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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0 q5 F _" H$ G
globals[! Y' Z7 R/ _+ z t1 Y& L
xmax
4 w i4 @, f4 i" F1 bymax
- \* U5 e/ h# b Q' r" w$ n" H/ iglobal-reputation-list
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( _4 r4 I+ u' W; u;;每一个turtle的全局声誉都存在此LIST中
: k& J& i* q! }; L# Q, v( p# fcredibility-list
h. R/ o1 }- l) Z! ?;;每一个turtle的评价可信度) j+ R5 H# R. s2 z) q$ B3 `# w
honest-service
. E1 v! c7 V! I' `! Sunhonest-service$ D5 G+ G# m- r( r! A: b
oscillation
6 z% a' G: k% m& brand-dynamic
5 M# J' ~4 Q" Y' E- H' |]
2 X& |' Q4 Y0 J' y6 \3 W& ~0 q# d0 W$ _, `$ u4 x2 ~& _' Y' l+ b
turtles-own[& d: m0 r l7 A+ g
trade-record-all
/ O |- k' f3 q; z5 [;;a list of lists,由trade-record-one组成3 D/ I9 r9 a; f8 i$ |
trade-record-one
% m2 {7 o; g, d7 I5 R& q {;;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 B( s) n3 Y( \; r5 { [
" f1 p) m% \6 d1 j8 ~;;[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]]1 X+ o+ U. k. S* [0 y2 D. q; \
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]9 g# z s5 [3 U+ g# m8 t" K2 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+ t0 T/ S2 D8 Q& Y0 i
neighbor-total
- `1 z9 {2 v+ ^;;记录该turtle的邻居节点的数目& j4 e5 J# D$ ]7 [
trade-time( G, P& K% s& A; N/ ^
;;当前发生交易的turtle的交易时间# Z8 |# Q8 ~7 p& U; d! K& G$ T
appraise-give- f% N7 A1 |8 f
;;当前发生交易时给出的评价
4 Q: o" D* B% g1 I# sappraise-receive& p; H1 W9 H. i. d6 ~2 F9 h
;;当前发生交易时收到的评价
2 J' Z9 I' _+ h3 o+ Yappraise-time, W1 c( \; n5 m% a3 w% W
;;当前发生交易时的评价时间
: k4 d+ _" @3 V! _1 @local-reputation-now;;此次交易后相对于对方turtle的局部声誉2 K' U/ M, Y/ U- D8 O
trade-times-total" p0 q" G1 E# X
;;与当前turtle的交易总次数7 e* Q' E5 _5 u4 m
trade-money-total9 m |& Q6 M; T7 ^1 L0 A$ U: c$ T8 f) H
;;与当前turtle的交易总金额7 d7 k' n' A1 i- V$ E. y
local-reputation* a! a- o( B1 h$ [
global-reputation
+ y5 s& Q0 j+ g* A" Tcredibility
3 u% P3 e: L C. V P/ J;;评价可信度,每次交易后都需要更新
, r4 D" g" p6 A' S3 I% [# vcredibility-all
: y& u9 W. u' L) |;;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
* ~1 T4 I6 V* v% D- w* a; j8 ~( M5 T' \) \4 L
;;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( L# Z4 r& K0 m# X' Y
credibility-one5 L, h9 ]5 d* l" e# K% 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* C6 {, i, I; B. T! F7 q$ q
global-proportion
# H* ^" R A! G+ [1 Mcustomer
7 ]+ Q% M1 N U* C5 icustomer-no& r+ i; K' F5 l: }
trust-ok
5 v u0 D: ? l$ o6 }trade-record-one-len;;trade-record-one的长度# D! P" g% `7 ^) X8 g1 Q/ c
]5 t" T1 L& v7 d, C
3 A0 q, h0 x1 [1 F
;;setup procedure0 v5 ?5 w3 C1 [
$ u# r6 T& Z) x4 U
to setup9 J$ D" ^8 t, U% G w& A
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ca
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M7 L6 y3 B/ o: a0 e- X' pinitialize-settings+ R' ^! t: M, O
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crt people [setup-turtles]. H- ^6 ?; M' P6 R9 m( D! s
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reset-timer
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u$ ~( ^( h, b: [1 R2 q3 qpoll-class( J% Q. R$ x1 j# o+ f3 K
# z; Y, n- A& U" G& L' a' l, gsetup-plots* D8 E2 Z1 u, W" P9 q/ r
3 B( A' s) O i$ q L; |0 x" W
do-plots
8 i% m+ a! d' |+ send
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to initialize-settings6 A' O& c7 U& `$ j i# Q
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set global-reputation-list []
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set credibility-list n-values people [0.5]
p4 x q( X% f* F6 \9 K6 J
+ J4 v$ d' D2 m* ?4 ]/ Q1 aset honest-service 0" O) A) Q; N/ N- e4 ^
% S7 f4 G5 }7 K5 L X
set unhonest-service 0/ ~3 B, f8 p1 v
0 S4 |) ], r/ }
set oscillation 0
0 K1 L1 r) b5 O" Z' t
% V; ]% E" Z3 F. D+ d: wset rand-dynamic 0
9 o# j8 b5 N4 c( N- M3 X5 Pend1 G5 `) B- Z9 x/ G5 ~5 s2 b
- |. b0 i `- I% h3 j% v2 f4 b
to setup-turtles ' ^# P' a4 \ G
set shape "person"
2 j2 t4 |" R3 S, f& X5 @3 a: Dsetxy random-xcor random-ycor5 j- H" c8 z) x
set trade-record-one []
4 r6 A" G# L5 b# Q! G$ u" B4 B$ b f2 h8 B, J3 d0 Y
set trade-record-all n-values people [(list (? + 1) 0 0)]
$ |3 G$ v; G; v% p s$ d7 e$ c( |1 t: g" j2 K9 A( F& {
set trade-record-current []% z6 \! f6 e( C) m5 j
set credibility-receive []
3 Z, \ j% |- w& r, R# n ]set local-reputation 0.52 j- c; P0 E o& t1 \
set neighbor-total 02 p& Z- h, w0 S' E2 z
set trade-times-total 0$ q( U/ P/ j3 q9 K. I5 r# E, f
set trade-money-total 09 q9 R6 V2 a! T" S2 B$ o4 l
set customer nobody' ^* `, U; y7 T% G, Q3 W
set credibility-all n-values people [creat-credibility]
7 l" @1 a; l7 T2 l ?( iset credibility n-values people [-1]7 D1 t: o9 G. |4 K3 U6 w
get-color# }6 ?# w% q7 }% [" v$ z( p& c2 v
5 Y. m' h1 d B: K# {1 B( w4 u
end* Y. x- M* D* ]) V! J
2 {6 U& ~, c. B; j( g/ ]to-report creat-credibility
1 i$ `% T6 G5 {' F2 Freport n-values people [0.5] i3 j( Z5 P( U
end7 L& a ~* r* \5 o8 H
* l% g) `* I! y7 o" l
to setup-plots
/ ?. }% F+ ^- ]' _8 [* w. u
6 y* z' z/ @+ S: Xset xmax 30! _: I/ y3 N& _. [. m. Y0 W
}. ]* C4 N5 {$ K
set ymax 1.0- m2 `( ~4 N m- |" g/ ]! z
; Z4 n9 |0 h0 V
clear-all-plots" _' j/ f% R3 i4 X# W4 r2 }
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setup-plot1, p) J8 r/ M* c+ z
5 u3 ~; l Z/ Q) j: y# s
setup-plot2' C! s$ j. C0 [
0 i3 z" i: I( _6 v5 ?7 _
setup-plot3
8 Q' A0 e% |% r1 g% ]+ G) vend& `# Z& N. i( P& X+ V" |: u
. p0 i: R' ?5 \5 d% o3 ?
;;run time procedures
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to go
% b& n" s! j N, |" Y$ t
! @2 q! K) \- f4 p0 vask turtles [do-business]
' G5 p$ W7 H5 A0 |8 uend
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' s9 d4 n, ]! wto do-business
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_+ B* x3 W$ U! K1 R- @
) V6 L7 {( H) v3 m. \rt random 360# }. T! { o/ t7 }$ j$ B
' ]8 ^. i1 [% j8 `/ P
fd 1
z5 [. I5 r" _4 f
; k/ b7 _* R! C. \9 m+ x' Yifelse(other turtles-here != nobody)[
/ Q; u+ Q7 y% }
/ N6 ~4 x# M3 z: Iset customer one-of other turtles-here
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5 U& X8 |# E* b/ A8 y; i;; set [customer] of customer myself/ V. ?7 R m! v3 [ ~" T0 c! {
* r$ ]( I; y6 V% K& \9 J# Bset [trade-record-one] of self item (([who] of customer) - 1)1 e7 L# x1 @, z" s& h
[trade-record-all]of self
0 A# Q. `: q+ J0 t- J" v% c! u8 a;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
$ M, ?. j) p3 F( Z' t. j% C; k ?3 h+ d; g7 c% `
set [trade-record-one] of customer item (([who] of self) - 1)& [) h! {' x! w' p! H) ~
[trade-record-all]of customer
$ O' w- x5 Q" b3 p7 b8 O2 b
( b# i; W3 s% G3 Q* d+ Yset [trade-record-one-len] of self length [trade-record-one] of self- ]; q# c! ~# |& ^; S1 d$ E
% H+ t2 E4 M5 w% H
set trade-record-current( list (timer) (random money-upper-limit))5 Q9 |; Q, `. r8 i) S C: k4 O
d1 h- w9 x9 j
ask self [do-trust]6 T$ G( n" T3 d* V+ n
;;先求i对j的信任度
5 ]/ o% E4 ^1 D3 ?& [6 @& |4 X+ }, e H9 U+ _% @
if ([trust-ok] of self)
9 d" N* W4 r' R& N8 R4 ];;根据i对j的信任度来决定是否与j进行交易[1 }& ]" _- e5 Q5 `8 H Z% F6 v5 X
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself& R, E' Q+ U6 c
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2 U8 E: P" m5 i3 B) ?' U4 i
do-trade5 ~, V4 K% _0 p( a8 r! J( j2 |
+ Q, t5 M! a! `: mupdate-credibility-ijl
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update-credibility-list
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$ [2 _# u7 i& b0 ~9 R+ J/ ? i
update-global-reputation-list
8 R+ R& p6 P: R( I: {
0 E( J) h- K2 s& R; [poll-class* P! [% [: D1 w' O' g; @
& F* t' `( u; F; V0 R, I5 y; i
get-color6 T v( M' I& |4 F8 `4 e
% U6 z. y, j0 o$ h. S; C5 l]]
1 J6 K8 B& m/ d0 I5 C! k9 y% K- i. h! q* ^: T1 c3 G( `
;;如果所得的信任度满足条件,则进行交易$ s. R9 L1 v% Q6 Y) t! A
* \0 `% C+ z- t, Y[
% C' M( N- b. N! ~. q0 V/ \& }4 S( h5 a, ?; W {
rt random 360$ L0 ~! z+ t1 ^; T/ a
( ~9 j; y" k: [( ^4 W6 G5 R( X/ `
fd 1
9 [' _1 x' v4 f, p6 t8 w. U- Z- X4 ~$ C& h
]
9 T* D( }& W3 k; @" y* q3 R* [- J* Q3 h2 f' a
end
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to do-trust
+ T9 X# Z* M& @% P' M$ c5 z i. [' Uset trust-ok False# H8 j. [' H% j. F$ ?8 ], ~' |2 x
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+ R, F) A& Q- D Z5 v( x p
let max-trade-times 0! }" _- \1 W' K8 ?7 _
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
, G2 M/ x) W" `let max-trade-money 0
) E5 n, O) {9 g% \foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]9 k2 v" I. |3 c& p( `" s
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
. _+ ^. |4 U0 _1 k' C/ `* [9 G9 P# V" z+ J
6 D: h3 p9 Q6 D: y$ O; Jget-global-proportion$ x4 t; r1 I; d V3 \' l {
let trust-value- T7 X& S2 y* h4 ~1 F- B
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)
; @/ Z0 I; r8 B/ i) d2 oif(trust-value > trade-trust-value)
# U# L2 L! u# B9 o. F[set trust-ok true]# v. e6 r6 j7 o
end7 U1 A& `8 D3 I% A3 K
. i9 m" G* h3 @) bto get-global-proportion
# p7 k/ O% m* |6 O! lifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
; z% [5 s" ^5 l[set global-proportion 0]0 t0 c- d5 _# j/ C3 [% n
[let i 01 p* @7 m% U: Z) y+ a$ | B
let sum-money 0
# }8 b& _0 w9 i2 B% j$ n3 `9 Pwhile[ i < people]* H1 X8 L' D5 Q' p; C1 M2 g: c; ~5 k
[" Z7 l7 g0 c% P1 Y: W& R/ U( A4 W
if( length (item i5 @4 b' D1 l {0 t/ r ^! ~! J' N
[trade-record-all] of customer) > 3 )
) G( F( C% ]* C0 K[
: i5 i- N [! r. c( l1 Hset sum-money (sum-money + item 2(item i [trade-record-all] of myself))7 b2 F7 y- }& c; m5 n e% W
], {/ Z+ `2 u4 r4 j0 w p6 B
]: C* p9 O$ c) Q9 ~
let j 0
; I E5 u n+ g; r4 w' G( o5 xlet note 0
4 U2 z7 ]6 l$ D$ Uwhile[ j < people]7 \; b: b- g8 [( {. o
[% s* Q5 b/ d0 o
if( length (item i
0 a( X& F9 M: X( q& X* Q[trade-record-all] of customer) > 3 )4 X0 E1 o3 q+ H+ y) L' L& h, ]
[
3 ]* }) |9 L. C7 `& X5 h: Hifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)* @3 L& N& H& J$ a# m% |3 j5 }
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]% k, X9 l3 [; p. f2 K9 k7 p4 Z2 T
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]8 a _4 ]2 I( t$ L+ \8 Q+ g0 ^4 @
]' v- u. d9 ]) ~
]
; D6 k8 R. d5 c$ g; }; ^! _set global-proportion note# v) m0 k7 J; G" U& u! `# b; ~# z
]; U$ u& n- o: ~. j
end9 _" L9 b/ ]* |3 g f, W
) G: A A" s- ?4 uto do-trade( i! A% B; T+ C& ^& c
;;这个过程实际上是给双方作出评价的过程4 w, U! i+ E }$ O1 L* ~
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
9 ^3 _+ v% ]0 o: Nset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
' q& I) F* J: Z% v" t0 Dset trade-record-current lput(timer) trade-record-current
9 k* l- @: R- Y3 b;;评价时间3 N1 }, C7 [2 t T( G, T( L6 X) S' ]" ?
ask myself [* p8 [3 A* Q7 m
update-local-reputation
, `0 F/ G$ b% Eset trade-record-current lput([local-reputation] of myself) trade-record-current
! K) i" o& J9 I* I( t" C6 \3 z: V]
. z: o* e+ V3 E8 D# h7 w9 A& ]2 c2 Bset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself2 c" S8 S" ]/ @
;;将此次交易的记录加入到trade-record-one中
( g; O5 G0 d8 Sset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)) F2 R* q! c( `" G4 P0 b% u
let note (item 2 trade-record-current )
1 c& o. W% Y. J1 b6 bset trade-record-current
8 w4 h% Z0 _" F, J(replace-item 2 trade-record-current (item 3 trade-record-current))
9 Z* x8 x1 L$ T- L H4 r3 _% vset trade-record-current3 \9 X( a6 w8 H- `- F. e
(replace-item 3 trade-record-current note)
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0 B/ N8 G& S0 @) x" ^3 \6 a4 R4 d" o8 [ p5 u( c% y C9 S3 T) b
ask customer [& k- g/ \: u$ ?: N. `( `% c, H3 N2 W
update-local-reputation# H4 Z5 a W, U) b9 q5 p
set trade-record-current
$ ?/ H# B7 D: |0 s& o7 ]8 {(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
5 c7 s. ? Q! S, W: P- L' Z7 @/ `]
& j# e/ E/ {# [- b5 b8 x& P5 A6 a3 d! o$ x2 |+ k
3 S9 r% [+ a) h* u7 t6 y( |
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
3 S1 R& Z V+ [ P9 X! ?: i" y7 F7 w# ]* K0 P/ v
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
8 H0 Q+ W1 t7 [) t) r;;将此次交易的记录加入到customer的trade-record-all中
/ y- E1 c' W1 w; [end* u0 z e% b2 v, Q) i' t
2 e: L. r# T* \6 tto update-local-reputation
, B* J# Y N; eset [trade-record-one-len] of myself length [trade-record-one] of myself
4 q- p& W. z y' N: r6 H/ E! y7 }6 K0 N
5 @9 ?9 b1 i1 @; _;;if [trade-record-one-len] of myself > 3 3 w1 n1 g. h' E/ f' b7 w. Y' _
update-neighbor-total
& t/ K# m( u! v. X;;更新邻居节点的数目,在此进行
$ k9 i' @# G/ I9 b0 G& Jlet i 3' C. Q; u0 ^, Z! z6 E
let sum-time 05 h& Z3 D; t5 p3 v
while[i < [trade-record-one-len] of myself]5 f# w' J# Z( Z4 Y
[! z# `: X6 n9 J; T
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )% G% U" _% a% F) _: q6 l+ ^3 O& e, a: R
set i8 x2 f2 `# T- x" L) @3 `# [
( i + 1)& N2 Q* j. s0 A. {* h; {
]6 F! V- v7 v' m
let j 3
$ S" L- w; c4 _; K+ r- xlet sum-money 0
$ v5 D5 h( M( l1 Q, Kwhile[j < [trade-record-one-len] of myself]9 l: X3 E. B8 @9 A [5 n$ x# `7 V$ P
[
0 H7 Z1 i! O3 u" N5 E8 w+ C* sset 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/ h7 {& J; k+ T0 K2 ^8 ^
set j7 W1 l, }) B+ i8 C- K
( j + 1)
0 g0 R! Q( u* k2 l9 S: z9 s0 y]
9 @8 z( A |+ E$ I! j2 t2 jlet k 3
Y; U7 l* w% ?$ Q# G# e) I4 U1 ^& Flet power 0
3 \7 Y$ I& N8 l" Y9 o/ Z5 alet local 0
) E7 U8 ^9 |2 q0 a) ewhile [k <[trade-record-one-len] of myself]
/ x. y4 |/ q4 S9 B N- {* t# y[
2 k3 L: w3 f1 y- n% Aset 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)
/ P7 ~* h3 `! X% k9 k- @3 Hset k (k + 1)( ^+ r0 @1 J# B5 q- d1 Y& b2 T
]
3 a5 _$ `$ ], r: C4 xset [local-reputation] of myself (local)
" i e. c# X( [0 b3 d- K$ x& D- f3 I0 Tend
7 e5 V+ j3 v8 D' d0 D7 v5 g& i
/ O- W. b" J) o7 Nto update-neighbor-total
0 ?7 X `* a; F& D2 | U& O/ c: J
+ |: b0 Z- Q- \. hif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]- E9 g \* j0 P
1 l9 ?5 E0 |' _( N( P2 q
9 l8 {: [! [0 s+ S
end% j% K! Y D7 S$ n- y
% B, O2 e p7 {# F9 M6 g# Ito update-credibility-ijl : E& _" l, \, L' P3 B# X7 [
' N. v, {1 Q9 n;;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。
) v! o4 w% g* ]# ilet l 0: p8 V$ | H2 | S0 L8 f
while[ l < people ]) e, |# B' w2 f. t
;;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 w5 k$ q: n- x1 o9 }7 l" @0 Y
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)3 i: F/ O2 Q$ r, x" s
if (trade-record-one-j-l-len > 3)
2 ^- v0 n0 l7 ~' P# l( n[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
9 I# d; f" g$ I, \: g( r8 y! q9 Qlet i 3
9 C6 u( s: G5 j6 S- L8 elet sum-time 0
& O- ^2 E: u* m2 `% ]while[i < trade-record-one-len]
5 c7 u. m3 }3 N9 k( k[
; |+ p# y$ o! T. c+ {& zset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
- |% h; [0 t0 _! h7 xset i8 x9 F: U& P% B- @: W- F
( i + 1)
% |! C4 |2 H$ }+ Z0 C' []8 D$ V* `) E0 w( G. s# w+ C
let credibility-i-j-l 0
* d/ O2 z$ J2 @, z- h;;i评价(j对jl的评价)
: Q5 t7 p. N# h& f0 alet j 3% D& |4 p9 a; T
let k 4& }5 [+ W2 a O+ t% X, G0 `$ L
while[j < trade-record-one-len]
% p: D$ A- S2 ^% V! t2 Z% D. x[
$ X- G2 T* l! R& d3 A! nwhile [((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1 y& [: {) r) {, v/ Q2 m
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)0 j3 _# r& ~7 _1 B- Y; O
set j; h5 s( }( |/ a0 H
( j + 1)
& a7 y7 |6 r$ s6 h]9 J/ s3 X1 [# m' L+ ]1 O7 t) P
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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^: B6 {; E L w( |7 ~7 M* A( G$ ^: e0 _let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)) |! N3 T$ {" x8 B
;;及时更新i对l的评价质量的评价! e6 V6 H8 L& M
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]0 o2 ` \4 b1 A, N) Q
set l (l + 1)# t) u. t8 e+ V+ S
]% s1 S5 B8 C0 m# T" I; |
end% r; b6 E9 _* w- m; w; i+ B1 w
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to update-credibility-list
+ d( z: n p, f0 Glet i 0
$ r" i" y8 y) X" J& m- W* uwhile[i < people]
% |( J/ i" b! t9 u, z Z- s[
t1 n$ L9 W% I k& Z( qlet j 0& q2 z6 L8 @9 X0 g* Q1 H
let note 0- K' ^! V& K; \& g/ b9 t# |
let k 0) e0 }- e: K6 d# u: |- [
;;计作出过评价的邻居节点的数目1 {8 N/ H" _7 |: _
while[j < people]
- K8 B5 }9 M& Y6 _. b[, `; O3 \" u$ y. ^
if (item j( [credibility] of turtle (i + 1)) != -1)
; N5 ]( t+ K6 _% e5 o;;判断是否给本turtle的评价质量做出过评价的节点
* x3 u3 X5 _' @: H[set note (note + item j ([credibility]of turtle (i + 1)))% I5 o9 ~$ y" j$ a) W
;;*(exp (-(people - 2)))/(people - 2))]6 J1 c, ~- @ A0 Q# b. _' u9 E
set k (k + 1)
\! P+ {" I+ d; S]
' |2 a. x. l& Z2 M" {( Eset j (j + 1)
/ B) u7 r. _" m2 m4 @1 q- \]
8 Y/ b+ W% A2 T: ]" V2 H- {" Gset note (note *(exp (- (1 / k)))/ k)
. }* }* n+ q$ {set credibility-list (replace-item i credibility-list note)( p | U+ f/ U o6 Z) a
set i (i + 1)
& E1 M( L" R/ V+ ]- R]
" h; c8 C9 n# \- Iend
6 \$ q6 e/ ~( Q
Y2 z- Z& |$ _to update-global-reputation-list
3 o$ Q2 [$ G* \: hlet j 0
( X( I' u! _' r; d$ {# @: s( ?' uwhile[j < people]: [3 t9 ?3 F" ^/ y" |
[) }; q5 H9 ?1 _& K/ {
let new 0$ v3 z, O) z- `0 ^, c# P5 }
;;暂存新的一个全局声誉/ I# Y+ S P2 p* u3 i# I! e0 I
let i 0: ]) N, T/ b* P" \
let sum-money 0: \! Q* x/ N+ a, K) d1 w/ ]
let credibility-money 0
. G- x+ b+ S/ @: C: iwhile [i < people]% W- v6 {$ O2 \( b
[
$ ^& M( o- h- J. Gset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))$ W! |; K& j" F7 G
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))3 _5 X! U r- ~$ f4 ]. V
set i (i + 1)- L% r) n0 Q! d
]/ u& U( _! L; N" r- \6 f
let k 0
+ \ V2 U7 [* |& G2 ^( w- ^4 zlet new1 0+ H3 K4 M" ~& o! H$ N
while [k < people]; W l7 z0 G( B4 V8 B$ R
[
6 _% s4 P/ l# W# 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); l) _6 [5 }: o$ a
set k (k + 1)5 W! `$ Y2 }9 k8 b9 E
]
& L% k4 {3 R1 j: i: Hset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
8 I1 a' d8 Y) I2 Z% ~set global-reputation-list (replace-item j global-reputation-list new)7 @, H; Z3 B% g# O9 o! w
set j (j + 1)0 @1 n6 G$ s' @6 E4 G' Z5 j
]
. e3 ^& J+ ]- T& I: dend
9 s, i' E" A) K% G" O
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; a6 H4 v5 X$ n
to get-color+ A9 p) Q6 F# n: t) b6 N- ]/ {( g
, O2 ]+ x- l5 _set color blue
# o1 t( e( \1 Jend; a8 [7 d$ Z8 G- e* ?1 T; m
u& u4 {1 E1 f& c
to poll-class
" [! ^7 `9 s6 u* N4 a5 J+ Mend
2 d5 c, m0 F4 A1 ]! q2 v9 v# \
* M2 u0 C. v# h3 g5 Z, Bto setup-plot1
. F( G( S4 _: l
0 |# R7 ~% ?$ T( T* gset-current-plot "Trends-of-Local-reputation"- G$ p. v" ] h' O
; ?! y- C' g' xset-plot-x-range 0 xmax
9 R2 a+ S: ?& _, h2 v9 f7 e# F# F, v
set-plot-y-range 0.0 ymax
# N2 {$ s, r$ [* Q$ y: c6 B( Y5 x& Pend
/ B9 d6 M9 c: H8 U a: ?, m( q8 Q( [ m
: q& t6 {, B) C/ p) w- Gto setup-plot2" Q; u. n7 D1 L/ l; P) ?! u' F% S
9 u3 t1 h* \/ d
set-current-plot "Trends-of-global-reputation"
! i2 a% N, S# X" t$ j9 \
! c& K9 C5 _/ G8 mset-plot-x-range 0 xmax [8 b _$ g0 `( c! l* u5 C7 \
$ y8 _% }* |* y1 N3 v" Hset-plot-y-range 0.0 ymax! l7 m6 m9 S7 T; ^* D1 \" m
end
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to setup-plot3
( V" F$ Q3 q2 f) c: F( I5 ]) o; [+ K$ o i
set-current-plot "Trends-of-credibility"
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. g$ R& x2 f% n6 f, N% p: _- Uset-plot-x-range 0 xmax" W/ T8 ~# @5 X' @# [5 G6 V
! }) {( a; c$ c. ^set-plot-y-range 0.0 ymax9 q! W% C: h3 E% C
end. P8 u; J9 f2 ~7 `' _" f+ L
5 E( Y, S. P$ U
to do-plots1 O) }/ r2 f0 X8 l
set-current-plot "Trends-of-Local-reputation": b; Y0 w& l* y5 a9 D/ E+ S! x
set-current-plot-pen "Honest service"
( o1 f% B' }0 i7 P5 [ }end
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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