4 v% n; O8 K" P
set trade-record-all n-values people [(list (? + 1) 0 0)]
, D% J6 p/ a4 Z
# `/ ]1 X& q: Dset trade-record-current []# h4 ?7 e' i! R8 a* X+ e- c% Z
set credibility-receive []2 {# g5 X9 i# a
set local-reputation 0.5
5 s9 [1 @8 E) cset neighbor-total 0# J6 p& w$ _" l9 u0 i
set trade-times-total 0
) N6 l9 @# {- ]$ v7 l' }set trade-money-total 0& ?, i0 p3 [+ p- @+ [
set customer nobody
0 o3 ~' g2 `7 Q) r! h7 Xset credibility-all n-values people [creat-credibility]
T2 R$ v" j6 }" A6 T) B( @set credibility n-values people [-1]
4 A/ u3 z4 n5 fget-color( Z! e2 b4 h4 w: W- h9 I
$ S- `6 W# } ]end
) F" `1 x% L0 ^- \2 r, J' G( u% y
' h0 Y" ^; P$ z% n6 q5 Xto-report creat-credibility$ ?- d) M ?* M
report n-values people [0.5]9 p0 d0 U+ z4 Z$ ` T# X- k
end% O# Q' c$ [+ L7 | t9 T
0 |% B2 y, O. t- ]4 L. }
to setup-plots
1 j( B* O5 ^ U% a2 a: E/ Y4 }# B f6 R+ R- B& _5 d! Y5 U- |
set xmax 30* A$ B; d- T/ v" J
; v, I. e0 z$ u( g& Pset ymax 1.00 N2 @! F7 Q) p7 E$ T+ y9 d
' E% {% ]/ \2 m; a$ U1 p
clear-all-plots
% N- y) K W4 Q# ]
' B) W/ F3 F Lsetup-plot1
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" t$ J# i+ Q% ^. P& P- o8 }0 bsetup-plot2
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setup-plot3
$ x6 w9 }5 m- S: f0 M5 k" @end
3 |& s5 K" | q
3 a) Z. t1 ~0 d& E3 ^3 S;;run time procedures4 Q* O- Y3 `' F- h3 \( N* U
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to go
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ask turtles [do-business]
a' O) c' G! K+ P. p3 h6 Jend
* e! v( Q8 D9 l% C/ |( H3 `! K2 B
, W% P' |# E3 Z% U; dto do-business
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. E& w+ r2 ~$ w7 d& e; k0 P) V. L$ f
rt random 360/ w$ h! I6 D8 t7 b8 B$ ~
W {0 ]3 b7 y( ~+ r# I1 }' k6 P
fd 1
* P8 p- i! q7 _, y- a6 q/ b" y8 }
ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here4 }, i* L. g, X
( j4 C) `- c( N8 L$ q j;; set [customer] of customer myself0 y: `; H1 |; ^* s3 V1 M- |* T9 S
/ }3 O1 V! Z& P0 {5 K( a3 h) Tset [trade-record-one] of self item (([who] of customer) - 1)
- q: ^* n: J Z: `1 L Q' d[trade-record-all]of self
v7 r9 x2 Y% n8 E/ u( R, X;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
+ p5 H# W2 x' R! k
O' I K; v* U: o9 d/ C Oset [trade-record-one] of customer item (([who] of self) - 1): m+ T z3 K( \' P4 t
[trade-record-all]of customer& A9 e5 b' A1 y! ]( K. W2 T
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set [trade-record-one-len] of self length [trade-record-one] of self
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set trade-record-current( list (timer) (random money-upper-limit))
3 |+ V& a* [' ~& w& ?, P1 `
" {. d- R, Q, D4 pask self [do-trust]
! n+ A; n" S( F" g& G;;先求i对j的信任度
/ G: U. y0 [' D% p" B4 ?; @" }$ k* Y" U* V6 W# l
if ([trust-ok] of self)
$ F2 Y$ g3 {' _) n;;根据i对j的信任度来决定是否与j进行交易[
0 I2 N! P$ D. N% I& @8 Q) z" bask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself3 w+ K( q" n9 s4 X9 f7 T
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[: |$ f( q1 V6 A( R6 M" I
6 i0 Q2 C: J; {
do-trade
+ s# q* P' L' C) W9 U* s- l3 n
# i6 m! e: J/ u" y, \update-credibility-ijl
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update-credibility-list
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/ t3 h* Y8 i q" x6 ~+ l
update-global-reputation-list
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poll-class
: S. r! E# o* |& B
/ u* i f, e+ U3 y, t! oget-color
g3 O0 O6 h" v4 Y
# E* n. q' o, c+ j]]
g K! w, O% Z7 X9 F" g y+ Q7 s9 _( [
;;如果所得的信任度满足条件,则进行交易
9 ~) j* k( h+ F T5 C! S" Q
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8 D x7 s6 W5 } `* b6 }7 }! d
" o' K: |1 h* [7 ~% f3 G: n' rrt random 3609 u* n- J# h3 o. W( r2 `8 j. r; y
" A+ Q/ D# _( d% u3 x# R2 V8 A8 Q1 q. t& Lfd 1. T; ~/ Z9 b7 K2 X. D
1 I' t/ J" g. p9 F4 _2 Y1 S
]0 y! ]% k8 H' \1 u0 C' j% N$ o
' u( T7 T; x. Z T9 U9 Qend: X; b4 X0 s2 _$ X- Z. I$ d2 g
' _/ {1 `. n* h1 R7 U5 Q4 w4 U
to do-trust 0 Q" L5 @8 Y4 ~
set trust-ok False
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$ @: h- ?2 _- u) Q# B& V( M s+ p+ v
let max-trade-times 0
3 q. T: w! Q$ x6 p; K( [foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]* l( n- M$ z7 i# h, I$ @3 g
let max-trade-money 0
; I1 M7 w6 K2 v5 i2 j' A3 y: h, Jforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
! [7 z; r/ B# Y9 W |let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))- A( D0 n* { c( i
& Q: q) [0 R8 V
, I/ _% x5 T$ K+ i' [
get-global-proportion$ w. Y3 q/ ^4 c) P( Q
let trust-value
) L( B# G }. H$ U# t! E }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)' `5 m2 N1 {5 n5 y( y
if(trust-value > trade-trust-value)4 Y K+ u/ c) t4 O
[set trust-ok true]
6 }- j) G& i4 c7 Y# O! dend2 G8 r& _) F3 b! b' f7 S/ B: o
( ^* }7 W8 d$ N# U' o
to get-global-proportion' O c c3 b" B3 N+ a% m* r% e8 [
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
; F* E$ H' g1 U) I4 ^' A[set global-proportion 0]
- M3 [. Y7 ?* ?[let i 08 o; C; b R7 A; `1 e# u
let sum-money 0
& g4 J4 u0 b& c& Y! H# Dwhile[ i < people]
: b2 h* F) ^' d; w j[
5 w- k# d2 N" F; Y Z+ H. T- Xif( length (item i; z" U# S( \1 L2 T
[trade-record-all] of customer) > 3 )
) p9 Z6 N9 F3 w. J[% z# y) z- W1 n( x+ \2 ^
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))2 L+ u' Y, V4 ?& x
]. S0 I* J3 I. X
]
, O t0 p) B/ p1 i& K& Rlet j 0
, \. m N" E! t' e* n5 c/ W% }let note 0; X; O$ }) ~6 B' E7 |, o
while[ j < people]" g3 E0 N# v n" W2 M, y7 \
[8 A& x% g# R) @: D& j
if( length (item i
) f$ o' X }, K* y& n[trade-record-all] of customer) > 3 )5 A0 y0 g% C' T3 Y' s
[
' x# N- C5 B1 z2 L6 f, Tifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)/ \3 ^- n. B7 n) E: I
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]% X- e- l1 U6 D/ d; q
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]' v5 K; J# o/ e5 D$ G
]
I4 f; _5 I4 r3 r: D5 x% v- g1 _]8 o& K2 x! ~/ F. ~4 ~
set global-proportion note0 u* Y6 |4 ~, W1 ^% o& s
]% r6 D- y1 a9 M0 S1 U+ c
end
4 F- c9 i& w. x+ O: q7 j! g6 d* ?% ^, O2 a! X- f- |. z
to do-trade
3 c: G8 N/ V9 S- @! H;;这个过程实际上是给双方作出评价的过程
7 O t& ]8 d- L% f# U: p, Yset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价0 u7 X1 v P" P2 z, u$ {
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
5 k0 Z0 Z2 R* }set trade-record-current lput(timer) trade-record-current
& k, g/ C; s: U, L/ D1 x i* i;;评价时间
% Y. F6 U! u/ f# @: c Yask myself [% I) @7 C1 Q# n9 w' j! T0 r+ J
update-local-reputation
0 o! ~; H |0 {$ d% y) wset trade-record-current lput([local-reputation] of myself) trade-record-current
4 G# K# i1 X6 u) j# q( l+ F! B C; @]! }* [& n; h5 V3 {5 l
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself) |' f- i3 R3 i/ [$ L- h
;;将此次交易的记录加入到trade-record-one中; h9 I1 r- h, a' ~0 l$ z
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
9 e! t: n5 n) k' k2 a$ [4 glet note (item 2 trade-record-current )- A6 a3 p5 A# Y
set trade-record-current
9 e! m9 E$ R, c4 [. r(replace-item 2 trade-record-current (item 3 trade-record-current))% q X: @9 k. G6 Y
set trade-record-current- _ z0 `+ o, L7 G6 @( x
(replace-item 3 trade-record-current note)
9 }" s( ?. S7 j! `# x; o0 c# S
' D9 D7 `- w6 G2 h8 ]; g
2 g3 }" _) r+ kask customer [! w2 |% y6 X4 k! y
update-local-reputation: A9 l1 P, B$ O& Z6 j
set trade-record-current5 K' F# z4 s* b. L7 w1 y0 D* [7 x
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) . @- d0 z$ a8 k+ o; ]
]
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; D4 A" D$ l% T Z( s$ xset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
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set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
- y4 c% Z* h" V* I;;将此次交易的记录加入到customer的trade-record-all中
) y8 {1 ~6 j5 ]* Z! e; [! Xend* N: V4 s9 ^' N
, @( t# S: x5 V" @ B4 zto update-local-reputation
. a; G6 N( E% y6 z" G7 k$ V# \set [trade-record-one-len] of myself length [trade-record-one] of myself( z9 P" n T8 b! I. S/ Q; F
$ F9 t( e, n+ W- v4 m2 W% f' o9 \' @2 e. ?+ y3 t1 Z9 @4 J
;;if [trade-record-one-len] of myself > 3
! g& m5 K+ w5 |4 C; bupdate-neighbor-total
; D. _2 C' k, a; d;;更新邻居节点的数目,在此进行
1 b8 ?4 S. T0 r1 R- D" flet i 3) {+ D4 Z5 | U1 v2 ]
let sum-time 01 f0 h9 ]# l% f1 I, k$ ~
while[i < [trade-record-one-len] of myself]
- h( l0 u- e* f[
! }! m0 B, L d/ mset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
" s! R% ]+ @0 qset i
3 W: G4 {7 C4 Z, v2 o) K( i + 1)
0 _# f% o, _" z( [; C; N]2 N* [3 s2 O5 H8 p# y. Y
let j 38 K% i: A& B6 |* g* m
let sum-money 0
; r: x( K& ^ r& D2 T: E2 B, Awhile[j < [trade-record-one-len] of myself]
# U& c% c: H# d7 E[
% F. `, g9 @6 v2 V, ]) c9 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)
8 W! Y& N& l; W, V; [set j; a# x8 s% s. Q* w) }* {! N
( j + 1)
& ~( @ g' M" z: J& A, V]& a" H% i# c- Q+ I2 B: w9 ~
let k 3
2 @# \$ l* c6 { u1 U- V3 E5 \let power 0- E8 K+ M, K8 k$ F6 R
let local 0+ Y$ x4 K* u7 p2 U/ R( B
while [k <[trade-record-one-len] of myself]( I, Y* \6 c2 [3 w
[
; W1 [) W* A1 o, `% Sset 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) 7 a, O) j; [0 p9 @. [' }
set k (k + 1)
3 O4 p9 e1 A& \: O( _0 m8 \# r) @# Q]8 ?2 W: ~1 p- `2 M9 ?
set [local-reputation] of myself (local)
! I7 D, O: w+ i; `1 h2 H% u( Vend
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to update-neighbor-total
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if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ], B$ X/ W" ~1 W$ b, _
# v1 n( g" T" p" P# M
- A o8 Q' E# [# o2 kend
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to update-credibility-ijl 1 ]4 m3 L- w+ f
, k3 ^8 E6 \3 }; |4 e8 W! i$ 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。
$ D7 f6 G' K* N C) U& W2 Tlet l 0
; b3 m% L9 h8 P) D$ L( uwhile[ l < people ]. h8 q. ^1 F% r+ i# H' n
;;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
6 R3 Z4 A9 O4 W9 C) ]' X4 G; Q% Y$ r[
! ]! `! M# Y. u+ f; P7 H9 ^) g- @let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
; o( V6 e) h/ Q" X7 B0 Nif (trade-record-one-j-l-len > 3)5 N) v6 X) e2 y7 I5 ]7 H' 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
/ s8 D4 e( v" \3 R4 k- s+ j0 Blet i 3
& k1 x8 V" S1 K' b* M) Plet sum-time 09 ?$ r5 r7 g. S/ R. d; n+ W$ I" s
while[i < trade-record-one-len]! _2 ?7 l. s' y' I% [
[
/ \" V+ c/ X% X7 [set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
' [5 E$ P6 T. ?2 {1 Nset i
# W" B/ Q( j2 N8 |( i + 1)' n" k$ s! l' S2 i) G' C$ Q+ B
]
w9 S `& z' O6 K- p! }3 dlet credibility-i-j-l 0
6 P1 B% n8 d1 t;;i评价(j对jl的评价)) J" Z% y2 ?7 |
let j 3
) k* d$ `, m T- E6 z. d( Ulet k 4
- M. ]4 f6 _5 Rwhile[j < trade-record-one-len]
0 A; ]3 G0 s6 H0 v$ v: C6 q% V[/ \! Q- V: \# [0 i2 o- ?
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5 l& k1 D4 \( `* k: {& q H1 A
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)4 H7 E: G) C- O& `
set j* @8 Q5 [3 a$ x# N# h
( j + 1)
2 l, w: a: z* O8 C2 m]
6 T ?# y2 {* Iset [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 ))( s4 A4 |5 G" `6 b* A1 o7 D
; [+ J' @, U5 r3 T" j% }9 I
2 X' A( {& b8 |/ N% n- l
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))% y1 Y/ j7 Z8 r9 ~/ P" i _9 j
;;及时更新i对l的评价质量的评价* H& F7 a& Q5 b+ R8 z
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]6 k" m% F ?- o. s2 U/ S' X/ c+ f2 |0 p
set l (l + 1) H0 y+ L9 G1 e7 ~4 h
] Y& W2 ?8 r& y# |2 _
end
' z) [7 H; U# d5 n
1 j- e/ ?1 V1 h+ h6 ~to update-credibility-list
: e X6 A" g1 A2 z& e5 dlet i 06 q2 r' c, g8 w. o
while[i < people]1 h8 l3 S1 W1 v1 x. y5 E, `4 B
[ B* ~- K" C& g; n' D
let j 05 b' X# b' s2 g
let note 0
" t5 K6 x! Z+ k( T6 c" _let k 0% V. ?6 \$ Q' w c3 R" f8 \, h$ a
;;计作出过评价的邻居节点的数目
' f4 L/ R- A% b# S7 bwhile[j < people]
2 _, b+ z5 p T$ P! j1 q# ^[
4 n; ?/ V! R# v4 u" u; Gif (item j( [credibility] of turtle (i + 1)) != -1)( k0 P( e9 J/ }! Z
;;判断是否给本turtle的评价质量做出过评价的节点
& N+ d7 W$ H A3 y' ?, G[set note (note + item j ([credibility]of turtle (i + 1)))9 M8 ^9 P4 H' \/ m# }
;;*(exp (-(people - 2)))/(people - 2))] p' q$ }# t+ X7 n* B7 R' b
set k (k + 1)( R P j0 O1 w: N; D( ?* m
]. [0 o" Z* h8 H* r
set j (j + 1)2 @* o: \, N+ C5 U& T! n, @- X
], @; ~5 K, |, |' ?; w* T& l5 V
set note (note *(exp (- (1 / k)))/ k). w& _ C4 F1 V8 n$ s
set credibility-list (replace-item i credibility-list note)
- q7 [3 R0 b. A7 c# xset i (i + 1)0 G3 g; \- d( h" d: Z
]4 B: }' ~$ N Q5 q6 c% p- S: ]- c
end7 U ^* j0 G. W" Q, |
5 ]& r! i- k" e$ ~& T) ito update-global-reputation-list: `, G; }" ]6 W
let j 09 A0 ?5 K6 X/ p- c
while[j < people]
: v" D1 b) E7 D5 y8 B7 |2 u* _; U* t9 Q[# w" Z8 h: R4 F2 C5 Y% _
let new 0
' U4 m8 @9 k9 m' ?;;暂存新的一个全局声誉
4 q j. r2 \ \5 g- xlet i 0* E1 \" R5 V- {5 P7 d; ~# w" _
let sum-money 0; l: B; B7 v5 T5 g; Y; Y- v
let credibility-money 0: a& f5 ?6 q8 m0 |1 m7 ^# e
while [i < people]7 Z. S/ t5 |$ b8 x' l
[( j; `, g0 {; U1 D9 o9 b
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
L1 r- H& Y) [set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
$ a) a8 H1 Q# q; P0 B9 H, }1 Nset i (i + 1)
, _9 N; g7 u5 S. B: Z1 K, V, ^]6 G: n' q$ P: c! ~/ ^
let k 0
) L0 c* ^- D' t" `& r! m3 Mlet new1 0
* Z" V4 b4 x; I2 I) ywhile [k < people]" y, a7 g6 ^. k; G5 B
[
3 z2 h% o$ _) ]5 v9 Iset 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). `; U* s% E3 O7 w, Y: n: `
set k (k + 1)
$ I, z% P. [+ f) D/ n \]( p+ q- e3 ]" L" Y% _% f' C
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) * d4 ], W1 ?8 Q- b6 u: v
set global-reputation-list (replace-item j global-reputation-list new)
% }! y2 y n h, K% J: V( [set j (j + 1)7 M5 Y- |4 J" D5 r$ Z% q f4 M4 ^& W
]
: O! H9 v& h3 W& H/ t$ Dend! D( ?3 V, B/ k0 L! x6 j
& {2 T4 ^: a& V% `% e0 D- B. t1 ?
* k$ h3 T4 Z$ c3 x" ]
7 X5 P6 K# X. A5 [8 Oto get-color
. n6 a; L0 Y" \$ H9 V! ?& F! F+ Q4 Q+ J! ^9 Z
set color blue: h5 g2 \* s% M
end
% n. t' Q% b! Y4 U) r# H& T1 A8 P7 z0 M, O7 H: X9 Q
to poll-class9 Y/ f: D0 c4 n2 S' D4 o
end
; r, t: ~6 V4 u7 i( g; R$ y/ w z- L1 H g0 s+ O
to setup-plot1) f1 H& Q) i6 A, t4 _
5 ^: u' {" I! J& `- e' i
set-current-plot "Trends-of-Local-reputation". E) ?( u4 A! J) f7 _3 c; D
. C# |0 O6 K% Xset-plot-x-range 0 xmax7 |8 K; H* q" H. }: l
/ L `: ^+ X r( o) Pset-plot-y-range 0.0 ymax
" g$ g1 }, J% G2 d: W7 Jend% N7 _& B( A/ n1 Z
/ h0 u4 q H5 t+ u8 h. y d: H) \ L
to setup-plot2# ^2 `# [3 @3 z5 ]3 C. }. X
: W" e0 P- e5 W) O% D' X$ r
set-current-plot "Trends-of-global-reputation"4 I. ] \8 r& h
. H. g# W! ~5 h" U7 h. A
set-plot-x-range 0 xmax5 s6 [2 I/ }) S' M' ~( ]
* O [. J8 H* p. }& dset-plot-y-range 0.0 ymax
' f" B! O2 K7 I& z. rend' E9 v0 \! S; P6 I- q% I
. ~ G$ ^) A+ b
to setup-plot3/ M7 x2 f1 V5 y4 U: W) a& B& E
7 a" b. C! ^/ Qset-current-plot "Trends-of-credibility"
/ r# _$ R8 J) H3 X6 o" G1 [" {
$ p0 U% W2 q: P2 Z- aset-plot-x-range 0 xmax% k" \9 R: ]: X% c. Q
# J ]! C/ f. H, J9 J( y7 nset-plot-y-range 0.0 ymax
; R' x7 L4 d" I; w& M. Send( s- G. J; G& X% `4 j+ Y
3 K6 i+ j0 f6 t g4 V5 i$ Tto do-plots; i" P/ c4 C) e* a
set-current-plot "Trends-of-Local-reputation"
9 P' e0 f. } U pset-current-plot-pen "Honest service"4 c, ^& I3 h ~8 a& p
end+ V. [( @7 A ^& F
0 ]3 P# d2 K5 u* X
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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