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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 `7 V9 L" \/ N" Y/ Uglobals[2 \8 p6 E' v# A+ l
xmax
" G: h) K4 P0 K& Z% Cymax ^5 J/ M' B2 b
global-reputation-list3 X% @+ S# V0 H$ \ h
* @' c: `1 V- s
;;每一个turtle的全局声誉都存在此LIST中( V% Q4 a2 @! z. Q3 {" k$ f/ w
credibility-list' V! ]0 E- t: J
;;每一个turtle的评价可信度: D; |. X+ u' U& r
honest-service+ N8 q- U1 b; r9 s4 Y
unhonest-service
) \. K# e/ \0 W2 H4 Zoscillation
. |" ^, b p! |& j9 p8 O1 Zrand-dynamic1 W" \" ?! N+ C* z! v4 E
]- }- Z) x Y; ]( L1 L
: w7 ~7 B/ G4 F! S4 I! {7 o
turtles-own[
% x0 P7 q+ [4 O: X* a! Z5 a, X( gtrade-record-all- i2 u" u3 z* G
;;a list of lists,由trade-record-one组成; C$ E% f& J, k7 }
trade-record-one
: a. L; \) C: | 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
7 F+ d1 w# C# F: w) S: N/ L
- u1 A% r2 b. F; x z/ i$ t2 T, N) d;;[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]]
& O, ]1 x9 P i0 B+ K$ dtrade-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]
) U, ?0 u- Y2 }" R6 e7 l- Wcredibility-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
- _! l% p$ U U0 j3 y% |neighbor-total
6 F% s. D1 ^! T) e. ~ \;;记录该turtle的邻居节点的数目
% g5 m* x7 o9 a, e Btrade-time I) D/ S& q6 j; {" e
;;当前发生交易的turtle的交易时间% I/ {( i5 R. {% S9 h
appraise-give& r Y) j2 R2 u' K- W& t' Y
;;当前发生交易时给出的评价' Y2 @6 u9 ~6 W/ W
appraise-receive% V" t( i. }8 s* f
;;当前发生交易时收到的评价
, O1 @3 l3 z- Y2 O% r% m" rappraise-time
7 U2 l, v! R, I;;当前发生交易时的评价时间- t* ^; D$ D( H n' i' u7 v/ R: x; T0 U
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
1 a w9 y, f. I! n+ { D9 Strade-times-total9 Y! O' q4 @; S# Y
;;与当前turtle的交易总次数 S. h% q5 K1 _. O. k( D8 V
trade-money-total* v. _ u" E) a9 w- q/ K
;;与当前turtle的交易总金额
/ J3 F4 G6 c* O1 u+ Qlocal-reputation3 p# g1 o/ l$ T9 ~: K& B
global-reputation
! j( x s$ @4 Y+ M& E, }credibility% E- S9 c; a+ |/ h; P
;;评价可信度,每次交易后都需要更新! [* t$ K! D/ f, u9 h/ ?; e
credibility-all
; t a% f& r( X- b;;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
1 ^! l3 W/ C' H; V5 }' Gcredibility-one
+ F0 M. q5 w! i) N;;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, N) Y) |; y3 j( D8 f3 h& q6 P z
global-proportion
% R5 h0 E. ~- N @customer: {* J7 @/ c$ B e7 E1 L
customer-no! I/ b! I* y$ a) ^
trust-ok
; D7 Y2 h* V6 ^ h! ntrade-record-one-len;;trade-record-one的长度$ o; \6 \4 X0 P+ @, ~9 R2 G4 b
]0 w, L! x' F, R- D8 M! g' e
) _9 ^) t( `8 W1 ^4 H3 l' V;;setup procedure
& w& {/ n8 b0 j% X! O9 N5 f! _+ I5 y9 H l6 ^5 b
to setup
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$ G# t* p( @9 ]# ?2 u' Z' tca: u+ p8 X' o7 u, k2 q7 X5 O6 L7 j0 H; ^
4 W5 K3 o# G2 X4 _initialize-settings6 \$ b( ]( X& t( u% F6 V
4 V2 z) z: H# H3 acrt people [setup-turtles]3 O. k) T3 `/ u1 T
7 u7 @: l2 x8 Y' Ireset-timer2 j; u2 r% U, Y- a/ R
: E1 P. b8 l* X9 g- `3 U1 u0 ~
poll-class
7 Z& A2 r0 G+ H6 H% s3 @
8 R# V- S4 G& P; l/ O9 Usetup-plots% M. i9 N0 Z1 t' w8 d
: p. @; O; B! g/ @+ Qdo-plots
7 d$ p/ K1 f$ X s0 Yend7 s- D/ T, E0 |: t; O T" a* _
2 |: B7 R+ X: t: [4 _' f W bto initialize-settings6 H' r- Q( Q$ ]0 O) G
) V8 S$ m, p! h' I4 }3 n( G' Nset global-reputation-list []6 X K9 L6 A+ N
% P+ ^# t3 V+ @' c* u. gset credibility-list n-values people [0.5]; C }* |% T. g2 O% B Z( {/ f
4 B8 R4 ~& ?1 |# W, X' Z( \% dset honest-service 09 l9 B d4 T/ T
: X0 T3 `0 Z- C, X1 A5 w+ v4 C: g
set unhonest-service 0
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0 M# H G8 C" F, r+ _+ J8 ?# @% C) Vset oscillation 0
/ a# X/ f4 T* g3 z+ B/ ?9 X9 Q5 u& M! a q2 ?7 M
set rand-dynamic 0, X7 k: D& i2 H& T. f+ y, u
end
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to setup-turtles ' `4 X+ b( F. X% R
set shape "person"
7 s( a) H7 h1 v+ N4 q) Ysetxy random-xcor random-ycor& |" f4 m$ [, k+ ^- `
set trade-record-one []7 w' x1 \* O, z8 u4 {8 y
/ m, d4 x% z2 i! V4 [. k4 o9 [
set trade-record-all n-values people [(list (? + 1) 0 0)]
% T9 ]- u) V( E! i" r
# h& D4 [+ H9 x7 _' m9 e& tset trade-record-current [], n# L) e! { r# D+ D2 C9 R
set credibility-receive []
8 X* G* x5 v, z6 qset local-reputation 0.5
5 M' V, x! w5 q' Eset neighbor-total 0
1 T. X9 r% i! {& H% q, ?! P9 dset trade-times-total 0& Q0 I4 _. l y( v
set trade-money-total 0
0 {; a( j3 @5 D& f5 H' a" p+ bset customer nobody2 X' x, e3 v- I2 F6 ~+ O7 z% o
set credibility-all n-values people [creat-credibility]/ V. W) @, _/ Q* c! ?, l
set credibility n-values people [-1]% Z# ]5 U2 ?; Q4 [% ^( ?3 D% `
get-color5 c) i5 N) X9 o: Y9 x! C8 x
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end
4 `. z7 n0 d9 g. z4 }. [
6 Y7 w; s7 m+ z4 X9 U: h, U# oto-report creat-credibility5 ^) L" V1 G- S! i/ I8 R9 U3 [
report n-values people [0.5]* K, g/ R" P0 h, E# J
end5 F! H+ P! g% y# A9 V9 W
; z" O0 m& g" u" L- |2 qto setup-plots
) J- H7 P6 ^$ _1 c+ `3 O+ C8 B) }3 P4 P: X% G# C4 ^: C
set xmax 30
8 L0 C6 L3 C: J% B1 G1 u$ C3 W9 g- T) J5 a0 u4 |$ Q! N4 D
set ymax 1.0
* ~1 Y; f4 i( j. S/ X8 o& `- o* \9 z! K
clear-all-plots
* C o( U, h( e1 l- m7 ?2 X% J/ H& l6 a3 f' f2 f2 |
setup-plot1
& |9 n! L% j9 t) I( u! h
" o% [/ u" ^' t+ gsetup-plot2* c9 g& L" D4 U4 h7 Z8 t' P. z
$ P+ Q1 F6 Q% V/ S a! P
setup-plot3+ G/ q" Z- \" Y- r
end
7 U, K6 z2 L. k! p8 V
8 ^+ M+ g4 b9 c;;run time procedures
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# X0 S7 b& T2 f' Z5 k6 o/ p1 uto go
5 I ], E- X4 c/ f, z' _9 G3 {2 E/ A1 c% ]0 R2 K
ask turtles [do-business]
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+ b5 j6 Y7 _9 s' B
to do-business
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, }+ D9 y) a1 T3 M
rt random 360' d. `) \9 b5 r2 a
4 }) y! c" n9 n, n
fd 12 a v5 o% {$ N# K% K
7 \* s8 j8 t" z7 O7 b9 x
ifelse(other turtles-here != nobody)[' \$ `( G' j, r3 `* o
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set customer one-of other turtles-here
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* o8 }1 E: c, o( e9 t;; set [customer] of customer myself
& M9 [. q1 c. v1 J4 D* Q( f1 N* d
' ~' O4 i2 Z+ {set [trade-record-one] of self item (([who] of customer) - 1)
( w. `) T& P( e5 D3 C$ L& ?1 Q5 T[trade-record-all]of self
% E% `* z6 |; w8 m5 ?/ [/ d;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
) ?4 S$ e) s/ M/ y, {
0 X2 F( A+ {' X7 g9 rset [trade-record-one] of customer item (([who] of self) - 1)/ H4 m" e2 L: f3 Q- \& [ p
[trade-record-all]of customer
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' ]$ V5 L; N5 ?" ?* ?8 h+ P4 Mset [trade-record-one-len] of self length [trade-record-one] of self
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set trade-record-current( list (timer) (random money-upper-limit))" d- W. t) E. P9 X$ t5 y
5 ~6 k* O' l9 m+ n7 H
ask self [do-trust]) R4 d/ y* c6 P2 r1 T, a* P! B
;;先求i对j的信任度5 D; K8 O$ U- g- W: z
; a" H# ~ h9 d! K ^ H, m5 a W
if ([trust-ok] of self)
, E% D2 \7 b5 Z% c1 t;;根据i对j的信任度来决定是否与j进行交易[
4 D' Y( a0 u& E! l; }3 e7 u5 yask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself+ }+ U2 K) A) A/ ^# a
( J( J1 e, ~, ^# m3 g4 |8 H[ w5 ?- T0 ]' w9 o1 s" b4 y
* R- L- v. h& s4 M. _4 s% n
do-trade
6 ~- n/ s! F1 D8 @
: _0 W' s0 E$ s/ [update-credibility-ijl- v4 P; P- s# V: g
( i/ v& \' x5 l- e8 C% g7 |7 zupdate-credibility-list* Z# j v8 |, e5 `: _
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/ I; c, ^ m, x/ W$ Y4 P* H" U
update-global-reputation-list
$ L% K8 q% q. E9 O
' o5 a9 c9 a% gpoll-class% ~' v/ C) s |# P" h+ W8 R
. Y# ^# v! ]4 V1 w$ v" G; l6 ]9 b! Yget-color9 f2 C, F: `2 u& w/ j' ]
& B. D/ u( y: i% I) P# l]]" e& A/ ]1 \, a
0 e) g$ q+ y( `' S2 o2 _: O6 U5 y;;如果所得的信任度满足条件,则进行交易! k1 P* T: O5 u# A" R
4 h* g/ i2 w6 R3 F/ B: R[; m* R6 t1 C% G8 g& T
# K7 Y3 F8 t" t+ Q8 |- j- i$ ert random 360
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fd 1
" \4 w5 [% A' @1 ^6 l( M. t, e& {) v9 M5 C1 K+ X
]1 z% Y" x8 F; x- L) Z5 R
% b4 Z U4 V6 C
end$ \+ F# u7 \. T) u; v( d- S
! b* ]$ I3 O' A* O4 Y
to do-trust
0 z4 g' E8 `3 i6 F1 f2 G/ N, Kset trust-ok False; A2 Q/ L) o' E1 e& P+ A. ^: w
* b H9 N& l3 x; F1 [! t' w7 {3 B
; _/ V9 t6 A( Tlet max-trade-times 02 G6 P/ |" J; f9 D( A, N9 V. j
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]4 n" \/ ^7 u! n, o
let max-trade-money 0
- k3 Z4 A. B% l5 U* cforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]4 v+ t$ d5 M% K2 M, a
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))# Q( x" y/ T9 R/ ~0 H6 W
& d/ S1 j3 T$ n' r, f
8 Y" K0 l) B' B& [( K: Wget-global-proportion4 }% S0 ?5 _1 D* Q! X5 c
let trust-value$ ~; y. ]7 Q! Z
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)
7 h# m ^$ ^ V9 ] C. Yif(trust-value > trade-trust-value)
& k/ n5 t T9 `5 L- `+ e0 j[set trust-ok true]: }5 i4 L' r! ]9 E1 t7 P% H( }
end
L2 i5 _1 d; h* C
) [+ y) m+ D4 U7 Pto get-global-proportion
; s7 Y. |/ |0 j$ }- Pifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
2 H( }3 u+ Z3 y[set global-proportion 0]
E( }# K; v$ `[let i 0
! U/ P8 n- m$ h \0 L( Llet sum-money 0" A3 a' Z! X- p) G
while[ i < people]0 q6 r2 W7 x4 Q0 P7 a' B/ W `
[( e: P' N) h5 i+ z I0 Y2 m
if( length (item i
* @' e* \6 a. Y9 r5 A3 j2 v/ G[trade-record-all] of customer) > 3 )% u" X" o% y1 c1 n
[
& y7 k- g& k: t$ t; a: Eset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
/ S l* h! V& d3 G$ b] [# p7 O6 X* z! [
]* z2 O e/ S6 S3 n; c
let j 0
& r s. b8 ^) a. Alet note 0$ t4 k8 g) |/ ]. m
while[ j < people]
; i) M* u( A% C; L! ][- V, q1 Z- P0 E" \: s6 l' ?" U8 W
if( length (item i
/ S; Z' s$ ?: `0 A. S[trade-record-all] of customer) > 3 ). x1 i [. P" V3 ?
[2 _. N# M/ {4 a" l5 r
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)& f9 [. X8 \' k/ I5 z
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
) o* H7 w f& [ y[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
. _. b8 b: z3 c/ R& S( O]
6 S0 j* ?3 z7 t% S1 S7 V]
4 o& b& P! Q9 W6 ]5 s9 {& O$ _4 ~set global-proportion note, e, P U* B+ v( B% p) |
] J! J- N! e0 Y7 \7 L
end
( L: v4 x( k4 l: u: c3 j( S$ x! H
to do-trade- H8 F& j" Z6 s1 C4 X
;;这个过程实际上是给双方作出评价的过程$ y" p) f0 O: f! `+ H* ^3 e, z- [
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
. D, U7 {! D# Pset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
5 c& L" o/ z4 Fset trade-record-current lput(timer) trade-record-current
$ i6 l4 P e6 M5 U* O A; G" Z;;评价时间
1 q; L/ m5 N' D1 ]" R4 Pask myself [
0 w% L1 B* @, ~ Bupdate-local-reputation
. y) s" f8 A) ? r# U8 gset trade-record-current lput([local-reputation] of myself) trade-record-current
' `- R1 w O- E0 O+ e4 `]. y1 \* j6 T& k1 K" \# u
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself7 G" O, T2 c8 x4 o
;;将此次交易的记录加入到trade-record-one中# E0 \2 l- U) w4 W
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
/ n$ u3 b" m$ K5 e6 m* flet note (item 2 trade-record-current )
5 `6 {# z: U8 v% a: @set trade-record-current
, z; R+ ~" i2 @5 _(replace-item 2 trade-record-current (item 3 trade-record-current))- X9 x! r, p( k' G" r
set trade-record-current
( {) S1 q) R) {; q* y0 L" y+ W# s* d6 i(replace-item 3 trade-record-current note)+ O6 Q0 X& n2 u/ }
0 U9 ?6 N# u" u5 M2 a. r
. T( L, E8 P: {ask customer [# y5 @0 x$ M: h# |1 ^
update-local-reputation
) _3 q4 ]- U' c9 C% c) Tset trade-record-current2 w$ A& U: p4 {- r- `# u1 Q
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
8 X' z7 |; \) Z# }: ]]! i& A6 B& ]; k/ X
4 C$ C [; \* G5 Y" j
0 Y* [$ k* m% l4 r. nset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
/ V& \8 c0 c: M( e, ?* w8 b9 C( ^3 m! k8 V+ ]" R; S
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))' m( V1 m$ z8 `/ z @
;;将此次交易的记录加入到customer的trade-record-all中' l9 u9 L# K' j7 r
end
! F: E! ~! o# l
9 p4 |- X+ ]) K7 z/ X8 Z' E) o" q9 {9 Pto update-local-reputation
% z- C. ?; D( J$ r% j# Eset [trade-record-one-len] of myself length [trade-record-one] of myself
% { r' @2 u! }) y8 M, W- u& w0 f/ [/ i$ A. }% l% z6 U, D
* C9 u" o# ?, a2 Q2 I5 Y
;;if [trade-record-one-len] of myself > 3
9 T1 t, f7 Z N @0 nupdate-neighbor-total
9 n" h4 }4 k+ z+ }. F5 _0 ?: ], H* a;;更新邻居节点的数目,在此进行$ K( z* s# U0 l) I9 R0 P% Q
let i 3
; }: q- T, S% Hlet sum-time 03 r C: t# @2 v! `/ m" ?0 h
while[i < [trade-record-one-len] of myself]8 N" W8 ^+ |$ _) r" d0 o
[
. x) l/ u) ^$ x* C% x m) q2 Fset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )' O% A: p& N) N: ^+ R, d
set i
, Z( o$ l6 p$ X- v( i + 1)
6 z9 T# ^3 _( u8 X5 C" x! F/ a]0 U3 R, j5 E0 E$ Q' j9 ~
let j 3
8 y: E, N& q! q: Y$ A. ?let sum-money 0
; `% V6 `, i n6 @6 p3 Q5 pwhile[j < [trade-record-one-len] of myself]5 A3 w" u$ s3 N5 _4 n8 P/ s$ {+ _
[ ]' Q3 B) `9 U3 ]/ t7 p% s
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)
5 ?5 F- `7 I; E' i' V0 Sset j
/ A; e3 R- S/ t8 t( j + 1)5 K( m* X" u( c& _) R! e! `
]+ J4 N9 ~& @) A" A' d _
let k 3% }+ Q7 P" t2 O, y4 R$ g
let power 0( m3 F' g' y0 [% b; c
let local 0' q: ?! V" }. j" S
while [k <[trade-record-one-len] of myself]: H+ |$ e& H7 _1 Q7 ]$ l
[
3 k0 M- _) p# Xset 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)
I0 F; b/ p- H% P6 q; N7 hset k (k + 1)/ [/ `& |& r! u4 ]0 |( c
]
4 S1 D, w+ r, kset [local-reputation] of myself (local)
% ?" X& h( ~7 O2 c7 mend
2 |- G" k5 a, e0 d: H8 b4 [$ C' F+ x& f3 N: x; H1 l
to update-neighbor-total0 u$ Y/ c: u* c) Q0 Q
5 t% j4 M) v5 l' M" I
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]! ?! w4 J) `( C
5 f4 ~/ Y& f: [; x% R
* c, {+ i* ~( Q2 s' e& {end
" F- W& I4 ~1 R+ E/ }. E
. D% y7 w. D2 {# v( c7 y$ h' K+ Mto update-credibility-ijl
3 s# L1 R( v9 h, q9 C% ?0 _, n) L3 T. ]5 `) w: 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。
, ]* G0 e+ o8 o) Rlet l 0
: k' F0 j3 L: d8 N) b _1 q1 d/ Kwhile[ l < people ]+ }' V- h4 d; u1 A7 @1 z1 P
;;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
% B6 a0 S, V( [( v: E6 ^6 g8 o' Z[0 {6 d1 ]6 H# ~- i
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
8 }, @6 R9 u& Q+ c: b" [2 Qif (trade-record-one-j-l-len > 3)0 ]1 K, q+ j+ H
[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
! p8 a. e$ A5 a1 h9 h( `let i 3* i2 m, r: r ^9 w3 n
let sum-time 0" \" K; d# f" g$ Y6 c# k
while[i < trade-record-one-len]
6 y# _, A7 P6 B2 J& T, H8 M[
1 f+ B8 ?: x- J I. yset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ); E9 Y: S2 j! |% i! u
set i X% A$ v& z/ b2 N; e
( i + 1)3 c0 Z! \6 g, F! i
]
& N& T) X" Z$ g* ~let credibility-i-j-l 0
' f7 a" n$ h* C& H$ ~) x% ?$ n;;i评价(j对jl的评价)9 f; ]6 ~. c. ?, U0 u
let j 3
6 j$ U' X: J% ?0 p7 I; nlet k 4
: a2 Q& f4 l4 Z" q% L( vwhile[j < trade-record-one-len]
' b) S% L- M5 O8 c( m' g1 s[
& g' f8 Z# K; z$ ^9 c" W# o8 Rwhile [((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3 H6 A( K) i' u# @7 ?* w
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)
; M) O6 N$ B. yset j
: y0 r1 l. J* M3 E7 y: p ]( j + 1)
% u0 K) e3 z3 o! e]
. `9 T2 @+ j$ u- E E8 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 ))4 p% V# d2 w% e: R/ ^5 v, b* Q1 @
* V# ?0 j" T% }
4 n2 ?7 M# C3 U$ Z1 `; _
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))* B5 b: V G2 F
;;及时更新i对l的评价质量的评价
8 J/ C1 B3 }% `# ?8 b9 X5 Tset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
$ J7 ]2 E" A/ t. t& Bset l (l + 1)
9 w0 B4 R. ~' ~- q. N! U] s2 r" j2 E3 _2 U! g. @* m
end0 O( J- f4 K5 A/ b
, G% [ m% O/ m( o: A
to update-credibility-list
' S3 D9 p# s- dlet i 08 E# h' w! o! r! `
while[i < people]! P0 Z2 S; z/ K/ C1 \
[
1 e7 U4 @2 r7 o2 P( {; V% V6 @let j 0
0 }7 B4 K6 z: }' a; ilet note 0. s- e8 O z, |; R$ l
let k 0/ J6 F0 R; u. F* W
;;计作出过评价的邻居节点的数目# B/ K; ?9 a" ]$ ~) O
while[j < people]& ~* L2 B/ F) Q) x/ I( f
[3 z6 f: }, }9 U
if (item j( [credibility] of turtle (i + 1)) != -1)+ T' g! [6 r% M
;;判断是否给本turtle的评价质量做出过评价的节点1 v4 M" D8 g1 [* y1 Y
[set note (note + item j ([credibility]of turtle (i + 1)))
( w) U0 H% n- I+ D' n- y ]9 U;;*(exp (-(people - 2)))/(people - 2))]! e$ q" l, h2 Z: t4 J
set k (k + 1)
& F/ e! ~: C4 ^5 a]: O% Q$ @& x5 u$ r) r
set j (j + 1)
( F5 }8 L) ]( I0 h+ v6 m]) X3 z0 F8 \: k' \" K$ {7 ~0 ^
set note (note *(exp (- (1 / k)))/ k)+ p- o! a( b% o1 ~ Z% {, M9 h, n
set credibility-list (replace-item i credibility-list note)
+ Y/ J- @+ B' C' k; Rset i (i + 1)
3 V0 i# P4 E# I3 K# L0 R8 O! f8 Y]6 N" l) V) N5 u! W+ }
end
- W% r- i* ~7 Z! I. j
]1 j0 a n7 t7 u6 F) f2 Ato update-global-reputation-list) @4 u; z- C6 {# `
let j 0
8 L* d6 U. e; v3 P3 {& W. Uwhile[j < people]
" _& H% {" z( c- |6 ^; k4 m[
4 e- C) k- A. W- l1 ~% J I! V) p3 jlet new 0: [3 f. M" b$ t% L# T" R+ w3 m2 F# H
;;暂存新的一个全局声誉
9 o5 k7 d/ t3 c5 e9 b6 o! Zlet i 04 U! f4 s6 b C0 N% q+ [# F
let sum-money 03 W/ X3 d4 Y9 k! C$ Y3 a+ S- q" V+ M
let credibility-money 0
; N( }0 N; V" L4 d1 c2 mwhile [i < people]
9 H! D/ k1 x$ E% z% R7 B! F[0 @. x( @0 i; H
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))0 d y1 D( R- j
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
' e. I/ i$ j7 X6 z9 _0 zset i (i + 1)7 A [4 y& ?% z4 P+ j
]% L- k9 L% E ?: [5 d. D. s1 `
let k 0
0 x* b# q6 a& f! p- jlet new1 0
: k5 D9 a4 ~+ e, H2 y {while [k < people]
0 E" D9 T- v9 x4 b, {[
5 e3 ^3 x8 ?; h8 I5 p6 O' }+ dset 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)
% m, f! l" Y% i, M" Z5 gset k (k + 1)
0 ?/ E% V5 T( z]
+ ^/ l* P4 [# x0 I+ w0 nset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
* B5 d7 q) t5 H) Y+ kset global-reputation-list (replace-item j global-reputation-list new)5 H: F" a* g% F/ Q- m0 e: y0 ?
set j (j + 1)4 k" f0 L N+ Z2 Q2 F
]
( O A5 k. V0 hend& D) k G6 g) ^% g _9 n) _
$ t; T; V# P j. Z
3 o/ B7 e! D3 s( \) p; I. L' P
& p+ e3 p! n) ? u% H( z5 kto get-color6 S- x8 s( l5 O
. t' l7 o" x* R# `" Mset color blue
k( O7 w# ]3 |- Oend# M8 P- _- L! l+ m! K- ~/ T( U
7 e2 ] S1 E) o1 Y. [" e& Eto poll-class
; t4 N9 G) q1 g0 J) qend, W% C8 k9 p' I0 C' }
4 s" I0 B# j; u1 P S
to setup-plot1/ Q3 x, o9 F3 ^, P" M7 z' J2 o3 k
+ I# W; u, I4 }% j( |
set-current-plot "Trends-of-Local-reputation"
& `4 u T. Y8 A6 v8 i* L1 j+ F d$ k4 N/ [- Q, n0 F+ T
set-plot-x-range 0 xmax
; [: I3 b6 V: A0 x& I8 v" M* }* t3 k& {4 n7 P9 G8 ~6 U. P
set-plot-y-range 0.0 ymax
' l3 t( a' A% Aend1 V- Y; y$ X4 v" W) b* d4 B+ c
% U% H" N& ]; yto setup-plot2
/ W0 ?, W9 j) [& u6 R% Q- Q% m5 F" w
set-current-plot "Trends-of-global-reputation"5 \: ?# @* w6 N& |. ]2 C7 A
0 {' U8 o; A3 w' ?2 n( l6 C: zset-plot-x-range 0 xmax2 \4 t$ T/ Z- n0 E r' x, Q; u5 \! M
9 i0 p/ }; J6 z" i7 H* r* `
set-plot-y-range 0.0 ymax/ y0 y' d: l% |- c
end* t/ _. G- [5 C% E. E7 Y* ~# ?
! W+ \- g( L7 w2 b9 N6 _5 X9 q2 _to setup-plot3
; l8 r- v; s; q, K5 B6 h8 {2 T `/ Z" Z
set-current-plot "Trends-of-credibility"9 o4 X! z3 i' b- y, }
. q% h' k$ F r9 O: _set-plot-x-range 0 xmax
7 X |- i! C- |. w, V
& d) R1 t0 Z4 |set-plot-y-range 0.0 ymax
% q/ h& U1 ?+ Tend
& [, t/ G& n! _( Q5 f& u
! o% g( j" D) [$ V, K" E% ?to do-plots* f" n+ e u/ t8 n
set-current-plot "Trends-of-Local-reputation"
8 j5 d! {/ ^# |( K% w; R8 zset-current-plot-pen "Honest service"
7 V, j1 E# [( I+ C; D0 Lend) Y. d# x7 B' x4 I+ ]
4 p2 z) \8 b: d2 D9 X# a1 ?
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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