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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
9 n0 o% G1 Y. P; D# Y8 q5 ]globals[1 z. R5 m3 c9 a, | }
xmax. o$ s- e# S! P
ymax
" ~6 h0 ~( \/ R$ w* \global-reputation-list3 l, ~: B/ l& @( A4 V* T6 n9 p
6 k6 u; `! x) L; ? q
;;每一个turtle的全局声誉都存在此LIST中1 M& b% I$ a1 O: y$ ?% ], c
credibility-list
* ]7 J0 t0 s8 R! {- E& M+ @;;每一个turtle的评价可信度$ {0 \" m7 Q \6 E$ @3 y' O' I% t
honest-service4 b y* ?- z [1 l' ]7 f
unhonest-service
4 z7 B7 O- h% c3 q6 ]) Toscillation3 B: T6 K' F) w s6 D% H' L( _( A' x7 q
rand-dynamic
i5 t& I; b& E& N5 n" V]& E1 ]+ V8 L; c' K% Q/ C7 Y9 S
+ M+ a' w( `% D; y" r# W6 Oturtles-own[" X7 j, F) f' [ ~: C* F2 ^
trade-record-all0 r( r! e) g- A! U1 T6 k% I! e0 `% @
;;a list of lists,由trade-record-one组成
6 f( t$ \3 O) p1 Ctrade-record-one
$ Y4 E4 W* R4 ~: v' n9 g9 w; Y;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录. h7 I4 I% p9 N
2 V1 W- D& S* d1 a, S5 V4 c2 A
;;[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]]- W% J0 C5 S" J1 f( w
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]
+ b+ O" q& y7 w5 q" F/ H4 [4 b* Ecredibility-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list8 l5 N% F% t3 C) U+ X& r
neighbor-total2 a8 Y: O; m+ Z* |
;;记录该turtle的邻居节点的数目# M! r; j# v3 H9 n* G
trade-time' W7 C3 c& U" L4 h4 ]
;;当前发生交易的turtle的交易时间
! r/ L% ]! h# Wappraise-give4 N* j1 h2 U! p
;;当前发生交易时给出的评价
+ t1 {! H9 r' mappraise-receive
, p! R3 k- x5 K7 {$ y& w; I! _1 s;;当前发生交易时收到的评价$ i* e( X- R* M
appraise-time/ _+ t7 n( T' W; v# o& Z
;;当前发生交易时的评价时间6 a! Q8 w7 q" O$ v! L v& z
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
" Y5 M8 i+ b) Jtrade-times-total
0 W Y& Z- H5 z' @) c( m# N1 ~, U;;与当前turtle的交易总次数
5 L% T& p4 R* Q- p! A+ htrade-money-total
% ~5 `# p4 h1 g8 J4 `;;与当前turtle的交易总金额% }, {9 G) L8 X* |+ R$ x8 A* T, B
local-reputation
3 K0 @/ `1 E2 \0 m6 |) aglobal-reputation* f( O5 k N8 j% [
credibility
" K' o" m# A/ m8 B- b! D;;评价可信度,每次交易后都需要更新. ]2 E4 L% z- X8 U8 R
credibility-all( x9 A9 K. T5 ?& r7 T _( i
;;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
) J, R6 U3 h. K& Y$ E! S8 q: r) f
;;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* `0 w2 K" N8 wcredibility-one, y* V2 g/ d, o6 D9 g
;;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
, U1 S" Y. e& O8 B! Pglobal-proportion
: f, a, v. c# a, n) s1 {customer
+ \: i0 @9 \6 C+ Q# Ucustomer-no
) }) j2 q4 U% E9 b1 p e( \2 [- _trust-ok2 K% a& V6 x1 [+ Z7 \! _( A! I0 Z
trade-record-one-len;;trade-record-one的长度% d6 ` J) y$ g
]
! j6 \! z; c3 B4 |; M/ \9 E5 b' c+ p% A
;;setup procedure
4 |7 M, D4 F) f+ k! d' j
' Z2 E5 t; [8 lto setup
" Z2 F0 H# c# K4 k( `) U! x! a4 H W6 ~3 S" P
ca$ q( d' {. d7 I7 @3 \! v1 k: V& w2 o
3 `6 _2 s! L+ Vinitialize-settings
V# O; O1 I' M+ F M! w6 \
8 T1 }$ h; r wcrt people [setup-turtles]
) F$ L5 D e# m1 U
! v2 ]" r( H) L5 M4 `! C0 E* hreset-timer- h; x9 p# d# I# ?: ?
2 p: o2 G: L( _* j
poll-class' }( b( x1 Q6 G6 K
& _. {7 O O/ f4 Zsetup-plots+ l- I' u' x; y0 n- V/ ?- j/ y
5 X3 {, i" U, F& x/ X3 U+ Hdo-plots
0 E9 `5 \9 W) b1 W) L5 b$ dend
" j+ r, s7 v' h7 i1 r
( V: t, V0 o3 P2 W0 K% @" R. @to initialize-settings9 \; w1 w1 A c# i
) [" h& T* i& }7 d9 ]; M
set global-reputation-list []
) I, a7 t& v. {1 H. r+ R: p8 P& w V u9 K
set credibility-list n-values people [0.5]: W+ X/ K9 E1 W* L/ ~4 D G, l
: G) A: y. b7 C' _6 oset honest-service 0
* Y* a& g5 x* `. g5 ~$ K
) h% b! T1 X$ G" aset unhonest-service 0& a( e- i, V3 t Z2 z
/ t5 f! j( ~ r/ ~1 N
set oscillation 0' D+ B! U/ I+ e
+ y& H) ^& M* T4 S* i N
set rand-dynamic 0
5 o$ _2 _1 A$ s6 M" d) xend! {& P) b9 z, r$ S
t3 C2 K/ u- ]( y# n5 L. b
to setup-turtles , @- q2 [7 K2 r: ^* y6 j) Q
set shape "person"
5 j: J4 C$ e: j! tsetxy random-xcor random-ycor8 U0 ]; K& e* [, h+ ?) [% m
set trade-record-one []
+ q; `0 [, x e; L, m: d
- i1 O. U% \4 D* Fset trade-record-all n-values people [(list (? + 1) 0 0)]
" ]; O! l- h9 b( x9 i+ U1 s( B" Q' l; r6 D, Y3 m7 i
set trade-record-current []
. \& |: y R( k* c0 C8 Bset credibility-receive []
! j& t/ y7 F' ?1 B1 G2 w) Gset local-reputation 0.51 V/ ^5 @- E9 j" [
set neighbor-total 0 @( X' t+ l, v. p5 |
set trade-times-total 0
+ N( C6 c/ N+ L: [# l( u1 Fset trade-money-total 00 R, d. c# g( a% t% o0 A& ^
set customer nobody
; F& v0 H/ \+ r9 Gset credibility-all n-values people [creat-credibility]
4 K: \# [' w! ^/ m4 rset credibility n-values people [-1]
- T$ t9 o2 J* t- jget-color- |7 r; r4 T# v7 K) o8 l! Q
5 d' b& M6 X0 ?: l' \end
* h! A5 O: q. |! s j) P/ n
6 J6 w, e; P8 M# Tto-report creat-credibility1 o# N+ l+ q7 I" u+ y, I
report n-values people [0.5]/ y. X7 x5 F9 c; n
end& l! ? Q$ H5 B4 q
$ x: h0 t% P& `: x
to setup-plots
- {: P5 H3 I! w- [* r- o! E
5 f; Y# H1 r7 L* p0 qset xmax 303 ]0 D3 r- A( `' ^/ p* y9 ^
7 y6 H, {7 P# V* U- V# Dset ymax 1.01 I# Q' L7 [5 f' Z C
& k" N8 {+ U# T. W! J
clear-all-plots
' D$ ^1 [# k1 ]8 O( r( S" C& [3 v7 U8 G$ {6 t) Z4 z
setup-plot1( ?& T' p- Y3 b9 N5 L& a! z6 b7 B
, l" `' ^5 a, ?5 @ p; Tsetup-plot2: j! O- R( W/ x7 _, N
. x+ P. {5 H! u% { `setup-plot3: W! t& U6 p# ]
end
6 g1 d8 v( L& f. Q1 I u# V1 x
9 X0 d! W4 p8 \; W5 i/ ~;;run time procedures) i1 H* g5 i3 }2 R% g% M
! |8 b( Q% M; W1 @, F
to go+ c. K9 Y: p. O/ q/ Y1 ~
* R: h/ @# A5 O1 X* ~ask turtles [do-business]
7 I9 T! i. `/ G: S& N. |end
: z) a6 y- q& l- f6 d* }7 }* |. I' y: ^$ V( c5 r
to do-business
0 G$ }# S8 h$ L! [- h$ P1 g1 O" k; ^% ]( F4 w
1 {& V& z" Y4 j8 @rt random 360
9 N2 W5 v6 ]0 G. Y% X0 w2 g
, C+ D. b, _- S+ x8 d, rfd 18 s9 o, a1 | j2 ~# S# [
; d& l& `5 G* K8 m$ H
ifelse(other turtles-here != nobody)[
+ X: U! t, c' Y2 D7 ^$ a: R, f2 l. Y( B, |" R O/ U- E
set customer one-of other turtles-here
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;; set [customer] of customer myself2 u0 q o2 v- k
4 ~! R* @. p+ q/ ^; {& E5 q4 Y
set [trade-record-one] of self item (([who] of customer) - 1)
) J4 F+ {, U I9 x& L[trade-record-all]of self: D% P% f/ {: e) w. a: i; Z
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self0 X; S4 [( D: c) A; N
+ ^# P2 Q0 z# |set [trade-record-one] of customer item (([who] of self) - 1)
/ `" u5 Q+ y- d, t) H1 d: X1 G[trade-record-all]of customer' L" V, F/ G4 e* x! I' x7 |) z
; k+ K3 [( O( _& r% k3 k& l
set [trade-record-one-len] of self length [trade-record-one] of self8 H; p& t, i. c/ ~" x: h4 D
% v, r0 w) m2 s2 S$ Fset trade-record-current( list (timer) (random money-upper-limit))
% ^8 ^$ y6 N A; |, @4 B2 H4 n, Q, V' R) N* B2 A
ask self [do-trust]. d6 y, s0 ^7 ^9 t
;;先求i对j的信任度
" \! P( L; d4 H, M. K) x E
& S2 j$ L9 [$ U9 R" S4 Zif ([trust-ok] of self)' P: P" K/ [* a
;;根据i对j的信任度来决定是否与j进行交易[5 X, [1 U; ]" w: O& Z3 F7 {3 u
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself7 s/ Q: J; L7 A. p7 }
% [) @- v7 W' B$ c, X[
0 |( z4 E' Z& |+ g
- k- ?8 b0 u+ J, R+ m+ ~' jdo-trade
: a9 q1 C" R. o* b4 h# j) o+ c: i6 f6 X4 b2 o( J
update-credibility-ijl
( A) B) ~5 {3 Z4 H# G2 S; u+ h: i! w4 E: \/ s
update-credibility-list' a( I- N( z6 ?, L
# I$ A0 q, m$ a4 b7 A% e$ o' t
2 V8 r/ x3 t1 i" ?( Q1 u2 w
update-global-reputation-list
$ ^/ W3 y. c: [) `) U6 I" P
2 ^ V) v4 ]2 u) G- n8 vpoll-class
( Y8 C6 W* q! C0 z9 u7 s0 ?
I* f( z8 u2 b) ~" F7 pget-color3 b+ ~( S4 e/ Q: n5 d
( a4 C+ z1 L( j$ o9 Q]]8 V: r0 n% T/ [
! B% U4 s* J: U: n8 }$ x$ H
;;如果所得的信任度满足条件,则进行交易
, E' @+ M1 t- ^5 d, g4 h( y) Q* c) k- `$ I" N/ p) G' x
[* W; \7 x( y3 t7 Z* b
5 T2 l( {" p9 q! U& z; Z2 |rt random 3602 }3 r* V+ M( }) R% p
( b/ D! t o) |: ]5 r6 jfd 1
7 C) J1 r1 u+ f, Y3 Z/ }$ d G
) [+ i6 r( o% {7 V4 h]
7 b% t( @6 E1 Q3 `% q4 j
+ t: k0 C! t, Vend
+ f8 f: H* U* T9 J1 P7 ]1 m+ L* |5 Y2 f
to do-trust
8 F6 Q2 N, B; }, f. ]1 N t& d6 Pset trust-ok False) x5 W, \$ f# s5 p
. g/ R6 M1 O! c
* q0 l0 j I2 U/ d. Zlet max-trade-times 0
* b5 c, T/ C5 ^* @7 y9 X3 }& n) _" o0 Gforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]; r# R! [7 x; \, o
let max-trade-money 09 y. R6 ?$ [( x0 u* p+ \
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]7 N. v, B% h+ H" e
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
/ p, p+ u& l, [; X Y8 Q
' q/ ^0 N5 G$ G0 S) D% F, K* Z% Z
( D- E4 X9 L8 X: U V! h2 pget-global-proportion
1 w: V2 c3 ]- \( v' Y' ^let trust-value
& f/ T7 j- |9 J) R5 ylocal-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 h7 Y$ ]7 b1 y# Tif(trust-value > trade-trust-value)
, Q; C+ I$ y0 ]& p v2 A0 h[set trust-ok true]
3 \9 T2 w+ k. q1 o3 a; @end. R; _- a' g% m& ]) t
" L) m2 _& s: X: Hto get-global-proportion
7 v$ e# x5 s. J, J& h- \0 t' Jifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
- w$ J9 d) d# F, p8 y' H[set global-proportion 0]+ k0 j( m6 n+ V+ @4 I. X! h
[let i 08 X% W h+ r, n! ]
let sum-money 0+ |' |1 [7 ]1 @0 I- ?
while[ i < people]
/ l- o# d$ ~, }0 t: C[, |) Z2 a$ m0 Z5 [7 ~" o
if( length (item i# ?6 p$ ^' p- }9 \! N
[trade-record-all] of customer) > 3 )
9 _0 N! \: d/ j1 `" S[. o1 o# n6 U/ g/ Q
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
|4 Z/ i8 E: d3 T]
* J$ b$ x& u$ T9 z2 X. \]
, ^, J' J! t! J, i% B3 |& Klet j 00 G9 D9 N0 A; h
let note 04 H) [ T( n: }# K, x# _, Z
while[ j < people]% v4 `: w1 }4 Q% o! d
[
" ?, a4 \4 t: q% eif( length (item i
3 E9 r1 }: j" l. B* `7 b[trade-record-all] of customer) > 3 )
" p) G/ t& \, n4 F, r[
' P# r5 j* w% _6 s' U" ^' E+ q; Uifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)8 s- L% \- J8 h( X
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]5 W+ y; }0 f `# H$ `
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
3 @9 d- R1 a* b* r0 f7 s& ]]
) M% V' X( N, }) H$ U]; n1 z. n# I2 u7 s
set global-proportion note. H F ?* R, `7 f' @! r
]
) M! M5 V& y* E' j& S1 z4 bend
& ?* }# O6 W4 D. r# u2 a
! f, x4 ?% u9 Yto do-trade0 ^1 h# b& K+ |# Y! V2 {6 V5 H! [
;;这个过程实际上是给双方作出评价的过程3 `# {* V3 l' A/ k. L$ z
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
1 E `& f( r1 W( G$ G! Lset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
* M" \0 \6 S0 q0 T J. `& z" Bset trade-record-current lput(timer) trade-record-current
3 Z/ J1 D1 @3 Y;;评价时间- W2 S! V) V& |7 Y$ Z
ask myself [
+ b2 O, h( |' o. |update-local-reputation: n( t( x9 t( [0 k7 ^6 ?" n% H3 t7 t
set trade-record-current lput([local-reputation] of myself) trade-record-current
% M6 B# b. M5 Q]1 S- c$ _2 K4 F5 D% C
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
. d; I7 W8 `' B8 m& l( j& D;;将此次交易的记录加入到trade-record-one中
5 F2 D: z7 N" F! z6 ~set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)& ]# C8 E7 `9 _0 m/ ]
let note (item 2 trade-record-current )2 Z9 T3 e, \- S4 H& z( y, R' W: l
set trade-record-current4 _4 X- _) L- Q6 @% \
(replace-item 2 trade-record-current (item 3 trade-record-current))% K% J$ f6 @' @$ U# i7 R( I/ R
set trade-record-current
$ ]& x9 ?- t* ^3 B(replace-item 3 trade-record-current note)
( `+ X6 h7 G$ C, e
% ~4 K6 O% z, s2 o# E) H9 D S; ?2 b2 F7 Q. O& @, a& U
ask customer [7 w5 T) _ \ c* M
update-local-reputation8 e' d& }* H9 k! Q: c
set trade-record-current6 f6 X8 Y; [ I( c6 M
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ) j$ p( t& g, g+ [$ R1 Q7 J8 i3 [
]
" Q J% G- D3 D
7 y; @& Q0 R! O ?
* C# _ u M4 @" ]/ nset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer- R {# z# [0 H4 n
# a n5 |" l! l% O
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
1 Q3 U/ J3 `% k7 \3 ^;;将此次交易的记录加入到customer的trade-record-all中
" P1 U4 k! e3 F! [3 `3 ]8 v- b. F9 Gend
- V6 X% i/ o- d0 v$ c% s, u
0 u4 W& A3 s. C" z9 \8 Q) c0 g( u$ \2 nto update-local-reputation/ }* t1 g6 c2 d
set [trade-record-one-len] of myself length [trade-record-one] of myself
% p+ r0 J! ^+ L' M$ C: N. \
2 e; m. k8 [: @ G9 F) A9 b
% D, }) \! `- @0 p5 q;;if [trade-record-one-len] of myself > 3
" v$ o9 C9 x* t- {# iupdate-neighbor-total# R- w$ B5 u- T
;;更新邻居节点的数目,在此进行% e' V4 l4 G# m* j$ h4 i
let i 39 j( z! p9 P* k6 \$ {
let sum-time 0/ F* U3 M& `" _( L8 d6 ^
while[i < [trade-record-one-len] of myself]
1 n# {+ w. ?1 u3 [" w/ a[: W. C, s( D* W* V, J
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )$ b& y9 D0 X. L$ S4 p9 h8 U
set i
+ Q5 F; o2 a; U: R) y$ ^( i + 1)
* L- V9 m) b( f]3 L2 F" ]; A+ ]9 p7 s9 z `( y" d
let j 3
6 D2 e4 V7 F! u7 q" Tlet sum-money 0
* l7 d% ?. H+ |$ c& |3 Cwhile[j < [trade-record-one-len] of myself]7 K4 T4 f0 r1 M3 M8 G5 L5 d
[7 X2 n: }7 k0 M: c2 e5 x, H9 P
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); W8 x. H' Q y! A @6 M8 b, {3 e, v3 @
set j
& u" \ p) ?1 H4 r( j + 1)* U$ U& A: o+ S3 [
]1 R J/ t0 D$ x8 o
let k 3
; t, \9 L! @! [- }$ Alet power 0
4 ~# J, s+ d9 {# j6 _let local 0
3 n; S6 C" E5 Y7 u6 a& wwhile [k <[trade-record-one-len] of myself]9 N: l' `: R# N4 V
[
# a4 b0 b# c, q; E/ qset 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) ) Q* p- ^( W8 n& P8 C
set k (k + 1)$ o0 Z! }7 r- T
]
* F/ p) Z3 k/ p1 Cset [local-reputation] of myself (local)! F8 f Z: T2 _+ K4 K9 P
end' J. f5 R0 B9 K5 G6 r; ~5 A3 p
& K6 Y8 {# q! _ ]8 M3 Z# X: H z
to update-neighbor-total
. P: c4 ?$ ~0 W! K" H1 R' y5 H
" H3 u( s/ U2 G! E* S3 N8 r4 [if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]* n' h8 _* m* T, r$ u/ c4 z
+ C7 I$ E' a+ t' I3 T
% ]8 h! [# p- `9 w5 v( \; Yend
% a; O& F* ?" t& y% O4 K
% ~4 u5 i- S5 `8 h% Zto update-credibility-ijl " I4 }* y( u+ s4 C# S
& j) {, `* I* z! K7 z3 V# c; };;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。* T+ ?# N; N! {+ I1 R) n
let l 0* e* A" m3 y. }7 Y+ ~9 v
while[ l < people ]7 A' K. o6 b* \. 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)
1 }: Y, R; T% B; _; S$ K6 R- [if (trade-record-one-j-l-len > 3)
9 q: ~# S4 t/ \: S; ^# U5 G[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
; [7 v/ r+ j- A, N6 J$ x4 t. ?# Ilet i 3# q. A1 S' b" ^9 P: L4 E( d
let sum-time 0
$ ^' J6 q& G) D2 f5 {while[i < trade-record-one-len]
6 k1 c3 \3 D8 J6 } v[
f: P% c2 J% `/ \1 N$ d7 u6 `set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
6 ], P! [8 R( N# g- L" B6 g0 A9 |6 Dset i' y" g: ?6 m, J) o/ C* ?
( i + 1)
. n9 W# V" w+ }6 T]
w A$ ]! S" P; _1 C* Elet credibility-i-j-l 0
. W% A; X, F2 R& ^. q/ f3 Z) z;;i评价(j对jl的评价)
8 Z5 B- m% O; F& c' Olet j 3
0 _$ L! |5 A- M3 `( mlet k 4' T6 U8 A% P+ Z C8 ?3 B2 @1 r0 f
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+ o, s9 a/ P5 x, H% d3 C4 {$ t
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)$ b4 H4 m& h9 c8 f: W
set j
) P$ G" G4 ?# K5 f! {' W1 c( j + 1)
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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 ))$ D% B! t# P) n& Q3 Q, s+ C4 c
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
7 Z1 u8 }2 l, F, d, S;;及时更新i对l的评价质量的评价
; f1 f1 P& q2 I6 z) {! Cset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]& X+ R) C* [7 h, |- E5 t& Z
set l (l + 1)
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end* p5 W# w- h# c7 y
- Q* h4 M6 i# M9 i: y/ hto update-credibility-list
- i! E/ R# k7 Plet i 03 S4 }& i. E' m
while[i < people]
R6 y$ R/ }4 S- u8 T. ^( z[4 C) b* I9 M. k6 k2 o
let j 01 ?* p( J& q M% F2 @+ g
let note 0
. e% R0 \ z5 ~! z" m" Z6 t( d. Wlet k 0( J+ L/ [8 F) H" Z* q- K
;;计作出过评价的邻居节点的数目, |& i! M. K& d# t+ k. L
while[j < people]0 L5 G+ ]* J! S9 P) M8 ]: k
[
- r' T! d5 j6 h* D! C. X, _" bif (item j( [credibility] of turtle (i + 1)) != -1)/ v4 p6 d% O. `( a j
;;判断是否给本turtle的评价质量做出过评价的节点! q0 q/ N6 a, Y1 s& N
[set note (note + item j ([credibility]of turtle (i + 1)))
5 z, S. u. J9 ] U2 x. j;;*(exp (-(people - 2)))/(people - 2))]
2 Q; }% o: o8 \1 J6 @, A0 Fset k (k + 1)4 M) V9 Q) }0 w- Y. B: W
]7 ^; ~2 {, \0 |8 X2 J1 F3 `) ^
set j (j + 1)
1 }% D1 y7 [# `+ K- K: @$ g]
" | q, H1 G+ P& l% B& `3 @set note (note *(exp (- (1 / k)))/ k)
# c1 Q+ l/ d0 I$ ^0 Fset credibility-list (replace-item i credibility-list note)( c( R9 x. ?3 ^* F% A4 W8 O& k7 _
set i (i + 1)
; K/ P( f2 s9 g0 x# u3 k2 `]/ S! R4 |# G! W* P. {* b; A# z
end
4 ^/ Y( D$ R7 ?0 \
$ Y8 k/ y- l0 W- S* n+ \to update-global-reputation-list
# o8 ^: X- [, f! E3 i1 `let j 0. [$ X! m4 k: J8 k% S4 m2 {
while[j < people]* C9 r) K' M; {8 w, J O* a5 ^
[
- x% @. z1 w9 Z# G4 _* clet new 0
: A, ~8 u! C# {) Z: q. t$ P4 W;;暂存新的一个全局声誉
) S; {+ g" X' H! s/ elet i 0
1 k# }) w: T1 f8 Olet sum-money 0
+ V/ h3 ~( B; \ U' tlet credibility-money 0
/ n) S; _) ~4 q& y# b7 ywhile [i < people]
5 `! }! x6 \1 \8 x I[- s3 S& _; \2 t# N8 ~
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
$ H y# J$ c! M( J" _( ~! Lset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
, z. A# \3 ], i: s- Xset i (i + 1)
" Y" ?2 P' \% \ R2 f3 a]
3 l% [( v. a& B+ g' T: tlet k 00 ]# u9 M1 F- D8 E U$ \3 l; M
let new1 0
; r$ n1 y" \+ Y$ a: X+ |9 ?while [k < people]
B5 Z% \' }4 R1 M# _8 [( V[# K1 _ D# C1 B* N
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)
# Z& s. m3 M: e2 N+ t+ x5 u! mset k (k + 1)
8 n8 S! l' s9 x1 Z4 ^3 w* J4 S]
) E# E6 ?! W/ t o6 ]% Hset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
& Y! b7 a8 c, c0 i8 b6 p3 @set global-reputation-list (replace-item j global-reputation-list new)
9 y' ]' M: B" c! X* s; b' Y6 Jset j (j + 1)
, Y- i8 d O' v$ @) x: h: O9 W]1 Y+ ]5 u1 l5 z6 }* f3 L5 V
end: ~% Z0 @/ m2 ~7 L2 C5 D% ] `' @
: J% N4 L0 _6 I9 g$ u0 x1 N$ _1 P' c4 M" y- R% }& u9 T0 V8 Y6 M
$ p6 g6 Q" U) S( Y- \8 U9 x
to get-color1 X- m) X' u' O/ V, {* C
) Z/ ~0 j$ Q( [" e& U9 J& zset color blue8 \/ }1 r1 e& p2 m5 v8 F
end
" ]3 Z0 h, |4 X9 \
" }. m- L1 \* n8 [to poll-class
) L! ^9 m, @. d1 `end
' C% o; r. H4 n% Z1 s2 V3 I, n7 @' t1 @( J, C
to setup-plot1
D0 }: g7 X; P0 _! b; h, }4 p( n
; L4 _) J9 M4 Dset-current-plot "Trends-of-Local-reputation") n% ~" o) { E
5 a Q. @$ ]# P7 F8 C
set-plot-x-range 0 xmax
# G! n1 D+ b5 I$ }
; w9 r- ^" s% E% Y; xset-plot-y-range 0.0 ymax
( m/ U& {+ M* d# R+ Yend
& [& P- K2 ?" d: u. ]( g5 t- I
9 c- v, X' Z" K+ E6 c; Eto setup-plot2& A. d2 q' @" \1 l1 B
/ S; d- [) n/ |3 e5 q0 a9 ^* qset-current-plot "Trends-of-global-reputation"
$ e4 O& ]: w" @
. y- p# o: J0 A. l- e+ K# Q8 Hset-plot-x-range 0 xmax
# Q6 X. N8 M. i6 D/ M+ @
4 e) j5 `& ~. t H# C6 H( R5 V% xset-plot-y-range 0.0 ymax7 k6 {: @0 t8 x! r* W* t4 s
end
1 Q' n8 I5 u( r6 m! i j6 s5 ?4 q t/ n a Y5 u7 J, y, E
to setup-plot36 `+ d' ?% w6 |- A; Z1 o. w; i7 d1 _
5 v9 [% c' l: E# a0 E. R3 B" Bset-current-plot "Trends-of-credibility"8 R" \& U5 V, j) {7 w% |
. X$ |5 U- O. E5 T% y
set-plot-x-range 0 xmax- m( @1 q, z$ n" n
) K$ X. V$ u# @
set-plot-y-range 0.0 ymax
$ I# j* o/ c4 ^5 Oend6 w; m0 ]1 V$ v2 x6 F& Y+ u+ r
& V) \* V/ }5 X3 ito do-plots
8 f' x3 I# A! R" V- Rset-current-plot "Trends-of-Local-reputation"# Y ^, j& B' X3 O) r
set-current-plot-pen "Honest service"7 C8 a1 ~* n+ h r# ]2 B
end
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0 x; e7 ^( k% G7 c[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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