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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
( Z% k6 |- B# S, u* ~8 E5 jglobals[
. B: W) N( y% Y8 T$ Fxmax6 h) X+ R2 c/ t( x) [ Q
ymax* P9 `2 z: c' G$ j8 ?
global-reputation-list
- |5 G# l. ^# u$ z* B, Y9 m9 P5 E/ k$ T+ _7 U3 \+ _4 L$ Y
;;每一个turtle的全局声誉都存在此LIST中$ ?. n# T, T' U# m3 N* @
credibility-list" f9 G2 \: b6 o2 \
;;每一个turtle的评价可信度. M, r& o' b6 {7 q; c, j
honest-service$ j: J' r: w4 R2 c
unhonest-service! I n3 u- s8 R3 X8 v$ `) f
oscillation
/ W: b ?4 N% n' x, \rand-dynamic
. M/ V! V/ i$ W% \3 E) V]' z: B# C$ [, O" p
6 L- G/ l+ |; N/ }5 o2 G+ g7 S% pturtles-own[8 }+ n) k9 E( b* v4 u2 l
trade-record-all
5 N- h1 C1 _' F! x, R;;a list of lists,由trade-record-one组成
* P2 a8 k$ v+ x; r; ~, Ptrade-record-one
+ K4 H+ X. k% d7 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
8 Q, a& [2 Y2 ~! L2 ?* X6 z4 v* k' ?8 o
;;[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]]- o, ~8 Q" j! L) H' x% F! K8 u
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]4 b2 c4 n% K, C; G3 Z
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
& |. {5 h% T* B8 \7 o$ Sneighbor-total; k- G, |1 A- x. c e A$ z6 m+ j
;;记录该turtle的邻居节点的数目
/ j; o" E; D8 F8 a. A$ B6 Ftrade-time- [: B7 a) l# y. P$ }
;;当前发生交易的turtle的交易时间
3 p+ U9 `. S1 Q, r) `( q( ]# Vappraise-give
, h9 w: N1 Z% i/ ?% B6 D;;当前发生交易时给出的评价
7 w$ e. `9 q$ i+ ]& {* X9 l Z: A* ?appraise-receive& ]3 S9 b8 t( y: D, y, J/ s1 a
;;当前发生交易时收到的评价# _2 F G; b' H' D$ f! } w2 z3 D, m+ Z2 m1 B
appraise-time4 v. d/ N2 Y5 P$ s& e, V1 ]
;;当前发生交易时的评价时间
$ G. e9 e, B+ @* i6 i/ @local-reputation-now;;此次交易后相对于对方turtle的局部声誉* W& i" \0 T5 z" Y
trade-times-total
) e# `# k B* x( W7 c;;与当前turtle的交易总次数( _' N, y; [. a0 d
trade-money-total, f5 ? }1 w* V9 x3 M$ }
;;与当前turtle的交易总金额/ }' N: j$ B% j- @: H3 _1 e- o
local-reputation9 T4 ^: k+ G% K9 {; t% a# _0 R
global-reputation5 M$ o. ^# l/ v# u. R3 i; W
credibility1 y% {) g2 ^, o# O5 u+ o: J
;;评价可信度,每次交易后都需要更新1 K0 c$ M4 g& }6 B
credibility-all$ ~1 a+ _( M: h6 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' Y5 ^. u% \. \7 n
& c) k% e" P6 [5 ]9 [;;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+ c5 _( F8 y6 e
credibility-one( V) T8 o1 g8 T# y) e# S
;;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
S% h1 `& v3 e: w Jglobal-proportion1 w6 a4 q6 W+ o1 v( U r
customer( r1 ?; D# P6 G# p. q+ \$ e$ ~8 V
customer-no2 [- q- X0 e& ], I# l; k) k
trust-ok
' u" s& W2 q q8 I! Y1 F5 c$ Atrade-record-one-len;;trade-record-one的长度0 r: Y6 {) p4 F* ^/ b$ |8 w% W
]/ S5 C4 q& G- s8 V1 K
, w/ z: [ q. g _;;setup procedure$ q$ q3 k2 [& H7 T/ W
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to setup4 S1 I: S& S4 N( R8 j, N+ {5 x
, z. f' X% l9 d; x( l7 oca
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7 V& N0 v1 W* |8 Y0 A$ Z6 o7 _initialize-settings
+ B% O1 O) h3 c" B9 W" [0 j+ ~8 ]" R* B1 L
crt people [setup-turtles]
& f y7 U$ S9 ~9 o9 M* r: J0 _" ~
, c3 Z+ ]: u( `/ Ereset-timer
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poll-class0 e* @5 a, ]+ F6 ^5 q- Q
) A! \( D, a: [4 V9 w/ N9 C zsetup-plots m; y8 C8 }& O; S
( F; |, ~4 a% K8 {/ t
do-plots! @' g. Z1 S- E9 X: l A
end. P% q1 p- y6 E4 ^
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to initialize-settings+ N$ V1 I6 a6 S8 w8 f& c" ^% u5 Q
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set global-reputation-list []
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set credibility-list n-values people [0.5]! A3 @% J2 A% x, ]
% ?. m: M' o9 G' B" R
set honest-service 0
, p* \, d! I5 @
& `! X$ c6 J8 b0 |/ ^set unhonest-service 0
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# T' m8 Y1 u B( p3 d0 G) mset oscillation 0
5 g y! c4 N1 _0 R; g- x
) m7 F) g W# ~7 A+ g# Uset rand-dynamic 0' W" i* L6 L* u+ Y) S
end
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) r2 v% @8 Y6 P, X: P; p, H1 Dto setup-turtles
! ?" i* v' h4 j- O+ Q+ r- v% Fset shape "person"" S# P; G1 w+ f/ X4 a
setxy random-xcor random-ycor
8 z+ y4 p. u( `, d8 W2 pset trade-record-one []
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set trade-record-all n-values people [(list (? + 1) 0 0)] 3 X$ c: {1 G5 f. S% c
( ]! w0 M0 P1 z6 k& J. Lset trade-record-current [], T" X4 ?6 B/ J' B, o
set credibility-receive []
1 l& F* B' D7 d6 ~8 |9 Dset local-reputation 0.55 X0 f5 `" _$ H! a4 g, T
set neighbor-total 0
d$ a. D6 U$ [+ k: }& D% z5 Jset trade-times-total 0
8 x0 m1 P+ G0 `, U ?: \' y; pset trade-money-total 0/ {, W5 Z4 P, ]9 V: U0 o
set customer nobody9 P( ]! H- p3 M+ Q
set credibility-all n-values people [creat-credibility]
! e' t; G5 Q3 M$ f1 b3 S- d- P: c* }set credibility n-values people [-1]% p8 l o' ]+ h8 _, ^1 M
get-color
: O1 r5 H2 ]1 k0 V
- E2 b1 c+ W; z5 y' N8 yend5 {1 ^: A" e: r* r( C( Z' G
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to-report creat-credibility
& J/ G6 Q+ k% ^9 q6 t) d0 X0 H$ ~, Dreport n-values people [0.5]
$ [6 P: {2 F( n1 n& aend0 p# c: m/ q( X# `( p# b
* C& N5 e6 M) D6 U* @8 Z) ato setup-plots$ F7 u( t, V1 L0 |; j" `( ~) `) p
" ^1 A- W" o! J9 pset xmax 30* v! {1 |6 g/ t; F I B4 Q. c' }- E
. F" ~0 Z4 l! G" p, }# J. qset ymax 1.04 j1 F: s+ n+ i5 z1 G
+ V8 i$ A0 S7 P, ~+ d8 ~clear-all-plots1 E+ a. v$ g e7 ]4 x
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setup-plot1; H4 \2 B- i, s/ M1 d
4 O5 O# H2 |) m
setup-plot2
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% Y" i: {) w+ L! h4 `setup-plot3
/ M0 a2 O. `& S7 }5 Xend
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;;run time procedures
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to go
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5 W& y' ?. g; m4 ]1 i* {ask turtles [do-business]2 H2 K- w) o- H% A
end
+ ]/ y+ F w. {2 M! x: L
1 {0 M" C* ?5 d K! oto do-business
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rt random 360
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fd 1
4 x' R9 Y. Q9 J- E0 X( W
6 m8 r% k# p# M' I. ~7 y! Jifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here
+ {2 k2 C& S! v. s8 A% `. b4 a
3 u J- ], ]" |1 B: y# P;; set [customer] of customer myself$ `7 [% i) ^# M: d# [% v' m6 k
5 J9 ?% @. }) U
set [trade-record-one] of self item (([who] of customer) - 1)+ P& G+ h8 Y0 j
[trade-record-all]of self# ~; U- p* r+ R# A! ^9 X# o
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
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set [trade-record-one] of customer item (([who] of self) - 1)' g7 h: f/ t4 _* m
[trade-record-all]of customer
' \1 b. u- V' B6 z2 D2 n$ I) b8 c* p) s4 Y8 k7 J2 b0 d3 {
set [trade-record-one-len] of self length [trade-record-one] of self
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/ C6 ]6 c) W$ _9 Uset trade-record-current( list (timer) (random money-upper-limit))- a& M8 P" [; q. o+ p
9 v' {$ J/ E% n, d6 ?, f
ask self [do-trust]
. W* V; j( x* ~! `: w( b;;先求i对j的信任度
. `" J; h0 _! m
" l2 q- Z) N+ F; M; B- [0 Fif ([trust-ok] of self)
6 C* d4 x, O9 f;;根据i对j的信任度来决定是否与j进行交易[
* d5 }2 k3 T, z+ ~ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself! a' ~+ _5 c7 T2 ]7 W
2 G7 G1 X$ S9 ?1 M! [/ v% z g[
3 m9 a8 G/ ]& M; V5 \2 r" n. l, W9 h* P& `( o4 ^
do-trade' O4 w$ \' k0 O2 t3 m9 R/ `
# w7 L- x% f ]4 A
update-credibility-ijl! k4 v% O" M+ l! H
- a4 z! C5 E0 Z4 c
update-credibility-list* L6 x" t! q4 m$ }) S9 x
* r0 ^' A3 i- c) ?! w8 f* P& Z1 l0 D: i% W. J0 H
update-global-reputation-list2 i8 [+ g" N+ V4 @# ?
! A; G+ L% [* a* ?, c8 a8 jpoll-class8 u' w5 [( W, S% f E/ r0 P" ~2 I
6 _ ?! k- t& r0 {; x& @% Y
get-color; d3 Q2 [! I5 @1 p" t) `
* z: N& y* _9 b; q# o7 a]]+ m* z+ N. b q7 s
/ ? z% q7 u8 `4 V;;如果所得的信任度满足条件,则进行交易1 K9 Y/ h" R: V6 k: C* U
) e3 O, ~. R8 C9 H" y' t6 L[8 f0 o4 {; F4 Y& o- H8 @6 Q
/ m, c, A7 ]$ z3 Frt random 360
. A4 S+ Q) ^- j" E
9 Q* Y# X9 k! G6 T0 R4 Tfd 1
& h! F2 Q8 U$ ]( n5 e8 C6 P; {, V5 a9 w7 z+ w
]# y$ Y" W$ [+ @8 Y! B" ~7 q e! E
, I" a. j7 L1 k4 y# V+ j' c8 T/ s
end' b6 ?8 V# L5 V. T* c9 C
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to do-trust 9 c% R" a( K, ^" G3 N
set trust-ok False/ [6 I5 w' o7 i) E
8 A) J( ]% Y; O* P* {
: b6 b# X/ v0 [; D6 Q* H6 f' S6 C plet max-trade-times 0
0 N' j/ r `# j% L1 cforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
! x# }* ^& Z* k [; n s3 qlet max-trade-money 0
0 k1 Q8 t- L- w& a7 ]foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
0 v; [5 |& g& [! ylet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))$ [8 d1 M D8 ? O
! L5 o1 N% h: {5 V& ^' Y, K
0 [# T4 }5 h: F$ Yget-global-proportion7 m1 N+ {* S J: X
let trust-value+ H) T# r" |" H. i
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)* W' \0 M$ N& Y7 k- [! d& {
if(trust-value > trade-trust-value)
7 f- O5 M( S! }0 e& ^[set trust-ok true]
+ }5 {6 K: ?7 v9 f) Y8 ^/ _ S9 eend
. Z) t+ q9 T# |7 |7 T' A: ^! w" p) F( h' g6 l ?
to get-global-proportion+ A4 J* E- w& K" _0 e$ T7 Z2 d
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3) U; |* ?& u6 n2 a* M9 o! r
[set global-proportion 0]) u9 u9 i$ J, Q1 o7 q9 k
[let i 07 L, @% p3 `, ]" h
let sum-money 0
+ }* ~6 x% ^$ P2 l9 Y7 bwhile[ i < people]
7 `7 N1 s- |1 e- S+ ]6 Q[
/ f' o& I" {# Y) B2 J7 z7 m# Nif( length (item i) `3 {6 ]3 h" b, I
[trade-record-all] of customer) > 3 )3 R J( o; k1 N0 v# V! v
[
W7 k& n* u7 k* }6 ^set sum-money (sum-money + item 2(item i [trade-record-all] of myself))4 B6 W& r# _. J" O$ U0 O! ]+ ?( W3 g
]
4 Y7 a' u; U8 [( y! \, `! d" S& E]# i9 V( [" m3 ?
let j 03 {4 {' z f, s0 S- r5 P
let note 0; _+ y \- ~3 D0 z+ _1 J7 s% _
while[ j < people]
5 j. r1 A4 S' U1 F" c( D1 D) \. \& N[
$ t& {" }1 z% D$ rif( length (item i% j$ ^6 Q. {5 E9 @
[trade-record-all] of customer) > 3 ), W4 @4 \) [$ l/ ^. j
[" D3 h _ H# x! g1 n/ Q9 s
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)9 ?5 z8 f0 R* i* N, H C" a
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
; D; r; d8 L4 P d[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]6 {. C3 A, s) A- ?8 c4 Z
]
4 \% C' w1 J3 Z& b: b: z' c]0 e6 V$ X2 ~6 e+ R( R" p4 ^3 ~
set global-proportion note
2 y; U3 [2 Q4 u]
- a/ x7 t- g8 \# r/ Gend
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; }( l" L6 k% `1 O$ Z, jto do-trade
+ o3 T( \, b; G: G- ]6 M# Q' p;;这个过程实际上是给双方作出评价的过程# } R2 f" d: }/ q/ ]; x' |# G, c E
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
: i/ m( b) V/ y) o' Mset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
9 R% O3 r+ e: l e2 eset trade-record-current lput(timer) trade-record-current
1 z! b+ B: n6 A+ e9 |;;评价时间
1 w5 N* Y* U9 U0 ?' p' hask myself [0 G+ W' ]; K# P% N
update-local-reputation
j0 S; `; s& {' t. s. w, yset trade-record-current lput([local-reputation] of myself) trade-record-current
, U( a: |- I, G2 S9 G]2 Z6 T$ V& ~ D) T( R; A
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
: l% S9 A4 f* g4 U* L;;将此次交易的记录加入到trade-record-one中
' P0 D5 S1 b# C+ i- p! jset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)+ ^ e$ p+ s# P9 O, S, k% m0 O
let note (item 2 trade-record-current )1 E% f- I7 u3 N7 G7 l3 G( S" G5 I
set trade-record-current
. M% w1 M" ?1 F0 W! i e(replace-item 2 trade-record-current (item 3 trade-record-current))
. x3 U0 a+ r! _: v. Dset trade-record-current
* q4 {3 u! N7 E: c: `: }% G(replace-item 3 trade-record-current note)9 I. `# n0 r* u* b: g% x" ^( V: }
1 E! r1 B8 I; Q& H; |) m* C
9 r: Y. _5 m/ S/ xask customer [
" B4 l" z2 ~+ g- `; f0 jupdate-local-reputation9 J3 Q0 m- t% m/ q
set trade-record-current. h3 _1 Q" }1 E5 m- ]
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) + D% B1 H% B3 E1 ?$ D: t
]3 b8 F+ l& o( v6 A: b
0 X3 U) G3 \' U' j* ^' D9 `. y8 `& i8 C3 ~/ ^. e5 Q. W# V) h" [
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
- V; U/ F; v& B7 Y
$ L I0 u# v D, s0 F9 @9 u- Oset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))1 {, y2 z) V4 D( q
;;将此次交易的记录加入到customer的trade-record-all中
9 h s$ n% W- l" t' d' [" dend
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to update-local-reputation/ _$ T2 B3 B. v4 p5 v6 }" ~7 Y+ k
set [trade-record-one-len] of myself length [trade-record-one] of myself2 D1 T8 \# d7 g' q" H7 @' W
2 I3 n, v0 z% @4 s3 d+ z
+ v% i% ?3 D! r
;;if [trade-record-one-len] of myself > 3
q, H- _4 J" A0 Z% Z: k/ Gupdate-neighbor-total
1 u8 h4 n' i6 ~;;更新邻居节点的数目,在此进行
. ]9 G2 i& h/ Y- U$ { p0 m! [5 Hlet i 3
: S. g( I' h! S2 l( glet sum-time 0. ~0 j- R% t6 F' A+ d
while[i < [trade-record-one-len] of myself]& Y5 \1 F, m0 m5 o+ C1 h
[
5 j T: V# i8 O- b8 q7 n9 Vset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ). e$ p0 s9 z! o; R
set i
: A1 f" I: B' ]' w! i# w6 R" A( i + 1)
6 `) O8 }: G! T: b6 M2 @. ^]" s- C' ]! R4 g }: o5 R) f$ B
let j 3
4 {5 s3 |) n9 e9 ~let sum-money 0
) T3 v# H6 s% h& K# z1 h+ mwhile[j < [trade-record-one-len] of myself]4 i( |& g- C- X: }9 H& R2 K
[, _. W4 I* x2 ]) \$ _- x
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)
: i) G; Q) }( E& {set j
& G# U$ B# w- X( ~5 z) d( j + 1)
/ }5 N9 K/ T* _]
% P, `+ T7 y. E- ^! p! S) v9 Vlet k 3
9 X! ?( a: g. Plet power 0- [- Y, Y J: O& c
let local 0
# G! h! }5 r/ c: s+ @0 ywhile [k <[trade-record-one-len] of myself]
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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) 4 H% u, Q/ D" J1 q& A) z9 E
set k (k + 1)
- V" k, e! }( ]8 q- F! ?]; F' d% q0 E* y9 L
set [local-reputation] of myself (local)
6 F: V# C1 C( U% {4 y E. Vend
6 v3 b5 B* L/ W. P; r
; h$ N8 Z: E7 p# Q2 Fto update-neighbor-total. ~' @* u& g* M/ L
8 b6 r; V! ~$ s/ `$ m# y. a
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
4 y+ M: z( B5 R4 J/ ]" M q
3 I( v9 V5 A" f5 A* J& n
" y7 w) N' M3 @4 P0 kend
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to update-credibility-ijl
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8 ~7 n& ]$ J2 n8 F% d;;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。1 a5 G4 f3 W- b% B8 g* K4 E; e5 R3 n
let l 0
/ Y. _' y- K& c6 z/ m' a+ `6 Mwhile[ l < people ]" E4 [! C) O2 n& g4 Y ^
;;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3 ?7 A+ c( C& t2 Q( h( c
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
2 S& f# R: M4 X8 [) o" f6 h7 F5 Iif (trade-record-one-j-l-len > 3)
; ^( k/ H! \' Y+ J; u[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! \4 h' Z+ X- b: h$ K
let i 3( q9 _5 }. b0 Q
let sum-time 0
9 _. U9 v. z8 qwhile[i < trade-record-one-len]; k( E/ `6 ]+ s- I0 {0 ~* W- @3 F8 z
[2 [2 y$ M( k) x9 O
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )0 j1 i" l$ o9 d9 g/ Q$ z
set i8 x8 L9 ?: g2 |3 Q$ m( I
( i + 1)
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3 D8 N0 {9 N: g) e/ clet credibility-i-j-l 08 P: } S4 ?- c g: @
;;i评价(j对jl的评价)
! y( N9 f) _5 }0 j: P$ Qlet j 3/ z0 G9 X. E- l6 j
let k 4
. o4 ~2 M( L; U1 @" o! _6 V$ C9 Rwhile[j < trade-record-one-len]6 `1 Q# l1 v! ~
[7 _3 v6 G* E2 Z; p- ?, Z, f$ S4 |- u
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; P# C0 [7 P- z( G
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)
( O4 P H9 ?+ k" i+ `1 N0 dset j- A; A4 u5 {& P+ j+ d/ l
( j + 1)+ D6 P! n1 Q" L2 @& F7 n6 L' V h
]
8 Z( B* D' P$ W$ wset [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 ))0 z. K% |- a% m4 J" r
6 ^0 I& L8 @1 S) e6 H
8 s# `& t1 Q, X% R1 Wlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
% c5 `2 {/ P( K1 P* @) I;;及时更新i对l的评价质量的评价
: J4 M/ o$ J% j: Y: Fset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]+ t; H! [1 H6 M+ }2 H5 t4 S
set l (l + 1)
+ d. l+ I) @" B! @6 b+ E' i]
7 ?3 x& f% }$ A6 E+ s9 O5 ?, Y/ i! send
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to update-credibility-list
8 }# z2 c' N. L s0 Ulet i 0; q* N# m. `% X$ n. i
while[i < people]
& K% d# P! U( e[' `; H h, c4 H3 ~7 {8 n
let j 0( ]7 Y- T9 m O+ \
let note 0
7 |/ m4 m4 H" N7 ~5 z2 ?let k 0
6 g3 i2 D3 r" X: d, r) _! W5 K;;计作出过评价的邻居节点的数目& ^/ y9 s; p2 F% v2 u. N m t( o
while[j < people]
r8 j, j- J$ ^1 x$ p( S& M, k[+ i7 R$ \+ p) M0 }* z# o
if (item j( [credibility] of turtle (i + 1)) != -1)
0 n6 n3 c4 V4 X3 m9 m w2 z;;判断是否给本turtle的评价质量做出过评价的节点
" [) V" D h3 B$ r[set note (note + item j ([credibility]of turtle (i + 1)))
. O! f; C/ k/ p1 D8 P;;*(exp (-(people - 2)))/(people - 2))]
* a2 z; \9 N" h) Q: u2 fset k (k + 1)1 ~2 A+ }3 B% v/ s4 u1 w" x" ?
]! d9 O2 a: j2 B% g. n+ _( N0 @5 T0 \
set j (j + 1)
& S: Q! x5 k+ T& ~- ^, F2 {]2 y8 J! c8 j3 w: Z
set note (note *(exp (- (1 / k)))/ k)
1 R- J5 q/ |% sset credibility-list (replace-item i credibility-list note)
P1 @# w/ h7 A" y3 w' f5 p. F9 `% Cset i (i + 1), Z1 U( r1 Q, t1 L
]
$ t7 r, _4 U' I( W# H' e. Bend- L9 V4 U) l7 t
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to update-global-reputation-list
. \% O6 S+ X% i. nlet j 0/ K/ | M3 ^0 D+ ^) J! w {+ s
while[j < people]
% ]- R/ ~* `& u- L; H& V[
/ e5 }, F/ k+ G x6 dlet new 0
: }! o T+ e) s ~( v+ U. h6 Y8 I;;暂存新的一个全局声誉
! n: U! ?& I1 O' K# S: s' E/ Ulet i 01 C+ A8 W5 ?. s! s) v
let sum-money 0) o+ ?1 n: v0 @) [3 X3 V+ {
let credibility-money 0
7 d& f, `' f) L7 F% | Fwhile [i < people]# H5 r. i2 q, \) U+ G$ K
[
4 E% n _& t+ U. j& w7 l6 U: N3 zset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))' U' n5 t) H9 r# C1 n- c
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))& r$ t3 k" |( Q
set i (i + 1)
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) A* q- ?# |6 O* E. g; Ylet k 01 Y6 \4 q, Q6 v/ E/ F' }+ b0 `
let new1 0
+ E5 D' ?7 q! X) R. Hwhile [k < people]9 O0 g) l( l) s5 s: ? y+ @5 y
[
4 {- m0 ^2 t$ V3 p$ z+ K) U; m8 Jset 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)0 F* S5 }. t7 R5 ~
set k (k + 1)0 c0 ?' @2 X! m* s5 q
]" Q& P8 U6 y5 m @
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
! B' j" k: q8 f/ G9 Oset global-reputation-list (replace-item j global-reputation-list new)
% n* l4 ?$ R# Gset j (j + 1)2 z' H/ ~# }# a# J [
]
8 Z) {% R+ T1 T' h- Eend
8 s# ]; G) f, j' [1 F6 T+ S" l; N @& Y/ [
4 w* e n9 M+ C9 Z
/ S7 j' L4 ~/ M4 E4 A/ F' A2 Hto get-color% a- I& _& C$ t0 R, [4 l
+ W, X6 J; s' n3 F* x& ^ Y: vset color blue
9 W) y% K) i) r/ C6 Q9 v+ Vend: r7 S6 p4 t$ p: E1 p+ v
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to poll-class
% n9 L. P) U+ Q: yend
2 m2 A! i" K+ y- Q: s/ g- Z; [
7 w( } v( x9 E% M1 ~to setup-plot17 [& e) }) K% C9 U; w2 p
* S5 V$ L' _3 u1 C1 a9 e# u c( U
set-current-plot "Trends-of-Local-reputation"& [* O2 B+ s$ o5 [6 H
+ i+ g* G# t, [! R5 N) M6 cset-plot-x-range 0 xmax- D6 G- Z! P% H1 D9 L
' J' P1 \6 S! e) L3 Y! n
set-plot-y-range 0.0 ymax
, [1 W( Z9 ?6 bend
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2 r/ w* r% x% g% M) G6 b* c' rto setup-plot22 d9 [4 c9 B4 L: Y9 F
1 H) X7 e4 U" c: M
set-current-plot "Trends-of-global-reputation"
) U. \7 u N" Q7 B8 ~/ U2 H
" h x9 K/ E% c% D" ]1 D+ _* ?2 aset-plot-x-range 0 xmax) T8 A! o/ }2 D5 R7 S
* ?7 g" `4 P' E0 K8 H/ Oset-plot-y-range 0.0 ymax$ J& N: `4 Z0 }# G' E. k
end
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to setup-plot3
8 ?. {: b% @% u! w- a$ c
6 U4 ^2 |. J9 o2 U2 aset-current-plot "Trends-of-credibility"- d' e- b+ v! T7 D9 T
1 }3 o+ S1 }! y! M
set-plot-x-range 0 xmax) p1 o+ q* B9 ^) a/ [, Y
) S8 E3 e1 z9 L' Z1 _/ X* i; B
set-plot-y-range 0.0 ymax
! \8 Q w! H( }. N' z% C: ]: D" R2 Dend
4 g! g5 G" H4 ?5 J0 z4 ~$ z
! I/ {: l: \. d. b& }8 Ito do-plots8 i. m9 f' K L8 o2 q5 L% U
set-current-plot "Trends-of-Local-reputation"
; I+ n/ T3 |& }7 D9 v- M* N$ `set-current-plot-pen "Honest service"' t; T0 e( ]% N5 L: j
end
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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