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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. \6 D9 R' Y$ k: M
globals[8 B7 b& T3 O9 J! B& V) N
xmax
% K4 L/ P* n7 J7 n [+ Lymax% W0 t, ^' f4 a: p% H1 m
global-reputation-list
, d3 N3 E# @4 Y9 E4 `( A1 i4 x, n! x1 v l' e v; O
;;每一个turtle的全局声誉都存在此LIST中
% o8 @8 W' Q) L8 Z, Dcredibility-list
' F. D: n. T, J' W;;每一个turtle的评价可信度
- _4 X! K n; N7 t1 Mhonest-service- O( V8 s3 n! Y1 e0 v
unhonest-service
# |6 J) K8 A ?( G" A7 n* Woscillation- d7 q2 u9 t) d# k
rand-dynamic
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; |) ?; q( I8 H( A: E! `( m
; h: D5 a: y# P4 X7 L& {turtles-own[, x1 C% t$ u2 b- L
trade-record-all
4 f7 N' Q0 c. ? F% o- ^5 _ \;;a list of lists,由trade-record-one组成
+ { O, \: ]" F- W9 Htrade-record-one: d& ^+ C+ l% X$ U& V9 `
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
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! n' L0 d8 _/ d* K" ?/ U- A, f7 W;;[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]]2 D1 p. j$ O o) L6 f/ @
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]- K& n* Z. q* y7 p4 L5 J
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
; _- u# A0 ?, hneighbor-total% J2 X1 x7 U% @; i1 I. `, K
;;记录该turtle的邻居节点的数目+ B9 x1 s4 ~& _1 Q
trade-time
0 Q" ~+ `3 v6 ?;;当前发生交易的turtle的交易时间
: g2 W# \& X. _/ Vappraise-give- L$ v4 v0 ?* ~! ?
;;当前发生交易时给出的评价& a3 g/ u+ u$ `9 ]9 F g
appraise-receive
5 L5 c( s: q& p;;当前发生交易时收到的评价7 D' x5 Z. E2 L+ A
appraise-time
) J1 [# Y; ?2 R( Z8 g* ?. E8 N;;当前发生交易时的评价时间
7 i3 Z; w8 i! t* D- olocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
+ {# s/ f- C/ s6 z; Btrade-times-total
1 W0 u% y* z+ B5 F) R;;与当前turtle的交易总次数
7 o( ~9 j2 B1 I, \3 _# etrade-money-total5 v/ _5 g( t( `, }1 H
;;与当前turtle的交易总金额+ L7 G1 Y; |8 c" P& O8 p
local-reputation7 f& G9 r5 | l% [' i7 X" U, w
global-reputation- ]4 d1 Y% i5 N* B
credibility Y/ ?# l, Y6 g8 ^
;;评价可信度,每次交易后都需要更新. @+ {3 }2 I: I/ x5 L" k2 n
credibility-all
. {" b( A/ u5 z0 |;;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& S: x4 K2 o* Q0 {" S
6 [) e1 Y" p6 u8 t/ N: r" f;;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0.50 x+ Z, H- A; Y8 |' Y) F
credibility-one" b3 @, V" V0 V
;;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; W* ?( T; t0 L) y
global-proportion, g# V5 m% R! _$ J$ U! I
customer
0 I. y6 u/ X% v% u" mcustomer-no
, k" S- y9 f1 c% t% v0 S- Ptrust-ok& X: N9 \8 u- L p1 {( J
trade-record-one-len;;trade-record-one的长度
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+ X( b Z' `* b;;setup procedure
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to setup/ l5 E) |7 |- P7 Q& e( `% `6 V
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ca
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initialize-settings
" o# i. i0 [8 k3 {# i
8 s/ D8 U/ L8 t- ^crt people [setup-turtles]2 Q" P& X f! X7 M( ^5 ]! ?7 T) W
& [7 ]3 Q4 i9 z( I8 g: q) z/ d) _reset-timer) u5 O8 H4 A" h& J2 i
f) |6 P9 i* R4 q0 d
poll-class
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setup-plots+ v. k4 [' w0 ]- y& N- x
9 }+ _6 @. b/ c4 k0 O3 ^
do-plots9 q; K+ f2 ]# w: y8 D1 `
end' }, W/ y" M# O$ A' K, n! I6 D
( r* W3 g, K( \' {/ ]; t% r/ ?to initialize-settings
4 Y2 ^. E% S' p4 {
% g7 U2 S, A% z; v! b; G; qset global-reputation-list [], i5 I1 e. Z+ ?
- o* V! r4 z4 Q% D2 S0 j3 J! Gset credibility-list n-values people [0.5]& t* `. h/ U: A. P& z
: U4 A6 P* }, H- V8 fset honest-service 04 A, i% f! d" m9 O- e- n
: z- A, F- S! Gset unhonest-service 0) F( g# S8 m2 r
0 [) b u/ y& ?+ ~! s% X6 i' ~& V: b% Eset oscillation 0
9 ~2 ~! l3 G3 t( o8 S s/ M* M
7 f! U5 T# X- A# @) iset rand-dynamic 06 [- G7 H( K9 P* Q! k
end
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to setup-turtles
$ u" h, d& T/ F; ]& }* j+ _0 ~set shape "person"
. S% d' S7 j% j. f, f& Osetxy random-xcor random-ycor+ E0 p7 h6 b$ u, v
set trade-record-one []7 _/ r/ I3 {2 \+ H1 b. B
' w, ?% y- |0 h' f. F
set trade-record-all n-values people [(list (? + 1) 0 0)]
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0 y$ u6 }- Z. \: a1 [# Pset trade-record-current []0 k8 q; ~, d( ]6 n0 O6 l1 K
set credibility-receive []
0 J; h& d: K6 \3 I1 q7 Wset local-reputation 0.5 M2 s# y! ~2 ~
set neighbor-total 01 p; z, F# |& K& l3 e) j' A
set trade-times-total 0: E! w) y/ s. v. z5 M$ n
set trade-money-total 0: n+ E0 {6 t4 R
set customer nobody2 Z5 `& }3 v: z _' Q( R
set credibility-all n-values people [creat-credibility]
/ ^. U1 L8 L ^& Bset credibility n-values people [-1]% ~. u5 f/ `0 _& P* ]8 m
get-color
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to-report creat-credibility+ O7 v/ F+ j3 p2 G
report n-values people [0.5]
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2 @9 d8 |0 ~8 D6 w! W' T; g
to setup-plots
' J9 Y0 J% u' W) j$ @
! j' l8 ~1 T4 M7 b2 l/ ]2 c: xset xmax 30
1 ]9 ? A; ^( e. x2 Z0 n+ j" S
$ f5 {6 n. o' `! }% J# Bset ymax 1.0
% |8 f { z4 ?- }/ s: W2 s/ V* C# ^, W' N
clear-all-plots
6 C8 R4 L% T: c# A
2 a& _4 t# n7 e9 q8 zsetup-plot1
: a2 v4 N) l7 ]7 D$ E
! `& X. O6 y4 l; ~6 V$ i+ T1 R1 i& u0 J2 lsetup-plot2% n S8 L9 a0 ?' k. Y7 y
3 }5 x) v1 a9 e2 L! \
setup-plot34 H1 E1 m6 D h3 z' e7 G
end
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) l+ Z$ v4 t: V! n;;run time procedures
1 K: T `$ E, }2 T; O6 e# F- Q, x0 b, _; Q
to go
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/ F& M6 B R3 x& u4 J! kask turtles [do-business]0 h, T9 r- H2 S1 y, l# [5 b
end1 K, b0 d4 v# x- v7 r
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to do-business
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+ f& s3 Y5 L0 m5 D3 }
- D' `, T: m' N/ ~* e* mrt random 360
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fd 1
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2 f. z* \( A& `" z8 |$ _# p0 Sifelse(other turtles-here != nobody)[% x* C) S% a, \. Y& A" X
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set customer one-of other turtles-here
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;; set [customer] of customer myself
5 A6 _, x7 { i& B8 Q8 D" ]+ x7 }
set [trade-record-one] of self item (([who] of customer) - 1). |+ p- B- q/ K* H, l( k
[trade-record-all]of self* F$ c g. {: H. X2 i% |9 z: j
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
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( @ T1 l6 @2 q" K' h2 v6 lset [trade-record-one] of customer item (([who] of self) - 1)% m+ }( _8 H+ u+ l1 }- ~1 E7 _
[trade-record-all]of customer
B+ Q+ Q& u5 {+ g+ H
6 ^ C/ ]5 V% g. F6 [set [trade-record-one-len] of self length [trade-record-one] of self( n& V! [: v8 S& l& r. _
5 J2 M# F/ o+ t1 I. A% b0 g) v
set trade-record-current( list (timer) (random money-upper-limit))$ F7 n1 }; O' a" I! |
" W( ?+ T' t' u% }) Dask self [do-trust]' L; R0 D& \, v( \5 {7 A
;;先求i对j的信任度
8 w- R8 A. {6 H3 i. W n& S
/ o {( w+ H3 t0 d1 nif ([trust-ok] of self)
7 ]' T9 W: c6 }) e/ h% E;;根据i对j的信任度来决定是否与j进行交易[4 }: E! l+ u. |
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
0 u- n4 e' E0 O8 c& T$ E/ J" |5 ?0 u2 B9 s( ~# r, j+ N
[' ]3 f+ o* J$ J
) s7 {4 `0 T6 Vdo-trade
3 E; Q4 E! m$ O3 d% i& h+ P4 F S% C+ A0 q/ r: S
update-credibility-ijl' h( z" v9 n' ^) i# d3 W
# P9 L; M: I2 `! B
update-credibility-list) s" F2 k* ^' A- U' I( K6 }! X
4 f7 @! Z0 U6 W$ X d
1 z+ m" N2 l9 u6 m3 pupdate-global-reputation-list
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poll-class9 q) N2 \, {( l/ V% M5 i; c
, I* }5 l* t1 o1 ]6 e# Vget-color
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, m9 A9 D( e$ D2 H& h) _0 w( M; q: _& f]]/ G) l, \4 U: ~1 X8 [- b
: W- m# u f+ P;;如果所得的信任度满足条件,则进行交易/ {. r5 G) r! j2 k
% [' X) W. A, G, g
[. s; i$ J! O; R B* P
1 F) H& B, q; }. w& H) brt random 360( ~1 q6 C9 ~2 L3 u9 p( t
`) n6 I$ \/ ~+ c7 ~5 h4 Gfd 1
9 H$ F! Z7 V" h& x4 c4 e3 j
( c" \: p: e G5 q8 r y]: {0 h+ o0 f# Z4 d3 m
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end! L, } b( |8 z( W
6 m1 j A( {, O, e n& W% j6 I& gto do-trust $ V i- X) c+ e2 V+ _/ e r
set trust-ok False/ a3 v! i% n1 R, r
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let max-trade-times 0
1 E- x/ K% P0 |- D3 Qforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]5 v& F* r0 e: b! W4 w& F$ d8 b
let max-trade-money 0: V; t6 `4 c( \* C! @2 d P
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]* u: H: ^5 N1 Y) b ]
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))9 Y% n! l& q8 M2 ?+ x; I6 E; I
r# o- C. ^% x- C5 G4 g
: Y; W4 a+ F& `2 dget-global-proportion
/ e+ p- p# B6 alet trust-value& h1 h1 D, y& @$ V1 T# ]1 m' h
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)* F- u( t9 L9 ?- i5 H
if(trust-value > trade-trust-value)
; H3 p' B& E: r[set trust-ok true]
9 \8 b+ X+ Q; L E6 ^$ q$ Hend/ |+ F# K* `. ]
2 t) R+ E7 y# M: m! l1 S
to get-global-proportion/ q) t* q0 H8 v# P5 n0 r& L m
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)( H: S& l4 _/ a- M: g
[set global-proportion 0]- k$ |0 m. P3 p# H
[let i 0
! C. d+ k6 s0 E: M2 Y( I' o5 d, T2 llet sum-money 04 o) |. p3 C# o+ o" \7 {! J x
while[ i < people]3 B+ x2 R% e& `0 {5 z
[
) p& \0 Q8 K7 I( V3 Pif( length (item i! m2 r( Z. _; P# q
[trade-record-all] of customer) > 3 )
3 z' s8 d' b8 z% Z4 v4 O[' R' I( L# P8 z& s8 G- S8 m+ G
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))) e+ W2 _$ w7 z6 Q: x
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let j 0* N4 s9 i) H, z; n. m% j
let note 0
% ^8 F6 D# I, m6 T$ E8 @while[ j < people]
1 m. s) S1 n3 [[) d* _# ?, M1 d" ~" F
if( length (item i
* n0 y/ T. ?/ w4 S+ P7 v[trade-record-all] of customer) > 3 )* ~/ ^6 F' U% p. G8 |! Z& e6 n
[2 G+ A% P8 r. \' X) B& L2 q
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
' Q6 ?$ c+ ~ H0 b$ C* u9 j[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]& ~; O1 X, J G# J4 X
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
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1 j5 k r$ |, O! B! X]4 _% t) n" c7 f* Y# R7 v6 ~
set global-proportion note1 C2 h# C( Z' i9 F$ }( D& V1 f+ B
]' d3 M( Z7 _1 Z4 H# ~! X8 _
end8 U6 _2 w G4 t } B$ [
$ t: B* b& X* w8 T2 s- l
to do-trade# m; M9 h! z) v0 `) [! ~
;;这个过程实际上是给双方作出评价的过程
4 Z/ |6 v, c6 N3 B# Z2 lset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
5 z0 }7 M* Z% ]' G' a8 x6 ?. cset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
' ], ~2 z i" ^4 p# uset trade-record-current lput(timer) trade-record-current
5 C# U% r6 y0 d4 z;;评价时间 ^! T/ B9 \3 ~* E
ask myself [- X: S/ |6 A% L1 X0 {8 g' a _
update-local-reputation
1 ^" m& C; k8 G9 nset trade-record-current lput([local-reputation] of myself) trade-record-current
$ s9 \! I4 | Y: {5 g) K; M]
. J+ {& ?: O' k6 x# M9 Yset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself: w; z2 G& Y+ Q* p( G4 g
;;将此次交易的记录加入到trade-record-one中
/ x( H2 x* m$ W V& lset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself). Q* M# x E5 G* x6 F4 H8 U' O
let note (item 2 trade-record-current )& C/ u: r+ c z/ c, N
set trade-record-current$ Z, z0 s4 x3 I) i6 N
(replace-item 2 trade-record-current (item 3 trade-record-current))6 v7 E: ` d2 ]# e
set trade-record-current
' A! u" T W! b G(replace-item 3 trade-record-current note)
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9 ~$ D- B$ a$ L; v& ~8 ~ask customer [4 d7 f8 K( m+ h9 T
update-local-reputation
3 @. L- O' b( Y; yset trade-record-current
! i) m5 K* e; D. A+ z3 O& t(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
9 ]0 S: A9 s0 Q* ^]
+ j. _' i# T& h% K; L' s( ?- c& K' W3 f0 |9 Q8 @
5 @' T; ?6 u6 A* |
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer6 q. s) q- |% A2 E6 A6 r$ s3 ^! ]
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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))
/ G9 F \- H" O: t;;将此次交易的记录加入到customer的trade-record-all中* S1 R1 g/ Q) f- u
end
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to update-local-reputation
. r5 ^1 O9 O+ L9 w- V8 P6 eset [trade-record-one-len] of myself length [trade-record-one] of myself
, M0 k, _5 H/ ]
+ A# `% s+ e d. o7 x
. h/ H1 a" S+ N# h;;if [trade-record-one-len] of myself > 3 L. \ o1 Q! w; B; F. @ d) x
update-neighbor-total
/ [! I* x( \; J5 w' t! G( k# d: v;;更新邻居节点的数目,在此进行
$ Y) Z( f+ b4 c& W! F4 Elet i 3
; @4 b$ d6 F# F nlet sum-time 0
; i& K) @; v0 u7 r( i9 _while[i < [trade-record-one-len] of myself]
. P7 n( ?; _' {2 m4 ?+ e! }. ]" T; F[* q- R2 [3 o0 w: @* j5 C
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
" `' u9 C/ p6 W( U. [3 Q$ L1 \0 D, `" Cset i |3 _" E; y/ w+ {3 W
( i + 1)
$ S) O, U) k9 C) e5 s8 Q]
% c5 q/ ~ i& a! mlet j 3
6 b( G! T0 h! O$ q, l# @let sum-money 0
# `4 x' Y, _/ X- vwhile[j < [trade-record-one-len] of myself]
% @1 Q0 G/ C0 v3 P& \. N8 p[/ G& f" c( q4 w8 {
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)
M7 E# G3 t# |' K8 W6 A3 H tset j
# G9 P1 g1 r& D |0 H( j + 1)5 O `! C. i$ l; L
] d, Q- \, q4 L
let k 3
+ R2 p: Q, g, blet power 0
% R( L1 \. M5 K4 _5 S( q7 qlet local 0
' z6 W1 ]* e. o9 N- a5 J& {while [k <[trade-record-one-len] of myself]; n& F/ [2 ^ k+ U& O
[, S: T0 q$ l* k/ J" d) }/ X
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) + |5 E8 t$ M) B7 ~2 y2 s5 N" w
set k (k + 1)
: E3 z0 [: A6 G& Q]
$ |% g& h- r: P+ O5 _4 I5 iset [local-reputation] of myself (local)
1 w" N% J4 m4 E2 s0 uend
9 U; T6 k9 L$ ]( V& p# g3 t
" {! u$ L( x3 Q! H' |to update-neighbor-total5 W+ ~! ]$ b% \0 e$ ? w- ^4 `
! q( a, E( L3 P8 G( c: H/ Pif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
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+ M5 B ~) u" j2 j/ z# {end4 q4 U& d! G4 y+ @+ i7 O
9 V1 E4 R+ `9 j2 b6 Yto update-credibility-ijl
: i$ R7 Y" R; O( `. \1 Y
# p1 E) Z% D9 j1 N% S, A# Y9 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。9 T! f: @2 V S; Z( f( M
let l 0
' `9 {- `9 @. E0 U- p% x. ywhile[ l < people ]
; i0 o8 N% a; 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
/ N5 i f1 \8 X8 Y \[
, y# r. M' h- F$ |4 \let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
0 E9 A, c$ t5 b; O9 _) Jif (trade-record-one-j-l-len > 3)& N V" {3 D9 |" z5 [0 P
[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
: G! N1 y. j8 c$ {6 x5 Zlet i 3
% @# {" y8 ~& F1 X9 elet sum-time 05 l5 a& I- s# y& m! S2 u9 W
while[i < trade-record-one-len]' u0 q! b u% ~% I9 j+ |
[
7 A7 r2 D: k0 P( }+ o/ aset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
4 _; U4 d* D/ g* d, O8 Mset i4 s: g" B7 H3 _4 i3 y
( i + 1)
' K7 C( w" ?- P1 U$ h$ Z% b. c]$ W! o n% q( \; u, y
let credibility-i-j-l 02 ?. ?% r9 a( K$ k7 |! r& H) w
;;i评价(j对jl的评价). h1 j+ G1 k# b
let j 3
5 F$ B1 S3 w2 h* ]) ?let k 4
+ F; f" t# o* d3 F7 awhile[j < trade-record-one-len]
" Y* d/ K3 F3 N" x: b# B9 q# Q[
2 Z& b1 I" A$ m# D: Cwhile [((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# e+ c W7 {* F5 G& uset 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)
+ d; R9 n P* t7 [, ^" t6 J6 v, Wset j
- y, y/ Z2 j1 { I( j + 1)
R7 V7 G( q* B, s; o. [# D' n]
3 ~) Y: s% A9 K9 t3 E% L. Eset [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 ))
% b; ~3 l& C3 \) r7 @& M: C
9 C/ b- F# b4 w$ V$ u9 L) U8 t3 V- S* C1 a9 W
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))" } B9 T: m8 N$ n1 k: I- `& v0 C
;;及时更新i对l的评价质量的评价
; Q3 v9 y' g: ~, jset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]; K# b; ~1 R& ]5 O K2 W2 W
set l (l + 1)
1 C U5 @: A0 }4 J4 k* M]; c$ k) [: S$ }! ?
end
: F3 F, u6 d" z6 A
- G8 |, \& |! h2 v* X9 fto update-credibility-list
5 V. {, {, E1 b. G: k- Zlet i 0
% K) {: `3 N; v3 a$ _( R& ^) Cwhile[i < people]* ~' Q& a# H8 H, l1 R* q
[
6 \1 B7 e/ G* e: F# m) \( {) Blet j 0 Z$ a. F7 _8 {, Q9 L
let note 0 ]5 l1 P1 e7 q) w; ~6 S
let k 0
5 y( e8 ~0 H6 E$ p;;计作出过评价的邻居节点的数目
: r" n0 J& O1 R4 B) Dwhile[j < people]
" j- q3 ?1 Q, m[
# z# g: L$ U+ }/ ?* w uif (item j( [credibility] of turtle (i + 1)) != -1)
+ |- P8 u1 n h;;判断是否给本turtle的评价质量做出过评价的节点: Y. z9 A1 `8 d# o8 a" K
[set note (note + item j ([credibility]of turtle (i + 1)))1 d' _/ J! Q( d! i) @ b: q _
;;*(exp (-(people - 2)))/(people - 2))]
3 [! t" h' ~ l' Zset k (k + 1)
- ?$ a5 u- w1 D, c8 [3 {]
J4 q& D: J) N4 J, ] B3 \4 Sset j (j + 1)
, N6 m& J. V4 Y* }+ P4 E8 a1 m]* N: G/ ?0 U! P- ? u2 C8 I
set note (note *(exp (- (1 / k)))/ k)
% y( l; _# j5 z- f3 Zset credibility-list (replace-item i credibility-list note)* o9 @4 b4 y: I2 I( [$ X
set i (i + 1)% i4 I& j9 y5 w& i" n
]/ ^4 v2 G& C4 F
end% s& z/ c" E- ^
4 o% ]( k/ L3 ]" m3 Lto update-global-reputation-list* H6 Z' q V) e( o+ J
let j 0
$ m6 W; m" ^3 o W3 Qwhile[j < people]
1 O6 J9 E# L+ Z8 O2 w) [( [[' U, g6 S9 _8 F+ E7 X Y
let new 0
0 \) P' C% h( h8 G4 x! N;;暂存新的一个全局声誉
. C( X7 O& P' j/ Ylet i 0/ D+ ?/ _1 ~4 ?
let sum-money 0# }7 Z$ E! [8 g+ C0 u
let credibility-money 0
r& t& g- u* {3 D& Ywhile [i < people]0 u. ^- r, m! v( a
[
6 B! s; ~4 K3 ]% G! Nset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
; l$ d z# o1 Y% ~: Aset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
3 M+ u: v, A' J) p% V! Mset i (i + 1)8 l' Z& W' y5 y R4 w
]
7 n) l- a- M7 P3 }" b3 Q8 }let k 0
N% Q0 M- \- @3 U1 X7 glet new1 0% Y% m$ }7 J: C
while [k < people]
# n3 ?& o% E9 I1 g6 t& Q[. ]; e' d: c" }& 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)+ W1 x" R: \/ W6 t- _9 q
set k (k + 1)
, T; t6 G3 [* b; r1 a]4 a' Z* }& ~# K$ |( }; |
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
: c, p' K2 i! N6 iset global-reputation-list (replace-item j global-reputation-list new)% q+ i, h7 K0 x
set j (j + 1)0 u$ f" m, ~3 H0 I9 Y+ [- U
]9 ?1 @8 u; u# b) }0 s2 l$ J* G
end
* O/ E& {7 b& Y; [! f2 d5 b/ z
& z Y! {9 p8 l' a+ g/ K+ }, x7 l5 p
4 k" d& v: X+ H* ?" Q. z
to get-color
7 K8 f+ n: j/ P, }1 T) m! r y6 }0 M
set color blue" F5 i _; T3 j2 s
end
/ |3 Q. S: w' B/ c# k
F# W. G- \9 |# v3 @+ W, jto poll-class: [7 s: h* f& |2 M+ `* O' F) |) n
end
A6 L7 W1 h2 Z; r, V# t
y: w3 B9 E+ K' G2 H, Rto setup-plot1+ E7 }6 H; Y2 l6 D$ C
4 g; L9 b0 B6 z- ^set-current-plot "Trends-of-Local-reputation"
' R) d7 P1 d9 S- G+ J% k9 n8 i/ A
set-plot-x-range 0 xmax; O+ k' {) x+ \- D, ]' ]% E
7 W: m! a! r1 }' W
set-plot-y-range 0.0 ymax3 Q& C6 R; r p, L o- r$ V
end- e1 u* O& u' U0 B
; d7 Q- n+ c7 Q7 ^% F
to setup-plot2
8 _/ n4 J8 j7 v
3 f0 o2 ?, ]' \7 w& k. _set-current-plot "Trends-of-global-reputation"
; F+ I: ?' G$ ~5 r6 G& [8 x I9 O$ [" u7 Z+ a' c( T" |
set-plot-x-range 0 xmax
3 f: b/ o0 j% A$ ~/ }- ]" g5 v# G1 k6 W7 Y" e; p: K" I
set-plot-y-range 0.0 ymax' u/ y4 m% r+ _# [4 }
end
* a- }) v) z( I
, v3 N+ `1 C* P Q7 ?" S4 Sto setup-plot3, o: t4 B5 Z9 e: E# P
; w. q0 k2 ]" `2 y+ D/ i+ v; N
set-current-plot "Trends-of-credibility"
' C: e! B. R# ~, o! N0 D, j
5 k# Q) d, P% M' b, R0 B) ~set-plot-x-range 0 xmax% \( P- d2 k# Y! a; R
2 e/ D2 C" y: \* lset-plot-y-range 0.0 ymax
) X' I* X, A* A7 {end
' k1 X9 y* o* C( H3 G- u
0 `2 w* W; C. `, ]' qto do-plots
, z" f1 r& i8 T! `set-current-plot "Trends-of-Local-reputation"- u1 ` I6 |7 [/ Z' o
set-current-plot-pen "Honest service"! {, A' m$ [- t5 ^5 ~& L
end
5 x3 S$ S5 o' c! s
3 Q) A" C8 E! h0 _) X* C1 C! i, [[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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