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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
5 b8 E/ V$ f$ m2 Y. j# o' ?globals[
, p# }2 ]( I: M. i! dxmax
2 g, Y3 g6 m, Z( M% ?& H0 \ymax7 k3 v$ H! k' A
global-reputation-list
2 u: s( |$ H# n: k& o7 h+ X' x8 {1 d
;;每一个turtle的全局声誉都存在此LIST中9 O6 M' F. N$ a% M9 |! l0 e
credibility-list
" e4 q7 ^4 d0 L. V. L( c;;每一个turtle的评价可信度
& V9 M6 e6 Z& w# e6 r7 `# N; H: mhonest-service8 Z+ i, [7 \) r" }+ T8 |
unhonest-service. j- S3 v2 q3 F D3 `' X) ] ]# _ M
oscillation2 j" a9 m" S' Z9 v2 E8 e9 y+ b
rand-dynamic: t# e, E# O2 [! A/ u: {6 M
]* l3 y1 `: Y$ t0 b* H0 k( j
+ u* ~2 q( r: |) P6 Q
turtles-own[
; M% g! J) K) Rtrade-record-all/ ?% q$ \. k/ F
;;a list of lists,由trade-record-one组成* I# k0 S& m' Y X4 \
trade-record-one
0 n y+ ]! [1 o; ^9 k. g: E$ G% h3 G( h;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录* v" ^- M6 d3 c
0 @9 |0 G6 e d* e* X' g
;;[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]]
$ `! c* N$ {) M$ P/ h* |# a7 I4 @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]
1 U& `! p! h6 P8 q6 z/ R% ]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
0 [" c# n6 J; r) c( N, Vneighbor-total) e2 U+ I5 Z2 Q# o+ V4 e! C8 ]
;;记录该turtle的邻居节点的数目
6 s0 t' i. g z- ]0 ?trade-time
* h& ^6 C V9 i;;当前发生交易的turtle的交易时间8 @: [$ A0 J# P' `" }2 D
appraise-give- ~, x/ \ g! D# i! \9 G: N
;;当前发生交易时给出的评价% ^9 _4 r4 H+ n9 w9 H) C- X: }
appraise-receive
% \# Q( f$ G9 ~" ^# I3 q;;当前发生交易时收到的评价' {2 F" z" Z% @
appraise-time( ^: T1 a' J9 l, I
;;当前发生交易时的评价时间
1 h! }, S" [: t2 X" y- plocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
1 V8 \& X1 \- H, Vtrade-times-total4 r8 f" b9 z1 a M0 Q6 j
;;与当前turtle的交易总次数
! N9 t. E5 Y* I8 W- u0 t5 Strade-money-total' s( {; v& s! n
;;与当前turtle的交易总金额$ s- D, P9 ]8 r' q, \+ v, Z0 _
local-reputation8 i. l' N8 ?. N W8 _0 I
global-reputation
) H7 B5 O$ t- E1 ncredibility4 S; {5 N4 X0 Y/ G1 X+ n( j" ?
;;评价可信度,每次交易后都需要更新: ~/ s i2 U) \! F
credibility-all
3 e7 W4 W/ l1 B9 J. X- B;;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
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1 _( R; E3 j" r. Z. s;;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
# D _ ]5 [% ?, @" ucredibility-one
1 T4 U, P9 e- J;;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8 t8 Y; E3 s4 l: C! L" ]7 h
global-proportion4 }( q' {8 \* f; c% ~
customer" ]! G( F5 g6 u* X
customer-no
, d& a! w' E L! q" ftrust-ok
7 Z0 D" ?) L2 _6 Y6 mtrade-record-one-len;;trade-record-one的长度
* A+ v9 I+ ?& x4 a1 []: \6 {( w) F, I! u( j
& L$ ?! W2 x) K, Q1 K M4 w/ |- R
;;setup procedure. o) t/ u) T( R! P8 Z
4 J) c9 H. l. zto setup G. a1 c; u) e) h y/ B
+ P, ?8 l( J* K$ M- pca `, j8 w8 o8 R/ N9 \6 a }6 X
3 V; i- ~. M6 Ainitialize-settings
/ c2 x3 b0 X: H4 _+ b! h5 t$ d8 D+ {6 x: c: t( S
crt people [setup-turtles]
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3 m$ y* d) O' j; ^& L" Q7 f) jreset-timer
/ U! p! ^4 C: A6 d
/ s o: T$ x& G- a' S- t1 g# epoll-class7 D: H( e p7 O4 a
C+ J4 N/ c0 ^# W; o. A0 qsetup-plots
: h, d3 y# _# t2 n1 P
! p" a; V% r) ?. q4 odo-plots
0 J1 w( ^4 s- r1 |' Yend
5 @) I& r8 _- \6 z
* g$ z9 v2 C* a+ o: tto initialize-settings
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set global-reputation-list [], `! l( d! H0 L* Y
+ L! |7 `/ v$ @set credibility-list n-values people [0.5]
+ C8 U2 i9 n0 u8 P: n/ O) [$ U
6 J% `4 w" `% ?6 ^' U; Nset honest-service 0
5 n% _3 H; U* w- r5 M4 E; _, \8 z6 x; S6 F; G- M( \2 A7 R- s8 s
set unhonest-service 0
! s$ L9 N& G; g+ o
* v2 o! g0 f" zset oscillation 0, e/ Y. Z; s2 Q# }
9 H* Y3 a: c7 `* c a& I" Q! F. |set rand-dynamic 0
4 j; h# {) d0 `1 dend. D2 G+ }4 C, Y# i, G/ w' @4 W
) I, H, W, S/ Gto setup-turtles * b) x9 w% W8 q6 w
set shape "person"; i' e- Y2 u# r' Y
setxy random-xcor random-ycor
6 y$ q4 `+ O' B( Qset trade-record-one []$ d( S( H* ]: S, h8 p1 U) p
" L1 ]& L, [: Dset trade-record-all n-values people [(list (? + 1) 0 0)] ' s" K. x2 a6 l1 A; N' A( C. p
8 n$ d; R3 z0 o0 R2 R8 }set trade-record-current []. L' ?/ o6 o. O5 K3 Z
set credibility-receive []
. I( O! m* z& gset local-reputation 0.5
' Y8 R6 V: }1 q% Eset neighbor-total 0
% |. r% n6 h$ M; v8 zset trade-times-total 0& ]! l# y; d* ]3 S5 [
set trade-money-total 0
9 v- k. \! y/ h$ m6 d6 dset customer nobody
, G" {9 y& i: `' M$ b& }+ A9 hset credibility-all n-values people [creat-credibility]1 h2 C8 Y; I7 R
set credibility n-values people [-1]; W2 C' g- T5 ?! ~: \; O- N7 w
get-color' `3 N4 G$ x* s$ N* c O8 _
- Y4 w" {- O" B5 t3 e+ ^3 h
end3 n* ~2 ]5 ]. I1 O" {) U* ~ }$ ~
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to-report creat-credibility/ U/ Z: }# @* x0 \. N, D
report n-values people [0.5]* t' Y/ I7 C( c; K
end
x+ V3 C0 k- N! p6 {3 [$ {1 v) Q5 {1 Z# x
to setup-plots8 U/ g4 z3 y" Q' g7 E9 C
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set xmax 302 ~" l8 d% C1 p. ]& P" F/ N
6 V' {; [: a. Z$ ~# @8 b
set ymax 1.0
' \9 M# h; `6 O( v: K9 A& P9 z P6 y: v$ B i/ @ A8 m. X* u
clear-all-plots# {: d# b! \3 B& |; n
8 J' B) ?- l6 `8 i8 Osetup-plot1
% U7 e# ^ _4 \7 U( w7 I% J5 c/ c4 F! j% v
setup-plot2
# S; C& E* i" P/ D5 E1 |1 Z: o2 q. C5 p- G
setup-plot3
7 f! E/ H0 Z3 y* O% Pend* K$ i) r- k" m% }# F, ~8 w% a' A
& v4 ? v$ l: z. G, a
;;run time procedures" M8 {; H: l* y9 N" c
8 P# J/ b9 [, U$ [0 @. @' pto go
( b1 V8 p3 n; Z# n3 @3 R( C+ l, z1 ~" q4 g. ]
ask turtles [do-business]
) H# @9 C0 x. Send% _/ z' K- X P1 H! }
0 h; |4 g4 s6 T' b6 z2 I+ U/ vto do-business ) ?( \# ^2 b( ?) @1 C. P
; U6 ~- u) `1 n/ X% D! X @' n
1 L2 Q. a( h9 ^: Q: G. W. Xrt random 360
+ ~0 X% K' `! }7 W' W: A) P" A0 \9 X* o' k5 U0 T0 T1 E
fd 1% B( C$ ^5 Z5 A y. L" p7 F) r
* D" ~& f! L0 y/ l' A, Zifelse(other turtles-here != nobody)[
. t; s j6 t8 r9 j4 D# e5 V: Q0 {5 p3 Y9 ^
set customer one-of other turtles-here
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;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)
0 ~# c! Z5 _6 Q5 K6 \# |[trade-record-all]of self2 K j- u" A c+ V
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
( P. n/ B0 N5 ^( T5 N9 i) E$ m
: M# a8 j, o! f5 r1 aset [trade-record-one] of customer item (([who] of self) - 1)3 u6 Q" A r4 M5 e
[trade-record-all]of customer; K8 b4 D$ d* h! K' Z
c, f8 U3 s1 j, l5 g1 _set [trade-record-one-len] of self length [trade-record-one] of self, o& k$ I: ?- F/ t
5 Z$ ?. f1 L9 E9 [5 B- ?+ Vset trade-record-current( list (timer) (random money-upper-limit)), a3 L7 l! Z1 I
4 K$ }" v6 u# f2 A# ^. j/ d, ~" `6 d) ?ask self [do-trust]
b @( K* y: L;;先求i对j的信任度3 {0 Z" l+ V6 d/ b
( \' l8 T2 B; B/ x6 @if ([trust-ok] of self)
# |0 W4 L+ {, ^. E! ?+ E- y3 ?;;根据i对j的信任度来决定是否与j进行交易[5 q* c4 m* Y" D
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself) e$ k, c0 u7 w% f) x3 O6 s
' O: c) O& U/ C
[
. V$ Q. C1 A& l: h
8 b$ m9 F; C& edo-trade
& h+ c* A6 g5 U; I! Y( j. r7 Q
6 l' E/ E) ]* v/ r0 \( b1 F, C, G8 gupdate-credibility-ijl% _/ p O0 k. U1 N2 }* r u% q F
* `# Q% V. [6 x+ N4 |- Z$ U oupdate-credibility-list4 J' N7 H! H" o" |/ x' ?
" I( o7 ]5 Z1 J! K1 p
9 e U! ~; o' P! @2 ]0 X: Y1 O Aupdate-global-reputation-list1 J* j6 m. [+ Q# C- D6 @ r. M3 b
0 b' ^! s& w4 J: ]9 Q ipoll-class
% [9 v3 }" B$ d9 v* L, ?4 T5 a" J1 E/ O6 p' O! O2 r/ s
get-color
5 |4 w/ B% f; j
9 |9 j1 `3 p3 C% [, p2 D]]
5 @' L7 i5 v5 E0 A4 Z$ G7 i) |) l9 K5 O Y! e+ T
;;如果所得的信任度满足条件,则进行交易- y* F1 _) a1 t0 r
8 R& _: c6 g( b2 j2 p2 h[
- M; O' f0 ~6 E+ H) q
8 a0 N6 \! Q( e" vrt random 360& l0 x. ]! y5 G# O( y9 c
: L W! s4 g' ^( b2 B" k4 K( R. M
fd 1: ^0 E9 ]. H" p+ M* H7 j4 h. s
! q4 v' h1 ?3 {/ C
], d# Y, m5 D% {# ^8 @1 d
+ V* Z$ o- f% v& R/ r- c6 C6 Z% f
end
j+ B% y, u$ o9 N+ i$ |5 d$ a( L
2 B9 S \$ M# o% T- t) `' [. Dto do-trust + Z7 r& l) A% a
set trust-ok False, ?4 w/ j- D* M+ l' E( x
' ^2 t$ Z& }2 v$ d
1 G# l S; _1 _" }9 W" c+ S$ r6 w8 [4 [let max-trade-times 00 g% r: J( _3 b3 U+ C
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
# g% u* X A. c0 b9 N# q' `1 flet max-trade-money 0( g+ J: ] _) C* }5 ^( ^$ M! X2 A/ u
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
. o" T- u$ u2 e3 z ?9 jlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)) N" A) I: R) b5 W, M0 M
$ [9 b$ M1 o9 a$ r9 M
/ S1 r6 I7 p, d3 x' ]4 y5 |get-global-proportion
6 A$ |2 a( u+ E7 x# ?6 ^" {let trust-value
6 |" m4 J$ C3 ^: _+ Mlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
2 h: [2 y9 S# J; [( p2 I" wif(trust-value > trade-trust-value)
! ~% t, F* h* m2 e1 ?4 a[set trust-ok true]! X Q2 D$ k1 [ a3 \ \
end
! m6 B2 L) I- K& W3 ^$ Y1 f, @- c6 s
to get-global-proportion7 Q- a3 U" O) f5 a1 a5 U0 |( G
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
- f7 |2 v; ^/ e$ }) O. H[set global-proportion 0]
* |1 j+ G O! |# L' D8 F[let i 0
" }& s! j, [+ q4 K Tlet sum-money 01 A6 I/ n3 G5 U7 V. ]" l; P
while[ i < people]
2 l0 t) M# _3 n/ o[
% g3 v$ e& r' T# o2 }' j7 Bif( length (item i
6 K8 X" @2 n' c9 m[trade-record-all] of customer) > 3 )
0 L, `( ~9 l/ Z0 b- Y[$ ?6 ^+ |) S8 i0 C) x7 j$ V. U9 n
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))6 B1 ?) e N* V2 J
] p7 o/ g, [ A. |
]7 |" ~8 W( Z( h/ m6 h
let j 0
) s8 J$ _: b6 W! a7 O3 klet note 01 K H$ V/ o3 C: U3 [7 M
while[ j < people]; `' o+ t1 Y l& X. v2 e' p
[
- f% R4 U9 M7 @$ q6 m B. Qif( length (item i) q5 ]- B! y4 p, S% K8 x
[trade-record-all] of customer) > 3 )4 J9 j4 b! h+ G5 T% J y
[' B" j3 K, {$ _
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
$ I9 P4 z v) q9 ^[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
) k* [$ W6 K: X) @! I- S[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]1 K; f( J8 u+ [) t7 Q
]
j$ K3 `) f/ V+ ^" w' D] L$ I. ~ R" z9 S/ p1 t) O5 L
set global-proportion note5 S% z* h& }7 _7 g# x' M
]
" V. c% o* A+ ~8 r$ u; m, s6 L0 send9 k8 x8 \; z+ i2 ] V
& m0 {/ j0 s7 |8 Z; b
to do-trade
Q7 C" Q3 w) n; @# ~0 G;;这个过程实际上是给双方作出评价的过程
, k# G( T& t# Z6 u+ O1 Bset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价1 u5 L1 G" V, O! }0 D4 N7 q* C
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价! ?! h4 h R) h8 t
set trade-record-current lput(timer) trade-record-current% ?' K6 }* y, B8 ^; Z
;;评价时间
X7 k; Z) e3 |- V9 X+ I% }ask myself [
2 O" V+ \+ N7 l W; e/ c% Lupdate-local-reputation
8 H! j% ]7 p. }9 mset trade-record-current lput([local-reputation] of myself) trade-record-current7 Z6 c$ Y6 v8 ^3 ?$ [
]/ u. D5 h" U/ p) O5 g' }3 ~
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
; E d+ u7 j' S;;将此次交易的记录加入到trade-record-one中
! r& ?2 j1 ?/ d8 zset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
- A+ b) g$ L. Y# y+ D. Clet note (item 2 trade-record-current )
) O3 R4 ~: O+ \4 Aset trade-record-current0 Y$ J. H, k: b3 H( N
(replace-item 2 trade-record-current (item 3 trade-record-current))
* q1 Q# b; G- w' Q; A2 fset trade-record-current' f; M/ Q" c5 l# p p
(replace-item 3 trade-record-current note)
( W" Y# d1 a. @& _" r6 u5 a6 ^, H: W0 B1 F- B
4 N+ p; U% |# q' @ y" {4 B) fask customer [4 A1 W, T/ P. t" P, N" H9 R' Y
update-local-reputation
4 `$ n/ G# H T$ [0 g; Zset trade-record-current
& u2 N5 \7 U$ @# n& }(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 6 r/ f' [9 ]( o' l9 K
]
' }' U$ X) b8 w1 M; ?: V9 b; S- A. g" f
3 O! m; }( C3 t4 |3 O' d( l
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
% K% h3 W; S: C8 B" b# ^
: a! z9 t+ B$ Y1 N) ?4 mset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
; o, m; ~0 L" T' e;;将此次交易的记录加入到customer的trade-record-all中$ ?' n$ z: k1 u: Z# g/ |* e% z
end
3 |4 g/ u& ?$ {9 o1 L
' L/ |5 ~# T @7 j7 F8 Dto update-local-reputation
" e4 t$ k+ k0 m/ F. Dset [trade-record-one-len] of myself length [trade-record-one] of myself
+ ?, e5 m" m' R! T+ E6 m! x, x
7 q7 f/ |9 F7 S, T
2 i( n' q! |* U* H% W p, I5 @;;if [trade-record-one-len] of myself > 3 5 H! M& a1 d9 Y: J4 d. U
update-neighbor-total* {4 B' O) A. X9 O, y
;;更新邻居节点的数目,在此进行
$ L d' _& \5 P% flet i 3
2 S# O7 z2 f3 T/ h5 R8 Jlet sum-time 07 r, R* `, Z4 E4 C( e- _
while[i < [trade-record-one-len] of myself]
! A& g- k0 M# \3 v$ e[, w0 o( q" j2 ^' ^
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
1 ~8 ~" [3 C" \/ H* Y# s9 o5 Bset i
" s) `* }# I$ J. ~( i + 1)6 W1 u w- Y, m% k U
]( C& U8 N# D4 b
let j 3- _" F" [( F( K" @
let sum-money 0, ~& F2 I8 D7 j* x$ {4 u t
while[j < [trade-record-one-len] of myself]
0 R; d3 Y' E. H2 @1 k[
8 E- O' V0 y- m. D3 Pset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
2 ]* O3 f4 f. C/ I; Yset j
) d1 u/ n6 c! j. H6 v# X( j + 1)& D& N/ g: C/ y' z8 P
]
/ Q t( q4 I9 R# plet k 3
" S9 g9 z- D$ Wlet power 0
. p* [6 u' u1 Z+ V" V+ J9 slet local 0
4 W& x- |/ s& d# p, T. Ywhile [k <[trade-record-one-len] of myself]5 k3 K8 r& y, ~
[' m; c* q# T- \
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) 9 Y5 [" |% J; F+ M r9 u
set k (k + 1)- ?, X. d: t, W
]+ D3 ^# \: m8 Y5 m9 [7 ?( g% {
set [local-reputation] of myself (local) j+ t* y$ L( ~" M. y" Q* }2 Q
end
2 }/ O8 [8 T; e7 J" @8 @0 @2 ]8 T$ v# t. Z
to update-neighbor-total$ X5 s1 G6 x y
- y. e! q* I& ]# \ Z7 D& Rif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]% v/ v0 Z/ I0 e2 m
9 ^4 S; t" F% k# C
) p# J7 s+ I# t1 x- kend
' ]% Y. J$ _5 w! [- u/ t7 T0 Y7 o1 H3 k" {/ S
to update-credibility-ijl
4 }. K4 P% Z' h+ R/ o) L# s8 g' j, D: M2 [; ]: p) V, c1 g1 i5 K9 [
;;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。4 g) _1 r+ O4 @5 a
let l 04 i9 V8 V* h I/ e- {4 H Y. @
while[ l < people ]; |% ^( G% N! ~) Y |2 ~6 A
;;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' ] I% d/ U! P8 `) R" a, i
[% g6 Y& @- f& ^$ x+ E
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
0 }3 |; x; _0 W% V- `2 Bif (trade-record-one-j-l-len > 3)
: D. R4 d" V* N4 j T; m[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
$ r& H8 k ^6 h! Q5 [, y) Y! wlet i 3
8 y( D8 t4 P z% y7 ylet sum-time 0/ C. H2 W- @2 v
while[i < trade-record-one-len]
7 W- v6 {9 z* c$ J0 O N0 |5 j[
! G7 |+ m) o* N, e) C- q. Pset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )$ C% B2 G6 K2 L7 q& I) J. V
set i
# _1 w# R8 g: D( i + 1)
' L, b1 k9 m0 a: A" s A2 k]
* i N1 I3 y) G3 e3 elet credibility-i-j-l 0
* h- I/ l; q+ S; W;;i评价(j对jl的评价)
, x* m8 J( J4 _ a; i; a) llet j 3+ N& E2 @ U: w
let k 4; z; Y4 Z' Q/ z6 t
while[j < trade-record-one-len] v2 y' g% d" S7 X/ d7 v
[
! n% n, E. }( V% ]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! [$ ^$ w" o+ S0 F( p/ S
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)
! q; J% @3 ^# yset j
! t$ C& s& P0 t- V0 e/ I: t0 `$ v5 ]( j + 1)
" g- o! E/ z8 W3 u- V3 H! p* }% F* b, V]
0 s) u" N0 ]4 c* v5 Y9 Qset [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 ))# ]! T7 U/ H3 J$ y
1 V3 x0 `/ X' F9 J. b. y; D1 i8 E! h7 g
! ~ I# x# p9 N8 ?1 y' H7 v. S
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))+ S) y- k4 ~: f- m7 t
;;及时更新i对l的评价质量的评价, I2 y# ?6 i) {
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
) _& Z% C: I. nset l (l + 1)' [, @! Z$ l. B9 t
]5 ]. u, U) U h5 A$ K: i+ Y% |
end
/ d% X1 \; a/ k$ y7 R
! j/ Z/ w% h0 L$ b7 I* \" Fto update-credibility-list4 H" I3 k: y' s/ h# d
let i 0
/ P5 d; [+ D% p( `) ^8 pwhile[i < people], R6 @0 w" i$ u, a1 F# }
[0 S3 Q0 N7 B% D7 O4 U+ ~ F
let j 00 j; _/ _3 p% U+ r9 K
let note 0
' f+ N4 F; j9 n+ |' Alet k 0
' F3 B0 h+ u( T: Q5 C, {) ^;;计作出过评价的邻居节点的数目
' o# i/ z2 q# a& E5 c! Lwhile[j < people]
+ d9 V& f2 |3 f( n( |1 z( l% C[" ]4 Q+ L, O% V7 H
if (item j( [credibility] of turtle (i + 1)) != -1), m) l; ~2 R2 h' B* q( e
;;判断是否给本turtle的评价质量做出过评价的节点2 o# R# M- A# w+ n/ ]
[set note (note + item j ([credibility]of turtle (i + 1)))
; C- m8 }+ A& V' m0 o1 c9 h9 t;;*(exp (-(people - 2)))/(people - 2))]
5 }( |8 `7 j3 W9 n& v. X e2 N" Kset k (k + 1)8 x t/ n5 Y/ e7 z
]0 r7 |$ a3 L$ r; Q
set j (j + 1)% [, @6 ~* j, y# F# \$ n
]4 t7 z8 o; O$ c- d2 I1 a
set note (note *(exp (- (1 / k)))/ k); { ^6 I. I' J: M! K1 d$ S2 w/ y
set credibility-list (replace-item i credibility-list note)
7 W2 P% ?$ [3 Z' [" g" Bset i (i + 1)% B r3 Q7 ] \
]
1 B- K3 F* h, t, V% O# r4 t) K5 a# Iend( ^1 G2 U" |- _* E. G5 L
, Q* Z, Z- n) cto update-global-reputation-list
9 o. n' K( f, m1 j( alet j 0: f3 ~ _. E2 u3 e/ t3 n$ }* E; O
while[j < people]& y/ s- R% [% W2 _0 L
[) ]# \, y* `9 i/ t5 q
let new 0
7 b+ F2 D' ?/ j" O+ d- J. P: t1 k;;暂存新的一个全局声誉
5 f% Z4 b5 @* X! Y# d6 Alet i 0
) j; g( `8 a; a; G. h7 dlet sum-money 0' v) @4 F2 w9 ]9 L( _6 y) v
let credibility-money 0
K8 |3 _& M- \3 d& Rwhile [i < people]
9 Q, \$ X1 ^7 ^& `! G' X+ _[8 s* u( H; G" D0 v6 L
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))8 \- t) M5 _ N5 F: Q8 F
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))4 J- M6 Z0 X4 D, R7 P
set i (i + 1)) O0 B r& J) d
]
6 q8 ?/ U8 T9 e8 @. T. d7 x: b7 klet k 0! Q) N E) r8 t6 B& x4 `7 I l
let new1 0( i- l" I* A v
while [k < people]
2 u. I+ } X, E* Y% E[
) C1 J. g- j; U9 s4 V/ Q1 P& ~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)) N4 q0 H q! x K5 P6 h
set k (k + 1)! ]9 T' m4 Q2 M9 R5 V5 h5 R' Z6 J
]- \2 T: [+ r8 W# E( s6 G7 M
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) " U& b) r, A* r9 T* u
set global-reputation-list (replace-item j global-reputation-list new); l. y( N( @6 T* C" |4 t+ Z: |1 s
set j (j + 1). Y7 h1 y# [- I# G
] q* `* `1 x2 p9 w
end; W( C: Z2 S( s: _* z
5 ]( [5 M- X1 ^0 v1 e
+ g$ t0 n$ N0 w( v3 i% ^7 ]0 ^: C/ z' o
to get-color, J) j2 j# x6 i1 L3 x8 ~! n
6 ~/ i1 E4 K- u6 \" s; X; jset color blue
& F" ]% b# l; a3 f$ zend% ^2 p. @8 O8 t; a3 P
0 B/ q) z9 F1 f( {/ t
to poll-class
, r" O" Y$ A2 w- T: Dend
7 ^% z7 `* k. B* D# R9 W4 A! B) P. z/ ]- {% N, y" R9 i2 Y: {% R4 @1 S
to setup-plot1, b2 S* t* g2 F0 N
: S w0 u6 s; v4 b% }. I& m
set-current-plot "Trends-of-Local-reputation"
8 c2 N, O7 d4 E# F6 W! ~3 Q
% h5 v8 ^& }* a4 Y& ^1 d8 F- rset-plot-x-range 0 xmax
1 G3 n- U' z8 `8 S* W4 O: P8 G& h y0 _, F& M( d
set-plot-y-range 0.0 ymax
! P, N; G5 j2 I- Uend
8 }( _( \/ T; r7 o1 A, }
4 z; J/ V7 F+ @0 [, K" i' W+ Tto setup-plot2
! d# `+ m. R8 g1 J9 t6 @
- \# M& a4 A. J. cset-current-plot "Trends-of-global-reputation"
i- C5 {' U% M$ N* N
/ g# _# ^5 b9 j# @7 ]/ Oset-plot-x-range 0 xmax
, m/ n" W( _* d1 S
$ R2 }6 }9 U* P) Z/ C2 Xset-plot-y-range 0.0 ymax
2 {9 p# {& Y( n6 u6 _6 \& Y% s4 {end$ f3 t, `3 H# {$ K
$ M; n# Y# u+ m& m0 T
to setup-plot3. G5 i- F8 F b9 h9 f* |+ q' a' y
( n, o2 U6 x/ ^9 b# wset-current-plot "Trends-of-credibility"% S) C4 u1 A7 h8 ^ f7 G
9 a" C" s% U: w. f$ f% L4 \
set-plot-x-range 0 xmax
/ D4 x# |# i6 F ?' [0 [) F$ A. h) { l6 }
set-plot-y-range 0.0 ymax
! r+ n/ J5 g, }! Eend; P) }) t+ {( ?) v
* k# x4 B' p, z0 q7 @
to do-plots" B! V H) m+ j' \5 @" O
set-current-plot "Trends-of-Local-reputation"
# R8 G% E; z( m& p" X$ h" tset-current-plot-pen "Honest service"
% V) o1 m: S4 ?! A% s2 T6 ?* D- X4 Uend/ [% p: g- s5 |1 J" I5 t
- G+ B* E# V9 X" X$ Z. g& Y[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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