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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
' g1 c0 e+ [. zglobals[
$ m- x8 T) Z3 B: U5 C) ^$ G& Cxmax
: t% ~) P9 f6 i* Tymax3 n% d6 ^ |( _ N8 `
global-reputation-list
% z3 C0 _. X# l5 V0 I6 p8 ~ D6 j* ?- c( o1 G- k. B
;;每一个turtle的全局声誉都存在此LIST中
5 W0 q8 R5 E. G. Q- dcredibility-list
) e1 n4 F$ c, V( {; @2 O; q;;每一个turtle的评价可信度
) R# n; R d: ?7 _" qhonest-service
! ~; ]2 u5 f" G7 O! O: N- ~$ N9 ounhonest-service
' F4 A; r/ n1 X. h$ e; Z9 Roscillation
) D% ^$ N5 V( ^# Yrand-dynamic
( X# i. |" a# ]6 b% b]3 D0 v. m7 B0 ~. R+ \
4 i j$ w) G& H. X8 q. U# k+ N
turtles-own[6 F) m- T( K+ P; |
trade-record-all' b+ Q1 ?, P: N; k3 z- o' [7 q
;;a list of lists,由trade-record-one组成
( z U8 Y& x( y$ c" L6 Jtrade-record-one
* v& A( T; e6 k$ J( [. ?: 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 `1 P+ X; e" ]% |; u4 f L5 H q
" g% `( ~: \3 h% ~7 i2 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]]7 ^+ i7 C- e8 Y" E7 z
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]
1 F2 g* [% ? mcredibility-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list0 \" H2 s6 U/ o1 L; k5 M
neighbor-total
: T# H9 M% g4 L" w7 ?;;记录该turtle的邻居节点的数目
, D$ P+ c- I6 i; H ~trade-time5 E* P4 N& p6 S" ]+ U
;;当前发生交易的turtle的交易时间0 P( P: w2 ]# q# c( ? X6 M
appraise-give
' F; I5 N" E, X+ j) p* G;;当前发生交易时给出的评价- `% |- L0 Z. C/ W% Q: }
appraise-receive% V7 q+ {/ [! H* ~2 H
;;当前发生交易时收到的评价8 Y# m9 j2 ^+ O0 R5 ]5 y
appraise-time: A% i: T# h; g4 }1 g
;;当前发生交易时的评价时间. `! ~% ^# J! D- ]7 [" `
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
3 y2 O7 Q3 P3 |# [1 o) \trade-times-total
! c3 @( [* T* ?( P;;与当前turtle的交易总次数1 `1 k t; w; u" D5 m
trade-money-total
6 ?* h; A, E l7 w `1 `) P9 g# ?;;与当前turtle的交易总金额' a2 h( S6 b6 U, K
local-reputation
8 U& y& u& r, P$ h& wglobal-reputation0 k+ d3 [) M, e; m: t+ A" o, T
credibility
" a" r/ k* T3 d" q- u- ~;;评价可信度,每次交易后都需要更新5 i* c$ B! A2 w2 R, q5 k
credibility-all/ O5 h; A( W, X' H/ \6 u
;;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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- P! M: {/ w; \$ Y5 U J' [2 U;;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0.58 F' u) b1 w' e: p# S
credibility-one* i, @" w# X6 m" H2 ?" c
;;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; H" J" x4 |1 q4 P% {3 n2 ~7 _
global-proportion
. Q" t+ A# n0 S9 }5 v& Ocustomer
8 ?, h' f/ M& ]: Qcustomer-no6 A# F! R" `" |, p: \
trust-ok' G1 V" w, R3 Q! `" p: J
trade-record-one-len;;trade-record-one的长度
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0 O! g" H+ @) N% m2 W8 }/ D) t. U" O- d \. F
;;setup procedure/ `! Z" r) Q$ h0 ^$ ?$ W
/ e' f/ L9 |6 M4 I+ d" qto setup2 R/ j& Z& c. |2 h# e8 [8 e1 e( H
: X, i) D. d: J# Hca
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0 D8 @: m- S7 C) ~1 z% minitialize-settings1 h g" a1 j4 S1 f) ]* _
" A `! v5 ~0 e9 w7 p" acrt people [setup-turtles]9 L$ @ p( X: a' W& U6 o
# B* W! d2 Y; y5 rreset-timer
, |6 j% O& ~0 C; o5 S1 g# s" o* B
3 s/ C- A% O. a# jpoll-class
+ Z& S( C! L, ~* E0 N E
! _6 s. L( d3 \1 o7 {setup-plots
/ ~- @- t7 p% ^2 f" r. \1 w& @) g
% g: k; h2 B5 `/ ldo-plots
' M K' ]8 ^7 }( c3 ^end
# R! v! A5 a4 r; H/ \- e- u9 ~3 `. x& h- h8 d! R" C) V9 j
to initialize-settings
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set global-reputation-list []% n9 g. t" ]. e" v3 Z9 q3 Y: N
! E/ {& S7 O W. z5 \% ^ N, Bset credibility-list n-values people [0.5]
3 {3 v# f' H) f$ p5 o4 _/ V( I! n0 ~) \4 W$ Y$ {+ ~( {9 M3 z$ j
set honest-service 0
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9 q8 U: f# l% i4 uset unhonest-service 0( V8 a' B0 t1 _9 z0 T2 z
& h# g: L) g- V2 [
set oscillation 05 v8 A* V7 c9 }' ^8 s: ]5 s
" F! o, z& ?5 k/ M4 e* Q+ @set rand-dynamic 0( ?0 ` O x) t
end2 T% u( @# w0 K* t. J' @
+ S {* g7 C1 H# A2 Eto setup-turtles
& j( X% ~) a7 C4 F; a# T, eset shape "person"
9 [1 s2 n% _2 _6 I. I6 Usetxy random-xcor random-ycor0 r) q5 Q/ {, X
set trade-record-one [], l4 C1 S- M7 Q; L3 ~
# y: R. T; x/ W' c! u$ \
set trade-record-all n-values people [(list (? + 1) 0 0)]
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set trade-record-current []* q9 t" m% Z# G0 @# d9 a8 N5 z4 p3 H
set credibility-receive []; z, t5 N4 |, Y! J
set local-reputation 0.5
6 p7 O$ |4 J2 ~2 ^; I. tset neighbor-total 0 u* P! R' g6 [9 r- G1 H5 ~* d
set trade-times-total 0
4 R" U0 t: G7 Z# T5 vset trade-money-total 03 _$ y8 L, U- ?+ B
set customer nobody6 n6 E8 {( B! Q. }" f' ?
set credibility-all n-values people [creat-credibility]6 P$ I) V# _9 `
set credibility n-values people [-1]
+ w* D& i3 C! ?6 ` V" rget-color) `0 |9 d1 L4 d) Z
A( Y! p1 m7 ?5 Pend
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to-report creat-credibility
0 T. h$ S# |- v9 z- _4 \report n-values people [0.5]0 c; T( J4 ^8 g: S6 D. o7 X
end1 F- \! \, G! A
+ g# |$ r+ }" U1 t1 R& j6 ato setup-plots
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x- D& u0 i; f8 ?set xmax 30* P/ A7 z6 C \* n" f5 g6 D' l
# g7 V, x$ B0 p
set ymax 1.0# V1 G4 z8 ?3 V d& X! Y9 d0 E% {
' p. w/ ]! t& s) H. u
clear-all-plots
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+ ^; y* _4 g% }& asetup-plot1# S/ A( k, L1 c5 E
: V& ?# y4 A8 R# r9 e4 c1 u/ u) \
setup-plot24 s# c: d* n9 \5 o9 V
7 g* b9 ^4 H/ J/ T6 t) S$ @setup-plot3
- B. o( R' t2 u" K4 g+ ~end$ k4 U, ?- Y: Z8 P5 D' _
' I5 B6 R* s! [
;;run time procedures! D# g Q: A c
, i* ?: `2 @. }6 \; F4 p7 _to go
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* A a/ y- }7 l) O6 O( n5 w# Q: aask turtles [do-business]
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$ u0 }# s1 A/ K, k! }0 I1 Q, M
to do-business 2 M+ O0 \; t; Q. D( V; T/ n
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8 }. D8 K' }0 D) l- `rt random 360/ V3 ?6 Z+ p1 m3 V' h/ l8 L
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fd 10 b% Z8 P! e' M" ^: l' ~
, r0 p0 Y2 k( Z Zifelse(other turtles-here != nobody)[
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j9 p7 c- \+ ~( _1 sset customer one-of other turtles-here
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" \9 w% Z2 \. j7 M;; set [customer] of customer myself7 F( m- Y0 D: x0 w+ k& f( w
$ x: `6 Q6 a; `: [- z8 oset [trade-record-one] of self item (([who] of customer) - 1)
9 ^+ x8 B9 L' t3 t$ }[trade-record-all]of self7 |+ M; V* f7 l
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
2 x# u$ s" A8 F& e( L3 \( x! P. S, ]5 A' I
set [trade-record-one] of customer item (([who] of self) - 1)/ L/ H0 q1 y; K+ g9 a; K
[trade-record-all]of customer9 @# b. F Q; D8 @4 l% f* \5 W
1 Y( Y6 \ E3 h$ O; n
set [trade-record-one-len] of self length [trade-record-one] of self9 D T& d Z$ h& y
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set trade-record-current( list (timer) (random money-upper-limit))
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ask self [do-trust]; @; {& v6 e! r
;;先求i对j的信任度. z8 h0 l5 |" R8 `, G
& ~& q+ \( @, p% Zif ([trust-ok] of self); F1 ?: Z! u: D. W: T* K
;;根据i对j的信任度来决定是否与j进行交易[" T$ i, O( k! w/ y, c# k
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself! ], D! o U' p9 G
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/ I! _* w, R% \' q7 U; k
do-trade/ O/ X7 D3 U" B6 s8 Y+ j
- K i' M3 P0 o$ Y6 nupdate-credibility-ijl/ P. @3 W1 Q& e9 o$ z
$ {6 n% a% I7 I1 a% E: g
update-credibility-list
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2 x. d: Z" L0 K* ]1 P( X
update-global-reputation-list
# g& H+ s+ V# c1 k: z
5 x, E3 L" p1 V0 Npoll-class
/ Y5 H8 U7 r7 T" W5 W
% ?8 }. H- ]) iget-color
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]]! S7 Y2 `0 V6 `* }0 C+ C
# q, k" W0 F) {
;;如果所得的信任度满足条件,则进行交易
5 C" Y4 b+ ]" l4 L7 _* U! V: U8 F( ]( p" `2 x9 E" u
[
& v, T3 \ C# y9 @" U' ?* ?( D% \3 C8 F
- Y7 F' ~7 s" D J: E# K; Trt random 360& u( W3 v$ Q' ]; B+ W2 B7 F
+ R" O. d) v; J5 pfd 1
5 [- ?; {+ Y; K9 r' G6 s
$ C* V* p0 G+ \( S]
9 M9 r4 s) ~: k9 ?" z* B
6 x* T' c5 ^, t. t$ [0 U) L6 Iend. _' C% A( b, ]7 V% r% R5 \
; C: g+ @7 a" p3 } gto do-trust
6 o/ u9 ^5 s. e" mset trust-ok False( `/ @. ^$ t9 W8 {1 N. R2 g5 T
; x. Q) W# b3 K5 k, K( e7 c* b1 [6 ~+ q; t" {0 q8 I1 W' M
let max-trade-times 0
; v" a7 U x: k5 s" T% kforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
0 k2 |& M2 I& Hlet max-trade-money 0" j1 z% Y7 ^) { x3 I: z/ c
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
: W! O$ Q6 o0 M* K4 Olet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
6 p$ d8 N6 Z, o: h. `. P
& S- q7 u$ m# m% W, Z8 }
( Q5 a* w% W& Sget-global-proportion
+ j0 l: f! a! K8 _let trust-value: ~6 W% _6 `- y$ A: b# U
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 m# k" D" ]' ~2 \! J& p* uif(trust-value > trade-trust-value)
/ a, M A' m/ e' t[set trust-ok true]
+ z/ ]9 T+ I. O+ m! l4 Nend
5 S4 P% S% \8 M5 f5 Z, h
5 E/ h7 ~& ? H5 M8 Lto get-global-proportion6 f) G/ Q! F3 ]
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)) h# u' r [% C1 o
[set global-proportion 0]
! J$ Y' a( Y+ s[let i 0
* J- K- S; b& m% {' ~let sum-money 05 c8 n2 `! @2 `- I
while[ i < people]$ \& A/ N |0 b3 N$ j
[) _" O6 G% y# n
if( length (item i7 G, u. i+ R/ l- R
[trade-record-all] of customer) > 3 )
$ @$ {% e- W6 h9 O* G1 u6 B[/ f9 ^, r3 ]0 g4 L) q$ Y
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
2 U* B. `# b- c [) r' r]
8 F; q+ w3 O, Q' a6 T9 {]& M4 `' k1 v5 U5 M" _$ O0 g
let j 0
2 E7 c6 c$ j* e1 g; Plet note 0
w/ Q4 Z. i( k* U( ^7 Dwhile[ j < people]) |9 `) {+ q) b K2 u
[! h; }( g$ J" F1 U
if( length (item i; P& n2 U" x5 @! Y! j# l
[trade-record-all] of customer) > 3 )
/ V' R5 O2 F" k[
6 I. p) A: n- u' B* Iifelse(item ([who]of myself - 1) [credibility] of turtle j != -1). t' C+ J5 y* {$ S! J
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]) b. l& l S5 K6 B- S. }. C- K# p( i
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
6 o4 [ d& `: f5 D% j# s]
9 q- r: x* N9 g# A], R9 n1 H7 }7 k3 ~4 h
set global-proportion note
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end
7 A% A1 P' `" o9 V$ ^
" u4 ^. n, V: P" `, r1 U! hto do-trade) \4 ?) H7 [8 C( `0 ~ ^; U
;;这个过程实际上是给双方作出评价的过程# R. F, Y1 ^: B0 L2 k5 j4 I
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价" G7 `; k- l- p; b: g% y
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价( }8 m$ H4 `) [
set trade-record-current lput(timer) trade-record-current: s% M8 ~* r; |; J- ?
;;评价时间1 }5 N4 M2 w" x( P G
ask myself [9 g J6 \6 I+ L* A7 Z
update-local-reputation% | M* e6 a- n" D- o* L
set trade-record-current lput([local-reputation] of myself) trade-record-current
8 \1 |8 F& ] K9 j) _, p& n. W) }]( @, W/ S3 u' A
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself, M6 w4 k8 x1 J9 M3 [0 g7 P
;;将此次交易的记录加入到trade-record-one中4 c) R- b0 V2 h
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
: _5 g7 q6 G+ t2 |7 P1 h/ x7 Elet note (item 2 trade-record-current )
" d8 d9 n. V4 A% @: Rset trade-record-current
1 x3 |1 b" M5 @! E" [(replace-item 2 trade-record-current (item 3 trade-record-current))1 r0 X; D5 y m2 b' D
set trade-record-current
1 A; K1 T0 k0 J! u- s& n(replace-item 3 trade-record-current note)
* i$ T+ c: A7 f9 r6 r# p8 C( D% v' A' D7 A
2 L! o7 S- ^, W; N$ B4 r: W; task customer [
- e% w" R0 b# o( \update-local-reputation
0 L* Q& E C; Y$ ^0 ^9 Z* ^ f) ?set trade-record-current
# `$ U( A" O" X; Z9 Q(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
x# H) V" _- s5 x% a]
- J) n- q- y r+ C# J9 S% J2 b
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{! g) u% a; Q! w0 |8 |set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer; f8 A! J* B# H' |6 h- ~: h# X3 V
9 O) F" r! |# Gset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
4 q/ B. {# W( c9 R* T;;将此次交易的记录加入到customer的trade-record-all中1 P- @9 b1 y6 \; v* f- a
end7 S/ K ]. x" a
2 F6 _ m* S; B z) Wto update-local-reputation: L3 O7 k- |7 Z N
set [trade-record-one-len] of myself length [trade-record-one] of myself
) X3 l- v$ u( v! F$ \8 v: b
; u# O5 n) N2 d( T( t* U: O* G& U( E. m5 F+ i. J; Q& s0 o3 B
;;if [trade-record-one-len] of myself > 3
- R" e) T. S* F# ]update-neighbor-total! [* X% R6 l4 c
;;更新邻居节点的数目,在此进行- u* F- V+ ?" W2 C
let i 3
& C- c0 }) Q4 alet sum-time 0' x: ~$ F3 E- q9 G+ l
while[i < [trade-record-one-len] of myself]. A' p+ {6 y, y- C7 |- v
[$ r9 ~' b* ?- w, |; M
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )' H# A0 f+ ]& X( O: D9 u
set i
t: B; Z% V( d% v1 R2 |: H( i + 1)" q9 X0 \8 G* q/ Y9 m; @
]$ }1 V/ D+ W& H. }3 G
let j 3
3 i+ K' k( Y0 o5 Q" R2 vlet sum-money 0% ^* q$ k$ d0 n* ~5 o8 {* i
while[j < [trade-record-one-len] of myself]: X( ` k! e! x: w
[) B* r n; S7 G4 ~
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)
& ?) {* E7 t& A+ l. N- dset j
8 P8 C4 o! W9 _, K# m# C1 E( j + 1)
1 V$ S- F7 t1 G$ f) a/ x8 I]
6 a- N6 q) i1 S( g( b- S8 g: tlet k 3
) V* s) {3 _, x. Y+ D- Plet power 03 |! E8 G n1 I7 o% Z
let local 0
/ `+ [, D; V) `3 dwhile [k <[trade-record-one-len] of myself]
5 j: ?. v( W' O/ M7 A+ ]5 O[& U& Y [( E$ N9 }5 ?9 \
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) $ x- Q% a5 y7 E& j9 V, ]$ g
set k (k + 1)$ D8 j" n9 M. I: t
]
6 d$ t. `* B$ a' ], ^; qset [local-reputation] of myself (local): d4 a' I: u J5 B
end
! Z3 ^3 ]5 Z( a A, M% ^
4 n. B5 [# {. T% e4 L* E. i2 O3 bto update-neighbor-total2 P5 \1 J* X/ g4 }( q
" d4 i) N3 f c$ h
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ] [* q/ j$ w3 J8 ]
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% h2 U2 d, U0 t1 Lend- i- K% k5 C1 E" N3 x L' M8 o
0 D; T$ M- h. V! Y. `7 Hto 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。
! | V6 Q; T* rlet l 0
# e4 E: a1 j8 ?3 J6 {: G& s4 fwhile[ l < people ]
1 {2 S0 ^% D' l+ 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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, k6 J* u) m7 S! u* _let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
/ v' r& n# }: ~% h, l; Bif (trade-record-one-j-l-len > 3)
! E3 y* h f( 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-one5 {" u) k6 J, K6 m4 f) W8 L5 x# U- K
let i 3
! O$ I3 F- R. N! X/ ylet sum-time 0
, k# E3 h. o' t! C, \7 vwhile[i < trade-record-one-len]- B( P$ q" D8 h$ u
[
, Y: B- {6 Y+ I( }$ |% Q6 {2 nset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
3 r6 }, V3 x/ n% S+ \2 p9 G( Jset i! e# Z& d4 M# M/ R, ]
( i + 1)
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( M3 k+ v) y. v* V% F4 v" {5 G9 Alet credibility-i-j-l 0
j7 m4 K# r3 |) z! _;;i评价(j对jl的评价)
5 R$ X4 a n6 a! I- B5 Clet j 3- L1 y8 O% Z% Y1 p& J, b$ c3 H$ U N
let k 47 ]' f. g+ |% `% w
while[j < trade-record-one-len] n6 L( l! x c$ }! F6 @. N
[
6 C9 @" T7 C( L& f, Vwhile [((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( J2 x$ J6 i4 m* n0 r+ l7 d/ i
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)
" X) x/ E O) |( o# S1 \set j( ]+ j3 z% s! e7 |
( j + 1)" j. U3 r) n9 T' z! A
]
) N' a% c: m1 F% r7 d& yset [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 ))
% B1 q w y8 V: m+ g! n4 K* k4 B/ o' G/ V4 q8 e4 A, \
4 n0 K" i$ l2 ]; Q4 Clet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)): O/ c) R7 e- H- k
;;及时更新i对l的评价质量的评价
0 Q i: @/ Y4 W& F* Y9 K9 R5 fset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
4 @& `: }; L+ k% Pset l (l + 1)" z8 Z$ q" b0 J" s) V& }
]% q9 B j/ b; a+ R9 Q
end1 z! U4 q- k4 q4 j! v
& w% O& j/ t- g0 v; P5 L, `8 C1 m
to update-credibility-list$ c. s) |9 ~8 i
let i 00 u! ]5 w# {9 u) ~
while[i < people]
* H5 w; D1 a% | z% y[6 T/ \3 F) d* U) v D. {
let j 09 N9 |' u; p% m3 M1 H7 U+ d4 I! R) o
let note 0
4 z F( p* h3 Z) W# h$ Nlet k 0! D( X( _& p! O8 s7 o$ T
;;计作出过评价的邻居节点的数目
/ ~+ b8 S+ ^* b1 X& e4 v5 _! mwhile[j < people]3 u1 Y9 X" A. h
[
- c( w# H, x, `. j6 @if (item j( [credibility] of turtle (i + 1)) != -1)
$ d5 w& ?" W: o;;判断是否给本turtle的评价质量做出过评价的节点5 Z3 j. y0 D% F3 r' Q3 [
[set note (note + item j ([credibility]of turtle (i + 1)))
, S" I7 D, `; O1 F2 b# s3 n;;*(exp (-(people - 2)))/(people - 2))]* w3 s5 Y2 ]& N
set k (k + 1)
; g9 J) m& z+ S8 F. w1 {]
5 w& m. m! \+ }- H- S1 u2 Nset j (j + 1) E! Z5 C: g2 L8 g g) ^1 B
]$ S* w* M7 Y5 H5 q
set note (note *(exp (- (1 / k)))/ k)
* ]4 _# d& I+ b4 X* Y7 X/ ^set credibility-list (replace-item i credibility-list note)+ C; M6 _* o0 W! U: {
set i (i + 1). a5 h! h& P0 h& ~$ a
]
- x1 ~! A6 ?6 ~6 V2 _! [3 K0 e8 Xend* J- j( I: Z+ E2 J o) b6 H) D1 K
2 C0 {7 O( `) {$ t2 |
to update-global-reputation-list( y6 k3 ] H' g/ K
let j 0
6 d$ l, k, e. Ywhile[j < people]
X+ L- }& p: q/ M[, W: \3 ~. w6 E( c% |4 M. L6 b. n
let new 0" `) k N. v( H
;;暂存新的一个全局声誉
* H! y- W9 i s# c7 k! Vlet i 0 w/ ~1 t9 f* E [0 L) Z7 T
let sum-money 0
. M6 M9 ]. K, h8 K/ Dlet credibility-money 01 k& B% v& R$ X) i3 m
while [i < people]3 P+ ]9 h0 h& X& `% T1 D, X0 {/ ?
[
: L! ^, }. J% c8 K0 H- ]. x i {2 fset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
, S5 e8 d4 B9 X2 o4 k# Xset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
3 F; i( t8 F) l( ~# ?* j8 v- hset i (i + 1)
) Y7 a9 P7 u* E+ h) O]& E" r$ c! v& A% E
let k 0
# Z, d8 n" W6 e8 O8 c' W1 S. ~let new1 0' ]1 Y9 v& n( r
while [k < people]+ I# F) T2 E( n0 S
[) u9 b3 T1 _$ {5 @: C# r
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)" @ W9 {! N8 c
set k (k + 1)
- C/ x; M1 v! C$ E], \/ N# B- P" s( E- o
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
; m9 H/ e# ]: T1 T9 \7 [set global-reputation-list (replace-item j global-reputation-list new)) z4 l* Q. D3 o- y! c3 _5 V7 x
set j (j + 1)
9 h. ]8 ?& U5 X, j]
. ~+ {3 C% \( `+ r Bend
; X" h% a r2 k$ z# t# k4 G
0 I: ?8 U+ R# ^( E( s$ M: S; W& Y$ a" i C- T5 e7 b( l- X& |$ r$ ^
$ r& [9 F( {: C# ?. ^2 \) X2 Vto get-color
- v" Q$ t7 _0 y8 D7 i
* U) l; ^3 R) D7 uset color blue
! d1 \; w# p4 j$ _end* ~. E. _; N* G6 C/ b
7 f, W& e0 I2 P3 L/ f8 _( G
to poll-class
. t) u6 p$ A% G3 t9 Lend. x" M; y: y. r% ] L2 c" i
) k- d+ R; M) _9 [( r$ nto setup-plot1! e: b' J H" p) A% N7 J4 L
/ U! k3 | z$ C$ n+ x$ y+ S) D- R
set-current-plot "Trends-of-Local-reputation"
6 e) z- y9 W5 a
; d# K6 @, o7 H2 Qset-plot-x-range 0 xmax
! D$ u( `" Y3 g# ^8 D/ ^ O7 J, n" \& B( N: u
set-plot-y-range 0.0 ymax# V2 {* @% A8 n
end8 _: x4 k0 u! U# t' t% p5 q1 f
/ F* j+ x2 x; f
to setup-plot2 t# d) v% e; E" o) W0 r
) q& w4 P$ X% u4 `, t$ [ X4 q m. Rset-current-plot "Trends-of-global-reputation"
$ D# ^ A7 ^5 w: `, r% G3 U- w9 ]. g& g& F. F* |
set-plot-x-range 0 xmax
& M& V( ^8 s1 Y/ K, }3 `: a, g, U2 G8 `3 u; R% o( w1 y
set-plot-y-range 0.0 ymax# a0 X2 O! J9 Q
end" R0 \, K& g. l) ]+ j9 P9 f% W
7 p: d, L9 k% X/ h' Y: D- ^' Yto setup-plot3+ `* F2 z. {3 ?7 b: m6 {: b) G
6 i0 e& |% g% B* p: S* Aset-current-plot "Trends-of-credibility"; f. S9 P2 D! s7 |% [0 n7 `# q) H
5 X/ _- l) H: r
set-plot-x-range 0 xmax+ O: b2 D: q& P$ F9 `6 @$ U+ `
5 {. e9 _- {* H3 L% b0 @
set-plot-y-range 0.0 ymax5 D( a! l+ y( T
end
/ F1 `( S* O7 \ \, f
" `" m, d( e% `to do-plots
" f; c1 l1 Y; L. Z; sset-current-plot "Trends-of-Local-reputation"
$ a, P# n5 `- C6 |+ ]: {4 H& Sset-current-plot-pen "Honest service"/ J" r2 L% X* E7 h- c( [. R5 E
end
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?1 K& U: m% b! E/ X0 A& n[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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