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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 m5 i& |/ D( a+ @; E& n2 G
globals[
8 b# @- y8 H' z2 h/ Gxmax+ C7 {* x! A" x8 n) q& J) f
ymax
. U6 V3 z, A! |) j2 oglobal-reputation-list/ f4 q ~9 U$ a4 l( D
1 |# W _6 `* w;;每一个turtle的全局声誉都存在此LIST中7 O8 f$ k: K& D, ]! k9 I0 C
credibility-list% u" x: \! O4 V/ n5 T T. g
;;每一个turtle的评价可信度! r; e$ |* _! ]# k
honest-service9 `& X; H7 e8 s2 \/ F+ o6 R
unhonest-service' h' Y8 S: C( i! ?
oscillation9 b8 | f9 i: ^( G: a$ y
rand-dynamic
( D6 ^4 z0 [5 W6 F4 q6 T1 p, ~; i]
, I4 Y/ P5 |2 K3 w4 T, b2 R b* t! c: u
turtles-own[, M# O2 R1 V! K) P# p5 F- I7 T
trade-record-all3 |5 j9 O4 t0 s
;;a list of lists,由trade-record-one组成
/ R7 ^# e* A {) l& y& `trade-record-one- J9 K0 T$ l, @' r! @8 |1 ~# P
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
0 D6 K7 q2 ?5 l2 g1 B: U+ m% H; f) L. L) L9 u2 Q4 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]]! x! r2 f: x+ v4 x
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* Y, _& l. k' @
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$ Z( {& N- n" s; d S& f4 t; c
neighbor-total
+ x' r: q8 `4 |$ K1 v! p;;记录该turtle的邻居节点的数目
& k1 w# D. u+ S2 q: f9 }' O/ j2 R. Utrade-time
8 i7 f3 E" z3 {* G# x7 V; [; {, `0 A0 {;;当前发生交易的turtle的交易时间
; J' c- K% e0 m1 ~appraise-give
" H% D6 d; K; s( d* t;;当前发生交易时给出的评价 q9 Y3 a; ?5 e2 g
appraise-receive
5 C" ~* U7 b8 H2 s) ~+ \ K' H/ E;;当前发生交易时收到的评价
! X/ k0 ^* T0 y. K H' Bappraise-time y7 K/ u$ P0 W, \
;;当前发生交易时的评价时间. g" |. C8 G; h6 D" O
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
# ~" w4 v" v$ N3 Rtrade-times-total
) T* ^9 ^2 r( i/ g/ P* j% A;;与当前turtle的交易总次数! |& T$ | J2 r" U7 Q/ j
trade-money-total
: A8 v" X8 P' @; y) o; ~* p;;与当前turtle的交易总金额. e( ]' O1 H& c: c& O' d1 |
local-reputation$ d4 D) [% `3 @3 i8 s
global-reputation
" r# g r2 z1 S# P0 g# vcredibility# m9 F4 L' b: I2 F3 G n+ B; H. u
;;评价可信度,每次交易后都需要更新0 R- _1 ^# ?' ?: s
credibility-all
. W$ g$ I. a% P! |; p;;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6 p. m7 t% Y8 E: l
! e+ Q# ?. [! x# 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0.50 u9 | U1 Q1 W: H
credibility-one
5 y5 f# p3 i0 z0 B;;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
; p" U+ d S1 d' s. rglobal-proportion
$ ^8 F. q6 }, M9 h! Q* ncustomer4 o4 Y [8 h* H# N
customer-no
. X3 k# S5 ]/ Q1 X8 N# Btrust-ok' l3 _" D; O& v9 \) b
trade-record-one-len;;trade-record-one的长度
/ m( x$ M( d! w1 @3 @]+ j( W( O- t! B& k0 D
/ |# f6 Y7 r2 v/ n
;;setup procedure* l6 M2 H9 F' ~. j& e$ C. m
8 G' l% m! c6 B0 `/ p% A
to setup$ w' u9 M- P: \% N, `
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ca/ R1 ?4 o0 l; g f) G6 ]
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initialize-settings
0 j9 J8 Z( Y# J+ N) M1 U! g1 d/ u; E8 B( L/ D
crt people [setup-turtles]: P; \6 m4 n+ R; {6 g0 F1 N$ u0 `+ N
; E" v' w: U, X
reset-timer! m) y& ~3 s2 n$ S# c* ^8 R
1 p" n5 u$ `5 ~! k' |poll-class6 A; J# X/ s8 P
; o2 w* n' p) q: b/ c) R
setup-plots
& P2 L* [- d8 q/ [; m0 {; j& j* L
do-plots
( i% ^8 v5 A3 B( q/ `" o# }end
% u5 A8 E% T; G" i& U/ Y. {" O8 u& b. H" Y v3 c3 [
to initialize-settings! i# @6 q( T* ?4 k+ _
1 J8 ?! e H! d3 Y+ W( r0 e
set global-reputation-list []
# S" s, F, b' ]: Y! e/ E. C; G Q8 B& a& n& G
set credibility-list n-values people [0.5]
, F' F" i+ n( b, J7 w* o8 u- J% W9 F
) E4 G: ]" X- B& F$ A9 n6 w7 g; n( Qset honest-service 0
$ }" t1 f( E+ S' a0 s8 k% _' ^. L* I2 f! Z* A1 i+ c9 r; ?
set unhonest-service 0
- Z1 E( |5 P+ A9 s) G, e7 K& S' N! E' c' P( b- b0 r0 C
set oscillation 0! f3 `' w( p+ t4 \: k: d
& r0 x6 R5 K* K6 Iset rand-dynamic 0
) p# |* p( Q7 j* Dend2 {* A9 X# `4 J) m- t
( r& g6 F5 ?+ `
to setup-turtles h0 I. s. Q% O$ `7 j1 Y( X: c
set shape "person"& Y i. E' T6 b! U1 L
setxy random-xcor random-ycor
9 u$ N7 w! k/ L$ [2 Aset trade-record-one []
$ _! [, b- b* V. v; n- P& O
. b7 H- ^; ~- O- Z- f5 E0 Bset trade-record-all n-values people [(list (? + 1) 0 0)] / z2 D9 M9 o# m0 B7 `
2 ]8 I, e) }% C5 H/ m+ sset trade-record-current []
- m# ?1 g( q) V Tset credibility-receive []7 q' J6 ~6 x3 _. ~. s- U; N
set local-reputation 0.5
; P4 a0 H: e8 ~8 k/ G/ P% vset neighbor-total 0
( p* o1 K* s J, w ]set trade-times-total 0$ B, O2 Y/ @3 E! {! d( \
set trade-money-total 0
! n6 e8 q1 p: Q$ @( C7 Pset customer nobody* E m- u. _7 t7 O: X
set credibility-all n-values people [creat-credibility]
2 T+ c) e* }* p) s6 {2 y6 oset credibility n-values people [-1]
2 c' L7 e. b6 N2 [get-color
. `( p; N) t I5 O# Z6 i' w/ O/ y. n* {1 F
end' C% M$ _9 I7 A$ A# _
) \/ q7 I9 k1 @" l2 M! fto-report creat-credibility3 g1 e* w1 k4 R2 I0 g/ I8 u
report n-values people [0.5]
& e z$ d& k5 {( Q0 F4 C3 V. [end* O2 ?* S5 v [
+ D5 _4 `, F; X6 V/ Nto setup-plots7 p( \1 E* o% a" j
. U8 @; ^9 |; r0 Nset xmax 306 G5 G0 G' F- g7 Q: i
" t+ e0 ]# f" V( Hset ymax 1.0
; ?5 w C- }6 E! @7 g8 s$ O. v* ]" E7 D
clear-all-plots+ n8 T- A& w2 n: d
7 [$ c$ @5 B) L* W; R$ Y$ b7 Esetup-plot1
k, x( T2 H+ V+ e5 S0 n2 r
C- o! T X V% _, |) o4 Msetup-plot2
8 T1 j/ w( M K7 z) w+ {# `5 Z/ J- V
setup-plot3' t9 e0 N' C; T" P8 i7 }+ ]2 z* a+ \0 x
end
! |& d7 l" s" }! p) ]; E2 ]6 ~
% E6 `9 a' k. ^* G;;run time procedures
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to go
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1 c3 L! P0 x* rask turtles [do-business]
) O) @( i3 t" J; _ n& |end
/ I! m; {. B* Y" Q/ T6 t; L+ @
5 ]! F$ k& ~( Dto do-business
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8 H5 y/ y0 A& ^/ x. M: Brt random 360" h8 a9 Y* s* e4 S" F: n \
# k8 V" r+ \* r. A, Q' _ p
fd 1 p0 o$ e' u7 O2 l% @, G
r; |9 S. }* \, q
ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here) R2 z$ O' Q$ A" S/ y
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;; set [customer] of customer myself' ^* O; r! k" ]8 E4 A$ S
; L Z( m; w, R, t0 K1 j5 w3 ]set [trade-record-one] of self item (([who] of customer) - 1)% ^0 y% {" ?5 m) x! u$ m
[trade-record-all]of self) n( e/ |- R1 j- B$ e/ d
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self& _ ]+ E4 J, k# X! j
' M# M1 i( c f* z/ Gset [trade-record-one] of customer item (([who] of self) - 1)
4 }/ R% N- S0 U- ~) C[trade-record-all]of customer
7 b" j% ~; B6 D( j {% u( `
6 y; X, |. y* Rset [trade-record-one-len] of self length [trade-record-one] of self
3 q( L) g* `/ T9 _! B- q1 [ \7 v* s! c
set trade-record-current( list (timer) (random money-upper-limit))0 p. B: z* h+ Z" z8 Y7 `, j
% D' V* w) H! |, l$ W! }: _ask self [do-trust]% d! d `5 P* C1 y5 y6 c
;;先求i对j的信任度 O1 R7 V1 z6 R
7 u' h& R/ W. k1 A6 V
if ([trust-ok] of self), ?# r: P( Q5 H$ w; @
;;根据i对j的信任度来决定是否与j进行交易[
0 {6 Y h$ ]6 K9 [# |- zask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself( Z# ~* \; W5 U8 B+ V
: P( x0 t" f% K# C[/ z6 ~9 I4 J) _# b( a# _( u o. d8 s
. g g9 ^, {7 M" m5 d! x
do-trade
% z+ r) ]+ p+ }) M4 p/ w* w+ p1 b. B2 x' _; v2 u! ~- C7 x* U
update-credibility-ijl& i9 S$ A: x% j) F& |4 [
6 y2 X6 x+ J- h2 K$ {: u0 }update-credibility-list
* l" @* k* y7 z. V) u3 V" `
- s$ G7 L- q% U% P# k3 I
. C' n. d5 F& j$ U+ B" G4 l7 jupdate-global-reputation-list0 i, a5 Z: W/ E+ I
5 a7 [8 e4 }6 }poll-class
' ^" Y, y; t, h0 K" t7 T5 C. @3 l v% S2 U9 ~ _- J# n
get-color
, I# ?0 I+ T% `0 f3 M9 V0 z% ^6 l6 {2 x& t
]]1 q4 Q' K' h! M$ {2 n/ f' y
~4 ~ ^0 z4 y; o- };;如果所得的信任度满足条件,则进行交易
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7 i9 I, ]5 r; o[
D) e- T4 k- \, S7 o+ o+ L# p6 K, E
% H% Z% {% W$ H8 G5 t1 `rt random 360
* |, L7 i' B9 F/ {" j8 H0 K2 W0 O7 Q$ ]: q/ A
fd 1, ^6 P4 e2 L; E! N: ]$ B, h8 k) H( ?
4 ^5 p& m. [# H1 F2 L3 \
]( N3 R1 D; o- R4 j
4 |1 C& H2 i* y$ u% v8 N6 yend
+ C5 W" j1 A3 f4 p& [" j' @/ @1 S" N H3 c4 D7 t0 L
to do-trust
# a% [& G" ?% q. X9 d3 h9 kset trust-ok False+ }: h; T, c7 [, I# A- `' U5 c
- B8 n1 W/ h% ?6 o
$ ^- V& |( W: _, I6 ]( X, m# J7 Rlet max-trade-times 03 O* h* c3 |3 m% e
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
2 H; ?) w) A& klet max-trade-money 0
# Y' E+ W' X0 h X- O: H ?foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]' F; v' I) [! i) u3 m% X4 p) }
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
0 S" \! |7 ^4 N
7 M! n- v$ G9 j4 C# m5 Z
* ^; L, U5 U( u1 u5 [' kget-global-proportion! K* ~6 @, r% @3 P# q& G ]1 N
let trust-value6 D7 [& E- a: k% O
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)" W1 S4 M% @7 z9 h
if(trust-value > trade-trust-value)3 \7 b5 z+ R9 z3 ^! p# v/ n' U
[set trust-ok true]& u; V, }0 S+ L
end
' b5 V$ \8 U" Q" S# d, ?1 D4 O3 I+ F4 l$ Q2 e' z" i( A$ X
to get-global-proportion' q$ U/ ?) r; E$ o t
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
9 S5 g- h6 Y# v[set global-proportion 0]
: x1 @$ t( D8 z, e[let i 0: c& Y* Y& \7 {+ ]1 ]" I
let sum-money 04 p6 H% t& a# h7 ?# s
while[ i < people]; D/ X( G* @, E9 y* Y1 u
[
" I' s. ~9 B: D5 P2 Zif( length (item i
7 S5 y5 X9 D. N- w! G/ c- y[trade-record-all] of customer) > 3 )* c0 h& s. I: @) q3 @0 Z
[
4 T2 @2 y& _3 V1 ?: D% Zset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
' n# V8 U, Q {% k o]
/ Z$ Y7 \ }% V7 T]
% y" U6 D3 J) H- p" P7 ?) Q& b8 Clet j 0: ^! A; |: X# x+ b
let note 0
4 i8 l6 e* y1 d: Ewhile[ j < people]
; E% Z) y5 f) u4 l: B[* J; K/ Q# j; f
if( length (item i
0 E/ M" a" j9 x1 R. @5 M* W+ W[trade-record-all] of customer) > 3 )# P( T% r% o& g4 W9 e
[0 g3 m- E8 B$ A% C; P* ]5 c$ ^
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
' s `2 l2 l7 m% K1 ~' w[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]4 [( H. M5 f. N5 Q2 S
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
3 ]' ^6 D; S! p* v]
4 f8 A/ n6 c; c. z2 F% ]$ g]8 y9 c: W, d! N/ V6 G3 b4 L% G+ X8 T
set global-proportion note {1 Q. D' I/ k5 e
]
2 w r+ g; [5 F, w8 p$ W) D4 gend
* G: w# u+ ^& G' ?* f- S+ ?9 @/ v1 w
to do-trade( I% N7 I( L! j& r
;;这个过程实际上是给双方作出评价的过程
4 \( w/ g8 ?' ?. v, Q j+ Cset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
" Q9 ]$ N% _4 _$ D5 u8 jset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
. q( {4 m, k: }' S) }! ]. Cset trade-record-current lput(timer) trade-record-current
4 H$ O0 q! H' R;;评价时间
7 t% D; a3 p( @ask myself [
2 E; s+ `. P1 n2 B. C& |. M' qupdate-local-reputation n+ Q4 V* X0 k* y9 \3 i% N, u8 y
set trade-record-current lput([local-reputation] of myself) trade-record-current
2 G) G1 M; b% s$ A" o% }6 x], ?) a! {. X0 B/ G" J
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
. G3 s; i- e1 ?( e, p; \;;将此次交易的记录加入到trade-record-one中% m0 C7 ?8 }9 H! h; Y G' g7 U
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
9 t U$ R8 N4 Q6 elet note (item 2 trade-record-current )
2 P2 ^# Q/ Q4 r; {/ sset trade-record-current
' P" d+ [7 [' C# ?: \& l, S) W(replace-item 2 trade-record-current (item 3 trade-record-current))
6 F' Q$ G- C+ v5 F8 t+ ]4 Jset trade-record-current# d) Q! o/ S7 S0 F7 W! W0 b
(replace-item 3 trade-record-current note)+ P0 m' D$ c% z4 k1 {+ h* y
1 B$ }; Y" ?+ G% M& a
4 `2 W: Q3 b7 _: y! ?
ask customer [1 h! \- J6 F, v* F
update-local-reputation5 {+ F2 J6 R! @' Q2 k. W: P; N k
set trade-record-current
; |1 F! G4 E; j5 q(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
8 f) `% q' N$ N5 E q: x4 N. Y% M7 R4 Z]
7 S, x, y, s6 Z4 \' V/ ?9 x
0 j& M5 Y( s: w2 H5 w# K5 i+ i7 ?% N6 q; F
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer/ @7 C4 @& F9 b
5 s9 w' W: \+ F0 A& Xset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))' D6 x. \. }/ X# p
;;将此次交易的记录加入到customer的trade-record-all中! m/ [: p# c0 R" W
end
3 v; J& P, k% C( ?1 a, Z* L, J: W7 L! O
to update-local-reputation
3 Q2 e/ j- t+ }7 M% r1 c, P, Kset [trade-record-one-len] of myself length [trade-record-one] of myself, K0 q" ^$ ~9 G e$ k
+ \/ D: _1 }' x4 q- q) r1 [
. f- }" N0 ^+ S6 O5 r
;;if [trade-record-one-len] of myself > 3
( I$ S D7 H( P9 ?$ A! `6 xupdate-neighbor-total
' ^: q: w4 A b/ J$ [+ K" ]6 w P;;更新邻居节点的数目,在此进行
& G' N6 p( Y4 K% qlet i 3
" s. R9 H1 h) Plet sum-time 0- [7 P/ d$ h- y2 y1 e6 V
while[i < [trade-record-one-len] of myself]
3 Y) W E. [8 W% L0 `: Q[
4 f# T1 H! y- I# _% v& Rset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
3 R0 T/ x2 z- K* z. o4 C+ M" eset i3 x: o' l) P i5 v" h5 s. g' P
( i + 1)
% ]4 g a& ^$ `0 X8 }/ v]% b6 v9 E: V- D; O7 l" G
let j 3
. D# A3 m; m) K% ~, Y( \# Klet sum-money 0
9 _2 c2 [# h4 o9 h4 x2 Qwhile[j < [trade-record-one-len] of myself]
( a1 v% _ r% q[+ g3 X4 x6 s0 t& W
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)7 f7 A2 C! E! N1 [& ?( n
set j
+ f( m+ p: F3 n% Y( j + 1)
4 P+ e2 v7 q; J0 D4 v" x]5 ?" p, a9 Z* d% S; [
let k 35 J- u% D7 \5 U+ T
let power 0
$ W y, }2 P3 g( }7 `" R1 Ylet local 0
. P3 C$ l' _+ }* C, u* L Vwhile [k <[trade-record-one-len] of myself]
* Z! e$ }$ u7 S9 `1 `[
# D5 [. A, n* r$ v% Vset 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)
( P4 M6 Q b+ c7 t/ D" N+ m2 H; Rset k (k + 1)2 C0 z; X/ j8 v! P. B* y1 r
]
5 l3 z; Y$ B- K2 X6 r/ qset [local-reputation] of myself (local)
! S. V# }9 S0 O' {8 V$ ~9 m/ A; vend* j0 w" s/ t% d+ H# E
6 t+ i- S/ l7 \3 W
to update-neighbor-total
9 }! [- \! ?8 \- a% Y0 B# T+ n' W2 t1 r
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]( ?5 ]! [3 A3 \. z; X; O: u$ a
" }- P" m% K! ?5 ^. O+ }
$ l0 O4 m( L% tend+ K. x7 E' S: Z- R
' k8 t& _' ^1 e) x2 H2 G/ x9 A
to update-credibility-ijl
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;;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。8 c3 _* H& T S' o
let l 0/ l$ a, Q& n. D, D
while[ l < people ]# l5 x9 Y2 B8 M8 K
;;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
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
8 F) J/ T k( @5 S) ~. Q2 tif (trade-record-one-j-l-len > 3)
3 t1 e" T9 Z: w+ K3 O[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
4 {2 N& F0 w! V8 Glet i 3
5 Q u6 D& @# J4 i9 nlet sum-time 0" K9 T1 Z1 G8 J, Z1 ~2 Y
while[i < trade-record-one-len]
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# ~0 P* d9 L$ L& @# i( t, N3 J& \, _set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
7 H. `/ a. P2 `: Y* F' k) b0 C" c' sset i. G5 l% v0 ~6 u7 m/ y
( i + 1)
Q6 ]0 X3 x5 {, W7 h]
4 `3 I3 [! a$ I& Y; Dlet credibility-i-j-l 0
$ z4 M0 d8 M) j;;i评价(j对jl的评价)
" m% h) |' w k0 olet j 3
+ l: l, O( v) F* I# f) g$ Flet k 49 O7 y! Q. I* p( E4 b5 [9 k
while[j < trade-record-one-len]
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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" }' ?+ D* k( x+ g! r
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)5 e2 g3 ?8 O; A
set j
' e9 b. F1 h( O/ \: q( j + 1)) [/ d7 t8 Q6 y& g W: j
]. K$ _+ Z$ ]* o& e8 R/ D0 ~8 z/ 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 ))
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))7 Z" G6 c4 G0 T& {
;;及时更新i对l的评价质量的评价3 l9 h! H# S" Z
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]( v+ f4 M) H6 q" ` e% R
set l (l + 1)
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9 ~" m; k6 d3 @end
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to update-credibility-list
$ ^$ F; p( S& ilet i 0
2 c# s2 n6 p) pwhile[i < people]
; j1 p- x" G* ^. Z0 K: @[, c5 v7 K$ i g. Y
let j 0
/ }: d+ W y: q) Rlet note 0& U9 }1 s1 Y; L3 T
let k 0
; |0 o, @; X. O8 y( s" T. x;;计作出过评价的邻居节点的数目
# d/ M& ~# {+ {$ `while[j < people]
. L* d. ~3 k5 V[
/ E9 n! I7 h; L- x: oif (item j( [credibility] of turtle (i + 1)) != -1)
! @: R" f1 v. f- V) r. [, M. m;;判断是否给本turtle的评价质量做出过评价的节点5 W, }/ t4 ~) A
[set note (note + item j ([credibility]of turtle (i + 1)))3 u) q( w; E# p6 {+ `
;;*(exp (-(people - 2)))/(people - 2))]
& G0 v6 c( O2 Sset k (k + 1)2 t0 E0 \+ l: ^6 r. t; V
]% U$ S4 S6 a2 l7 v. P' K3 s# i+ u
set j (j + 1)
6 O4 N6 N. F- z3 U]
( p: d% l$ a$ w9 G5 [- Q" ?set note (note *(exp (- (1 / k)))/ k)
- V! C; W2 B: U4 S9 rset credibility-list (replace-item i credibility-list note)
; @3 l8 O( i2 Q& F6 }' Gset i (i + 1)
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end
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to update-global-reputation-list) W* o8 \/ f( O* f* C" g
let j 0
3 [& W/ j9 u; ]; qwhile[j < people]
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let new 0* S2 F+ l. @3 L) S( F8 g# B6 P
;;暂存新的一个全局声誉" t, B2 f$ {+ Z* h& @
let i 0
7 B0 F% \* x4 f! U8 Plet sum-money 0
8 N y1 G* [) n' b6 glet credibility-money 0
8 H; M3 o4 e; E# I2 H, P7 Jwhile [i < people]/ {- k# ~. p+ ~8 Q
[
# L" Y4 t, C+ R; p+ o3 {' g, Yset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
9 I0 r' q# M0 e! S9 fset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))3 K5 M+ J O: f! S* S0 o( B3 G, S
set i (i + 1)8 H! `- L \$ q
]
; v1 Y" Q2 M. V! Y6 i4 Tlet k 0: l2 s4 O) w; w0 ~
let new1 06 B& h7 m) K8 |8 i& x8 h* x: @
while [k < people]
) f+ E7 i4 j$ Q1 p2 g7 P* c[
( M; H3 Q+ U+ q& ]& zset 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)4 ^9 S! T0 r) B3 d$ U& `2 j
set k (k + 1)
5 \! ]5 {9 h) [! I V$ s]
$ i |! x* h# eset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
% j4 A# R' Q7 _8 M7 w [set global-reputation-list (replace-item j global-reputation-list new)
( P. m' \" @ w9 kset j (j + 1)2 z2 }5 P9 s$ D2 s
]& W0 U1 g$ r, g7 ?! n" b: i
end2 `4 O& e! E/ D) s2 h
D1 o6 k- F& R. O
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to get-color
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set color blue D1 p8 g2 U1 W( Q$ Y: h& |
end+ x' W( K2 E! h! x7 X$ g: b
6 Y" n( _9 D: U% ^$ r, Lto poll-class$ Z' p. S# [) c, h
end
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to setup-plot1% N6 _3 z. D% a8 c" _
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set-current-plot "Trends-of-Local-reputation"4 j" B3 u: e" @2 q1 d) M p Q
+ d. Q+ ~) ? ?8 K( l* Q
set-plot-x-range 0 xmax2 T9 V$ V1 C" X% C) ?' s+ z* z6 M
& l6 f9 P5 n. b
set-plot-y-range 0.0 ymax
& U3 f& O( d/ B; C4 I$ p9 {3 P$ Y- ]end. E d1 f- J* `0 E
5 Y; o" Y: R% p8 h7 xto setup-plot2
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set-current-plot "Trends-of-global-reputation"
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$ K9 n2 Q# | D7 l# Y9 T' Xset-plot-x-range 0 xmax# x* x: Q6 \- ]. Y3 ^
9 z' k1 x: Z( e4 j! wset-plot-y-range 0.0 ymax
3 h4 J: E) X9 K6 send
1 u! [! r H6 j
4 B0 V: _* I- O; ]& j% wto setup-plot3
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set-current-plot "Trends-of-credibility"
1 e4 K( w$ b5 ^* s4 C* [, v+ H* s7 ?0 C% {( [7 u4 A7 l
set-plot-x-range 0 xmax) o& y9 x5 {# s
+ {2 U' V. ?$ u I6 Zset-plot-y-range 0.0 ymax
# [3 t; A; z' y6 Pend) D! w" u- X( ]0 M2 d
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to do-plots
+ y! ~, _9 g+ Z3 u) bset-current-plot "Trends-of-Local-reputation": l8 s; d% L5 F
set-current-plot-pen "Honest service"
0 l- `3 Q) n, f- ] c' Yend) x. t1 f+ Z1 }0 [
- R5 v \0 M# [0 T[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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