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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7 e( ~1 @% i. f
globals[
5 Q" h" f0 D* ^% R: {; c5 [; q# T) jxmax0 \* Q$ ?# B+ |5 O8 \4 o
ymax
- k5 Q5 Q5 d% ~8 ^/ M6 zglobal-reputation-list2 t! M B7 C2 v
. W5 E9 z w# i! o" ^& U% m;;每一个turtle的全局声誉都存在此LIST中
' Z, a F2 n* }" b6 Lcredibility-list8 d2 R" u& {8 R- g( B" t
;;每一个turtle的评价可信度. R) b8 y+ k& c- A0 s
honest-service' S9 s1 \' F0 E
unhonest-service! t- _+ V, R- l( J2 x
oscillation; R5 E6 v6 Y) z! v1 M
rand-dynamic
: ?) r, ]# T4 S/ Y]
* ~0 k% z+ ~0 B6 {# n! e) h4 q" [+ B) h# ^& a
turtles-own[# n, h# ?# @1 D; z4 N3 l/ p, }8 b
trade-record-all
' k& F1 T& Y4 B k6 G;;a list of lists,由trade-record-one组成, }/ O2 @4 P7 ^: v" [
trade-record-one
9 B& ~+ V+ ]$ |/ I;;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 [9 L. J- l1 J! p
& F, i+ O4 l# 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]]4 r- f7 ^# a- ?
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]) h S4 u' A l+ m0 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
' P8 \" E3 X2 { h3 x6 eneighbor-total
# J+ A; @% M/ @: h4 v5 `1 [( u! w;;记录该turtle的邻居节点的数目# `- I6 a$ V ?6 |6 w
trade-time
- O* \% ]( m# B) Y;;当前发生交易的turtle的交易时间
8 Y, d$ L# R" J i$ _$ |! N0 dappraise-give
3 d6 N- H8 t# w: D) U2 Z;;当前发生交易时给出的评价
, f, W+ |" ^3 b0 C0 t2 ]7 [appraise-receive
& A) ] j. W v3 u* U* r. G4 g) x' f1 B;;当前发生交易时收到的评价9 t; i) H$ a/ W" k" b4 {
appraise-time% v' ?' Q& }+ x( M' g; p
;;当前发生交易时的评价时间
; S7 ~3 K! ^/ a% M- Olocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
, b9 M- f5 U: L( W x; strade-times-total
% Z ^6 B- ?: f Z/ l6 F7 _; X;;与当前turtle的交易总次数
. q* a) |! g7 b/ j( \! atrade-money-total& t; G$ E: k7 y7 A5 B5 X
;;与当前turtle的交易总金额
$ {, c% x4 J( B; qlocal-reputation1 k% L: Q# ^% F) k# C4 H
global-reputation
8 D! K7 \) `4 k b# b/ Acredibility
1 C! f5 K' k" B/ v: c;;评价可信度,每次交易后都需要更新
# _; H& p& S! xcredibility-all0 ~9 D4 o, S4 X! Z8 I: O$ 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
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;;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 _! q8 {( y$ v- Y3 X) C) v# J
credibility-one' I! t' k) N2 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0 Y. m8 m2 P9 K' M
global-proportion+ a8 l) ^8 ~6 V2 C' b3 V
customer
( t9 c% f& {8 N: X# k' ocustomer-no
) l* _/ G" a, ~5 Htrust-ok
. l4 a Q+ E+ C q% |- m% J9 Otrade-record-one-len;;trade-record-one的长度# Z" [/ x0 z0 d& `- d
]- s. ]2 Y8 y# ]9 a
S% j: _2 u. q$ f7 S0 U
;;setup procedure
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$ s& a& U% h% I# h" G% e0 Mto setup* E7 I( [$ a, n/ V
9 N2 E8 Z4 z( G6 cca9 _8 \+ @3 \- t' Z7 ]+ A, C2 T
( o3 C' i& _) P' q7 r; b4 Yinitialize-settings- ~0 y( y2 ]! }8 q9 z+ M
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crt people [setup-turtles] e+ I, ]* y k: a# q* o% m
6 k# x$ P) Y7 O1 g p; S8 c" ^$ F3 O
reset-timer9 U6 @5 C$ i2 p$ L
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poll-class, }6 y2 c- _$ L+ C2 u3 {- _" D
" S! A4 T* T' d' J2 W
setup-plots
! e6 X$ [3 U& W
7 S( ] a$ P( E1 Q8 Ido-plots
- c* D% m |3 {# Oend
- n' }7 S* b1 c# H. I$ x) n" K; R# E) K) B
to initialize-settings
% d3 V# T' o) a' A+ g: f
0 E1 p# |2 b1 L& j- Dset global-reputation-list []
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2 Q T# ]; q8 g# N& a! O6 Eset credibility-list n-values people [0.5]: w( J1 J& p o! e+ ?
* k6 g0 C Y" ?+ E* {. [1 M
set honest-service 0* }; A6 Y8 r- I) v
+ q% V& C6 d$ u* p" Eset unhonest-service 05 J8 s! L$ \+ a; q
% w E( W- ?! ~+ T2 N6 Fset oscillation 0
! h4 Z8 p6 ?# G3 k) n. N! {0 \7 ?6 ?3 t6 B
set rand-dynamic 0
+ Y6 q( H6 ]; y9 T& Oend
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to setup-turtles & |0 a& z6 _8 L. W" X
set shape "person"
* |: `1 y. Y" [& w- }+ p$ t1 ysetxy random-xcor random-ycor0 |6 t" \) c$ K+ ^
set trade-record-one []
5 c. M$ s) d. r5 }) @3 q. H l# U; t+ ]; y" W* j! C" j* Y+ d
set trade-record-all n-values people [(list (? + 1) 0 0)]
& Y. s6 q% y8 O
! h% x0 u# F+ U1 u2 L1 [set trade-record-current []7 c. S9 c+ b2 \/ w( V
set credibility-receive []
1 I, j% [9 p/ A4 sset local-reputation 0.5
0 `; v% `2 Y! x4 r, K0 vset neighbor-total 0* D/ L! X( m) w
set trade-times-total 0% T8 ?7 Q! s; o" M6 H) n Q
set trade-money-total 0
& }& \* P+ M3 U$ ?5 c1 U6 n/ e& ^set customer nobody
4 E* W+ I+ F/ u( T) kset credibility-all n-values people [creat-credibility]
" H# B) e$ K( H- g5 |( E2 N8 Fset credibility n-values people [-1]1 o# d; I0 S0 \. e
get-color+ \' Z/ b2 N3 i& w- N1 F
; _9 F) B2 r2 u. n6 K& _0 Hend
; b" p. y; r9 D- m( f* E: ]8 S( @3 |" k2 F g
to-report creat-credibility
! h7 O2 `# K" Z4 g( S6 }( j% Qreport n-values people [0.5]
. X! f9 C: ?0 _; Qend" i n) e( h5 F, l6 k
8 @ d8 e+ a) b% s4 B7 t6 ~/ N' Rto setup-plots; B, U) {" Y" t# H5 P
. N: L5 m" E/ |2 w' f P. T
set xmax 30/ r8 i; }) z; {; L7 O
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set ymax 1.0: H2 W( w- b2 ]5 ?$ _2 Q7 m
- Q0 z3 `/ C# I' o( n$ H1 A5 Jclear-all-plots8 }- l- q/ m+ t6 Q! N0 g
5 {! i( r; `) ]" b5 m/ Q4 c- xsetup-plot1
: p6 h, |, B* E: e6 O$ Y% e3 O) Q; m% t8 v" l
setup-plot2
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setup-plot36 I9 i7 E/ R1 N `% j
end% x; e4 d0 o* Q2 d Z: S6 [
( D+ `: o9 d* D2 P- };;run time procedures
+ I# j9 W1 G& Z M
) g" n6 `, R) }& O. _9 R" t- l* O9 kto go
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ask turtles [do-business]4 p5 w9 ?( N: R1 x* ~* f$ i9 V
end
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) ?! Y B, {0 k8 F0 gto do-business ; P5 B/ D% {$ ~4 i
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* n9 O7 r9 B* R4 \1 }% {" _& b
rt random 360
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fd 1% R) j: C I1 c
" d" l5 {; o/ ~4 ^: Z& z! B* x: M' Uifelse(other turtles-here != nobody)[; k' w5 @$ X5 d' m" N) ^+ _2 K
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set customer one-of other turtles-here
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7 d( l8 b+ G4 F2 u;; set [customer] of customer myself( ^# k7 X+ c1 _ t+ z" y+ M
- h) A5 \% X( X6 nset [trade-record-one] of self item (([who] of customer) - 1)+ F, T6 a" U; j8 x' c2 o
[trade-record-all]of self
8 V2 ?2 V- b4 z;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
. ~& ^: j. Z5 K3 v6 s& |4 Y" f& t; @1 g) U7 j0 [- g- K+ }/ b5 B
set [trade-record-one] of customer item (([who] of self) - 1)8 l; k$ w$ `1 ~+ I
[trade-record-all]of customer
: `" U) N7 j& w6 Y
- D0 T' F7 Z0 o/ Dset [trade-record-one-len] of self length [trade-record-one] of self2 \9 P1 `6 I% z
: P) Z o% d6 Dset trade-record-current( list (timer) (random money-upper-limit)): R' t9 K4 U3 }! j- B% w; y! @" }, G& r
" D. t3 S2 \+ x" g4 Y- j: Yask self [do-trust]3 R: a8 T* y9 }' @5 L! |% B
;;先求i对j的信任度
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if ([trust-ok] of self) ?: T! t# I0 F. m0 N
;;根据i对j的信任度来决定是否与j进行交易[
* q! \2 S( U8 Z, j/ y" Cask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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: G% j9 ?% C2 A3 I[& E& \: z0 |' }% X7 o* F- b
1 E- A( C$ r8 p! T) K& ydo-trade
( Z, ^) Z8 s3 R6 u u
5 u0 k) J, v6 l: d+ p ?5 U0 rupdate-credibility-ijl
8 }6 F% }8 }2 Z$ ~; J/ m+ B& B) Z; ^
6 C# N: m2 K$ oupdate-credibility-list
4 C$ ~5 N, M5 D/ {3 p1 j& h) c% d) Z$ C7 q' ?
6 g- [7 X9 c2 _& ?" Uupdate-global-reputation-list
4 I4 `. P' [; T
) }$ j! Y1 c' Rpoll-class
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& S# ~! l# R6 E8 l- {get-color6 `2 J& L% t& _& o9 O
2 E7 E4 U Q. s( p: P
]] J w' c: }7 y4 A. \. s
1 q. k! }2 H1 Y2 y: C) f0 H;;如果所得的信任度满足条件,则进行交易2 [8 h: \# Q) u$ }
* x2 K$ U' g! p. h% E0 x[
, |4 p) C1 W# b4 s+ b# D" v! L% @4 n; R; g7 ^) D! D) i. \
rt random 360
, s9 m3 `) A, u4 z( A$ T& @$ ]' J9 l( j! L
fd 1/ H5 t/ X/ [; I
5 M& Q2 h9 V: h3 j# H1 V" q7 |. T]9 E# H; \3 d) Z- x6 C% y
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end5 n; f8 X4 n! i- U' m& g8 d
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to do-trust 6 P, ]. J8 l& }" X
set trust-ok False. w# g5 J6 m$ O& J/ b* _
+ P- t! G8 ?9 b% [: @( e; F2 z& Z( J! F* Q$ k
let max-trade-times 0% R3 g0 t- u6 | e7 {
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
& h/ s# M1 z5 ]+ C' G, n0 ~1 \let max-trade-money 0" n. A: G8 d8 e! A
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]5 o k" Y; V4 q2 e+ t$ l+ b$ Y
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
3 [- L3 H3 j9 ]0 s* a( ~
% r! P+ @8 n* i/ j- s7 k. E- M8 L. q \- f+ |3 I9 Y! s
get-global-proportion+ N1 w! Q" B: a% p4 K
let trust-value& z Z, h, b8 I$ l
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)
+ ?9 z' r) I5 L# h {5 p* C- ? @if(trust-value > trade-trust-value)
* ]( z, v; |( z1 \$ ]4 x( |[set trust-ok true]
1 [" j% M! s7 Q2 m* S- D6 W6 F' kend8 Y! ?/ F: h- I
2 S: S# C* s. `3 E# N' Y
to get-global-proportion7 h# S" X, ~, A* z: ]
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)/ s0 { Y% T7 v: l
[set global-proportion 0]
/ r2 \, ~1 j- @! |" u' F4 E2 Q[let i 0. j7 y( Q( p$ G. Q: F
let sum-money 0: E* [! n+ N) ?4 T! y, v; n
while[ i < people]
3 Q/ D% r; O: I[" i4 j% H: E5 u' Z& m, |
if( length (item i
& {. L3 H+ L6 s/ c[trade-record-all] of customer) > 3 )
" R3 q2 f' Z4 e/ f0 o! |9 m: b8 l* f[" u. ~+ w9 U9 H q i* Q- |- a! F
set sum-money (sum-money + item 2(item i [trade-record-all] of myself)); W( |7 D1 l$ V( a& `: R5 z
]1 }1 d/ Z: s2 X& Y/ @( j
]4 o) K$ S R8 s* F3 f
let j 0
5 D3 C9 h0 r% T: Ylet note 03 U1 e7 O2 n8 Q
while[ j < people]
/ ?3 T/ L+ \% s6 U5 L! }[5 s1 z- w+ A' A3 U/ D% }. F
if( length (item i L6 J2 h! y4 q6 e1 m
[trade-record-all] of customer) > 3 )
9 `7 D3 h2 r; q/ {9 n[
! p- y' E6 q M W" l# Cifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
0 j. \2 @* i. J0 `0 o[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]- p3 N7 C. L. g- ^9 m$ u) F
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]8 m* }4 ]3 f9 k
]9 ?8 M, p7 W p& i4 A; \" s
]- W0 e( Q H0 e1 J5 o
set global-proportion note1 z# b" s9 E- u7 ^; I0 O* T0 q9 \
]4 W6 T5 i3 j! B! S
end; `7 H- Z2 u T$ ~4 j9 e7 Y
' ?# K# b% j. }/ u$ h
to do-trade
5 U" Y- {9 |1 Y3 n1 `2 i;;这个过程实际上是给双方作出评价的过程
2 _6 X$ Y$ |1 D, Rset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价- n' B F* H# J
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价( W4 m& s& ?1 h6 `" t" {
set trade-record-current lput(timer) trade-record-current( r) _& l' I6 ]% \ P/ e
;;评价时间
8 z: h: U* Z5 T' y- ^ask myself [' h1 Q$ C0 _* e: t0 s5 o; J
update-local-reputation
5 @; h; ]5 \5 ^% l% Q+ lset trade-record-current lput([local-reputation] of myself) trade-record-current
1 d( U- _* L. D6 I]
, `; e$ m( G5 g F& ]set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
8 z, x9 \ L% e# x;;将此次交易的记录加入到trade-record-one中% q9 `& Y0 G7 Q( D( n
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)* J( A6 t& U" @' }) v9 \/ H
let note (item 2 trade-record-current )
+ n A3 [9 j* ~! fset trade-record-current
9 w& B6 U3 f# k" l( i/ g(replace-item 2 trade-record-current (item 3 trade-record-current))* K6 T4 W) p' _4 y2 X* |* ]
set trade-record-current
3 i$ E; j0 @4 h- U" _# J(replace-item 3 trade-record-current note)( F2 Y. b! Y( G) k9 U$ K* p3 w4 [3 ]
- |1 u) n, p. J6 D, d
3 D& T' h( Y8 @5 }ask customer [' q1 x$ o8 n9 n! Q; U$ q
update-local-reputation
1 n+ d0 U1 |$ u( t8 \" \+ aset trade-record-current% a4 K7 t0 z9 @2 d: B9 p7 K
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 2 j e5 C: C- L
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& y/ t$ U8 U5 B8 X# u- e0 q1 H. Z; E. b/ D9 e, P7 s
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
( W7 n( `6 ^ q d3 t9 i9 J ] x! b2 W2 E j
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))" L3 r0 N+ Z* i; l1 t
;;将此次交易的记录加入到customer的trade-record-all中( h1 F9 a; y1 K3 q
end- }. V" D1 `; z
5 b- I. Q$ @1 J5 g W, Hto update-local-reputation
2 D; H$ t/ T0 m- Aset [trade-record-one-len] of myself length [trade-record-one] of myself
# q& f' i# ?0 ]1 L
' }8 }( y% Y* C/ Y' m2 J9 Y, @" R
- u+ V) Z- E K( S2 g* Z;;if [trade-record-one-len] of myself > 3
* h- {- M# F7 Aupdate-neighbor-total
& s! P4 @$ Y1 m; v;;更新邻居节点的数目,在此进行
+ q# V- d& |! d- P* qlet i 3! M9 O1 m* b0 R3 A9 {2 I* n1 I' ~
let sum-time 0
( w& d' d1 b: |, C' U0 T8 ]while[i < [trade-record-one-len] of myself]
$ h3 t9 `0 P1 L4 c+ {7 @* K$ q[
% P3 b8 R2 M, h4 O' b sset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
2 G( ~9 ]: _3 y! Y9 ^( H8 `set i5 \% U" Q6 t3 i
( i + 1)
N1 g( _; q. k n$ n]( V5 w0 s; w8 p
let j 3! ^3 K5 r2 V( u* L8 V2 z
let sum-money 0+ m+ U2 j% l! q% a
while[j < [trade-record-one-len] of myself]$ Z" w$ @8 x2 }3 d/ l
[
8 k) M6 {8 i1 u) P0 Lset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)5 w B6 s9 [' p& O$ Z: D
set j
. L F4 y, u9 ~2 g# j) E2 n7 A+ \) f! I r( j + 1)* x4 m& }- ]! M# q" \
]2 s! l6 x% j4 C$ x1 n5 P# H$ u. g
let k 3
- Q' J0 Z. N0 m5 k, @let power 08 i% m2 o4 ^1 U: I( Z' i) z7 `0 V5 G
let local 00 S# W$ |; c# |# E4 O8 ^
while [k <[trade-record-one-len] of myself]4 A) j+ T: W8 \7 h
[6 e/ G# B: o1 @& G9 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) & h. @' N e- F+ v# x
set k (k + 1)
: L% h! Y" N4 R) [8 V! p]
7 j A2 u g. F$ G5 Pset [local-reputation] of myself (local)
9 U# R6 s7 f7 k6 K% X( k* ]) }end0 Z2 |0 k0 N# H
* C7 v) X9 h) |& q' @: r7 dto update-neighbor-total
" L; c* a; c( G# C4 y6 W; h u! Y1 @, ~7 p" i
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
9 U: E% k5 f: a- l% D; q
1 L) D2 T% ], J2 ~+ e$ l; E t9 `/ S6 n: s0 L
end. y3 D. c& U J& S) V0 A
; L6 y& g6 @+ h1 g- Wto update-credibility-ijl
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7 e% E/ O' K& T! f;;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。
( L3 o V% D( E! |let l 06 A0 J; t8 y" b0 R* h0 j
while[ l < people ]
5 w1 e9 j0 s) N. \8 x& t0 R5 `" 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" F! X" c4 O7 b
[
' o( z3 ~6 R4 S8 X5 Ilet trade-record-one-j-l-len length item l ([trade-record-all] of customer)7 R$ _9 S" }1 P( ?/ k
if (trade-record-one-j-l-len > 3)
% K% |) d3 k$ y9 T6 t g, W( U5 R[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
0 Z e( d A. glet i 3/ W7 G7 P) }# W% U, C
let sum-time 0
& M- X7 P9 V& t! q6 d, rwhile[i < trade-record-one-len]
. {4 p; n$ i* h0 \5 r[
7 o) f- s0 k5 H( z% \+ s& M% Bset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )9 {& I) W. A! S2 t ?6 v
set i( \$ n4 t+ s, R! R/ B
( i + 1)- r: @3 y8 j" D; l/ ]+ l
] H' Z" i( k( \9 k
let credibility-i-j-l 0
( m2 j' j* C/ o;;i评价(j对jl的评价)7 k. J7 z# F d& R! c
let j 3
6 f9 `8 p0 @# B7 Z' Glet k 49 u: L" |! b, R, q
while[j < trade-record-one-len]8 E3 O; l1 ?7 T0 Z& j/ z5 X8 {+ f
[
, A- F9 N/ V3 q3 Qwhile [((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
0 Y) m/ P7 D5 ]- W4 nset 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)
- O: Q8 f6 T! `3 h2 Dset j' o( l. }# x) W
( j + 1)6 V7 {$ @7 X3 e, }/ F
] m0 D: `# f. T- }1 E# Y0 G# v+ J# x
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 ))5 g. w% r1 }* `8 W% R# D
3 J7 E& T" u7 \* Q, _) [" y: ~9 M* I1 l5 A9 e0 |9 ?8 a
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
h5 |& v2 k; o3 F;;及时更新i对l的评价质量的评价' C; a7 J4 J7 F; ?4 ^) g# {
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
0 T! E$ L, S: g) D! I' mset l (l + 1)
8 h/ T5 X5 x9 o f( Z] H; t5 e) {) r' x' b! A
end
* \0 R! e r$ ~# K( N7 j/ ?
, R5 _ \- d( a% E; {; eto update-credibility-list
0 y; m0 W& N; k/ j1 Nlet i 0
+ e( K7 B. R( I- w6 p! Pwhile[i < people]9 ]5 `9 ?; {( J9 B' l. W6 }
[/ G$ @2 S4 [7 T- ]# I
let j 0/ S K# [! [+ ]2 a4 i- B
let note 0
: Z* o4 i t& m6 rlet k 04 j0 X9 |; @; p4 p e2 j6 m
;;计作出过评价的邻居节点的数目
) B6 g* J7 I* {/ `5 P" ~while[j < people]
! d- Z1 x2 ~; D- k4 w5 \3 k[
2 j4 z, {1 {' M4 y) j5 H3 x# z. Zif (item j( [credibility] of turtle (i + 1)) != -1)1 W+ `0 i, G0 L+ \) }: k3 X( D% Q
;;判断是否给本turtle的评价质量做出过评价的节点( N6 _0 H1 J( n8 X0 u' v
[set note (note + item j ([credibility]of turtle (i + 1)))4 x' Q# R: G. q( \
;;*(exp (-(people - 2)))/(people - 2))]
( F$ D. A$ Q% T: j' zset k (k + 1)
" z; {3 X9 v2 S9 z; z4 Y]
3 N4 v* V! A, h% Mset j (j + 1)
* c( v5 \ R" L4 u]
: k) @( R$ @7 p% k( qset note (note *(exp (- (1 / k)))/ k), A# I5 M" G& O: o
set credibility-list (replace-item i credibility-list note)4 w4 H0 p$ ` \
set i (i + 1) @% ]: y3 v, R
]8 `+ e+ x( F6 U5 ?
end5 ^$ l' c* j6 \+ s! S
( F$ m( S) R/ s7 Y, V( f2 w
to update-global-reputation-list
9 O. _2 h+ T% b2 Ilet j 0
: N7 {! Y6 w" _5 rwhile[j < people]7 F( a% l" ^/ ~1 ?
[' {- b' z4 m1 |7 v& Q3 H% G! t
let new 0
6 ~. `& B% G5 E f) D( g) H" C;;暂存新的一个全局声誉
0 y0 Z D5 _* Q* Klet i 0 }! {; D+ Y7 l" ^
let sum-money 0# V E4 n0 @( o4 K7 n
let credibility-money 0
n$ d$ `: g9 _: X" T$ @6 w# Cwhile [i < people]
' W0 \: r) N3 n n[5 \6 @. J t7 v$ Q( m% y
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))), ?/ _& s2 M. }) Z
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
& b; U( j m6 y4 ~! k9 Vset i (i + 1)
* V- ^( w+ y/ ~% m, m4 P* s, J8 g0 E]$ D0 n- }! i! h
let k 0
2 w$ ^9 U; t2 L, Glet new1 0
- f) B3 E+ {( M" |0 l$ Uwhile [k < people]
3 z u) X$ u- S }* d[5 `1 p1 x6 i- O; H
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)
J% J$ W0 H% r0 K: n) _7 T2 zset k (k + 1)* F- b1 q( R+ k; e3 n# a# ~
]3 R0 c9 u _$ U2 x* u2 M
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
; d# Y* y9 w: B* Qset global-reputation-list (replace-item j global-reputation-list new)1 i$ \, p$ m6 p
set j (j + 1)
6 f8 u& ` U( Y1 B% q: h9 ]# z- u]
+ B! q( _4 A- X" Uend6 P) p! P0 j- ?5 Y
+ N& d4 M! W0 d) v' c* N4 b
9 N5 t6 |/ p j' X
, c. V2 B, n4 ]0 c$ R
to get-color* S% w6 D) I1 t: S V* l
& D! m: ?! u( u
set color blue
5 Q3 x7 `" n' X; k, I* _end
1 i6 t- V! a3 H3 h' Y# y A7 j8 @3 N- s* R! n( c* E1 `# r
to poll-class7 v! G( o* A7 _1 ^% U% r1 O8 {9 v! }
end& \4 ]6 F7 q3 t+ j/ C
[* j8 K& }& R7 I9 m; K
to setup-plot14 S4 a3 M/ v, y; ?) E1 F6 f
. Q+ |" n8 N$ R' @4 f( b
set-current-plot "Trends-of-Local-reputation"
0 e* v6 V8 F# @, d9 ?
/ a! v3 F% @* J4 x9 yset-plot-x-range 0 xmax5 \/ z) t1 E5 q/ N, C- \$ ]
5 X p2 a, v, `3 N: H M! {9 o" o
set-plot-y-range 0.0 ymax$ u6 w! e0 E! s4 J1 r
end2 Q/ \+ [; j- z+ F
9 H O! g( x1 {" I, S0 _2 ]" Z
to setup-plot2: g# D1 P6 r7 e, q
( a* C) t+ f- b8 Q9 Hset-current-plot "Trends-of-global-reputation"
8 }8 W9 _$ I% @0 h" O Q2 S. _) c
/ ?$ u J( C; I4 C; g2 n; R: Lset-plot-x-range 0 xmax% H- y$ C7 g; Z) c5 J/ Y* J5 [7 p% e
. X+ y! `4 d' c" {9 t+ B
set-plot-y-range 0.0 ymax7 O4 S* A* f/ u, T1 b
end: ?9 T5 d% D6 p8 w
7 [ a; a, M& s( p: I, P5 [
to setup-plot3
8 w3 s- \$ ~+ E0 K( D
8 w* y% R; g1 ?% A# p: x2 ~set-current-plot "Trends-of-credibility"+ O3 [0 Y. ^: i' @( G6 M" V
) L0 x8 J4 u, O1 a5 i
set-plot-x-range 0 xmax% X- P, F7 X3 h% ?1 b5 r, X
$ ~2 [: z" U4 g% n! rset-plot-y-range 0.0 ymax. d. e X! K. g* b; w! F4 f3 ^
end
\) i# a4 W/ m
& y6 Z* G" @9 s+ g3 ]' Y/ Cto do-plots* b9 y- Q+ A1 i% f
set-current-plot "Trends-of-Local-reputation"
) [8 N2 C: C ^% f- dset-current-plot-pen "Honest service"& I. D% r4 q% N
end3 ]1 N F6 w: G i ^
% v# r. E- O( G
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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