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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1 [! f7 }; ~4 R
globals[
1 H* q2 Q/ o9 E1 [xmax @& S9 [. T' l6 @1 f
ymax
" |" H. v p. o$ k) ?; Tglobal-reputation-list
! L; B# g" z1 ~- Q, J
/ U0 z& b: O1 f5 S7 |;;每一个turtle的全局声誉都存在此LIST中' a$ Y T. r' T. u# _' P
credibility-list$ C3 ?% ]/ R% D7 b
;;每一个turtle的评价可信度8 k3 W( P/ _7 t- u$ P X8 ^
honest-service6 L- E* l$ I; V; N, Q4 [
unhonest-service
4 ?1 I/ s7 f4 T* ?& Xoscillation
! `+ h" M" [4 Q! w' w5 Zrand-dynamic
7 E7 t' [$ C+ {& r3 [) m# g]
& a* w0 f" Q5 K1 I, O0 ~, g
* U% V* M! w+ M, A* _turtles-own[' N5 b0 t5 A- O1 `' E! [3 I
trade-record-all
l! R: }+ r" G0 l) u;;a list of lists,由trade-record-one组成$ A9 [: g9 N* x
trade-record-one
! S N% ?/ H) _0 o4 p+ N5 [;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录, H# K9 b' D6 O9 p
. O, |( B ^/ b% |8 g8 n9 F;;[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 D* }# m$ P+ h0 s5 h6 gtrade-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]
4 t* h. P. p5 y' |5 Ucredibility-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
+ O+ ^# y4 }) c7 b% jneighbor-total3 u1 H* A; T" f* p* b: @
;;记录该turtle的邻居节点的数目/ u* z, B6 p$ M: Y% W% E
trade-time
4 p# C) k, ~9 g0 ~( a/ f$ p) }0 M! M) O;;当前发生交易的turtle的交易时间
' D$ I+ X. P2 s5 I$ g# Pappraise-give
* p: S9 t- u) w# s, {: q;;当前发生交易时给出的评价" u/ G5 l/ s2 L+ \6 g
appraise-receive
& f2 W; \' c, k$ v0 x' l;;当前发生交易时收到的评价
$ @0 q" _" o6 ?4 b- oappraise-time
' c! |& l& T5 T& C;;当前发生交易时的评价时间 n1 h2 p% p2 K) P/ r$ H
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
# I4 {& X# A( k( a5 Wtrade-times-total
3 ^1 |0 j/ J, O; p2 A, J;;与当前turtle的交易总次数
- I$ n# m! y+ h% e! ~8 ntrade-money-total
, {/ K, R! z5 h' F" s;;与当前turtle的交易总金额( P* ~ `! @" ?4 d, e
local-reputation
& {7 i! \+ B3 a7 Hglobal-reputation9 h" V! N# _' y4 @& i. [
credibility
. {" ` }% Q6 K;;评价可信度,每次交易后都需要更新
5 f. ^ L P3 S8 e! Icredibility-all
% E4 z; y1 l+ m: E V7 t;;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7 r, ]& W; {: ]8 h
: w$ }; P" C9 r7 w9 E% M3 d1 g;;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. D9 Z; J8 F; {; C% S
credibility-one
+ c8 { ?& |' N7 y0 b. Y7 Z;;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 d! r6 I' D6 E7 R, z' a* h
global-proportion
5 Q& G& B6 i# N: V. r$ Ccustomer
& ~! p9 @, z; U3 s; \9 Ocustomer-no
$ ~+ d# M3 c3 Y8 u( ttrust-ok
: c+ W" Y: F P5 dtrade-record-one-len;;trade-record-one的长度
: a) j: X2 l, X- ~]" p% M6 L' K( z% y' P
4 D4 x' r6 g; s;;setup procedure( F2 m9 g. @# [/ {
5 g, o9 i7 s8 i+ R5 }) {to setup; E3 I: C% Y; U9 u. K4 _
$ Y! U5 k/ d' C, M$ j4 _. K0 Y
ca
4 T& m! ] b/ b w6 z( A: s: b2 X9 o8 C' u! R- g. B9 a1 `# F
initialize-settings
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crt people [setup-turtles]
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reset-timer# x9 b( ^. \! a" b( m+ C; v
7 `3 \; Y q' k9 ?/ qpoll-class
- s. ? C" C- t& g3 x
8 C+ y) o$ v% T5 M' E# hsetup-plots3 H& `! @$ g; a7 S
+ Q( ]' I( ~2 O* E- Cdo-plots- d" m" p: W4 _, \' q
end! R+ d/ T4 U# D0 P4 T
% L( Q& ~; k6 b; Tto initialize-settings0 i$ h! ~' d" f3 G) f. I# y% J0 A9 C4 I
% v ^! w* G$ r' L$ B6 aset global-reputation-list []
( d0 e7 [% W4 \; [8 t
$ H# `* X* v6 K7 K) t4 I- T8 D/ Yset credibility-list n-values people [0.5]
$ r8 A' F% c$ l# I8 m8 t& v6 R; Q2 _3 m4 T- i$ {8 Y; x
set honest-service 01 }$ z g' L" T. F8 @2 ?
. a! t: v6 z+ S( xset unhonest-service 00 M" z2 C5 U) L Q& ]' x# O0 |. `
/ g. I& E4 L: [set oscillation 0
9 |9 J1 @& O# y0 a# k* [$ [3 z2 u1 I) ^( d: F7 W7 q* V
set rand-dynamic 0
, T; W# r0 R# @end7 [; I: ^4 x* J) @6 S8 d
0 @! p Q9 {& a
to setup-turtles
9 q* ^2 F$ n M5 }3 e Gset shape "person"
) g2 A1 n- f1 x2 `setxy random-xcor random-ycor' y5 i3 Y/ x: i& i! n/ {3 \
set trade-record-one []
8 y+ p: Z* J5 H4 i7 j/ G9 h4 O% r: _. o- h; d' j w
set trade-record-all n-values people [(list (? + 1) 0 0)]
/ M8 i9 T8 ?6 ?0 I! p' @) ^0 X4 J6 d
/ h/ V: N& s% n0 N U. xset trade-record-current [] Z+ k( K6 L5 j. c: k
set credibility-receive []
8 p7 O7 l, }7 ^set local-reputation 0.57 H$ O K! D7 m* r$ o
set neighbor-total 0
8 I; ]. r0 ^. e/ z7 \0 dset trade-times-total 0
. u9 k5 \" T7 h. C% s6 r' k' Vset trade-money-total 09 g6 ~1 i% Y2 L) f4 l( p1 L
set customer nobody! O/ U# _0 z; C W7 D$ }& i
set credibility-all n-values people [creat-credibility] o/ G! |# t) n( t3 U" j* Q( d
set credibility n-values people [-1]- D4 u/ j# D# ?$ e# C) {$ a
get-color
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& d" _7 E6 o5 Y. |* mend1 N# A! R6 l. o. X6 d- x# @0 _: Z
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to-report creat-credibility
0 Q2 [: B Y( A- k. E* I# vreport n-values people [0.5]3 O4 N n, S) s
end, k3 ~$ m. \& D# e" {3 S
$ G- g6 `1 k9 S+ h; N
to setup-plots
" K& {7 a" X3 Q* l. h# s! k' C7 {; H' L H3 E+ b. ~
set xmax 303 J5 y9 l8 K& E! C5 s( S) [# L
' k- }/ U6 {) @' j. N' _5 v! s; h7 l1 ~
set ymax 1.0# i9 g2 h5 \+ P4 _
1 h+ s9 h% v/ L
clear-all-plots9 Q- ~) n7 P3 }" U# x- U
" u9 ]" s( V& U# w! q, ?$ g F+ Psetup-plot1' o m, `# p" s! E: B
3 a) S9 T$ h0 qsetup-plot2) y% v6 t: @" z9 ^' ~9 H
/ F2 U$ K" f! msetup-plot3
4 w2 N8 ]5 |5 Q( x# M- hend7 k) J. [& `% P# I3 I, S
: c, ]% i3 Q9 J! S;;run time procedures
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2 h( [9 `# P; j3 o2 _* o" T. [to go
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" y8 @4 h- r: c) q# E( A) p- mask turtles [do-business]
* x" k! S% G# S8 Kend! h& g8 s$ H; g( ~: H% V1 b
8 T2 ~/ B9 n* Y, v% Oto do-business
# U$ S: B- }! A+ z( x) |1 @' U, S$ f \" W P2 e- X& H
) K& r9 J( G) h. Trt random 360' M7 c9 @! E2 q
* V! c; r6 L ^
fd 1
+ q1 G% E7 Z6 Q) ?
6 |+ v# a/ n" t xifelse(other turtles-here != nobody)[
( ~6 x2 ?7 }" l7 O9 G2 [6 [
2 a* c G6 E. bset customer one-of other turtles-here
* s2 q8 {+ H! M' g6 s9 u+ S$ ~( {" a0 o. x! D! C
;; set [customer] of customer myself
/ _2 V: U+ T- a- ?7 ^' ~
% u; z* }5 k* g: ~: n! c Gset [trade-record-one] of self item (([who] of customer) - 1)4 {: Z" u& [. C; Y' `% j8 v
[trade-record-all]of self
E% ]3 k$ ~$ c/ m3 l2 i! r;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self& [9 N! E; {7 x; H: Z% G
f5 k7 g8 H* u/ w: A
set [trade-record-one] of customer item (([who] of self) - 1)4 U4 w4 l% F% k4 p, h) [* K, ?
[trade-record-all]of customer# e4 c' h! H- g
! G7 K n9 _) z( f1 A+ fset [trade-record-one-len] of self length [trade-record-one] of self& Z8 s6 U- E$ f. N* o) Y
# C1 J+ F n; _. S' }set trade-record-current( list (timer) (random money-upper-limit))6 a; v; t/ }" o2 @
6 b( H9 q& R5 y; M$ w% hask self [do-trust]
0 S, S! {4 b8 l0 N4 {. Y# t, d;;先求i对j的信任度
! y, Z1 [0 Q! c; B ]; x
1 N1 R) a) h) K! l9 Eif ([trust-ok] of self); A' `! I3 m: L' v4 I& q( y2 c* L
;;根据i对j的信任度来决定是否与j进行交易[
C! Q1 X3 J, C% X6 L& Y- Aask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself( S) B2 Q6 d. i% ?9 T" S
5 `2 o" E3 J! ]2 z
[5 [ w6 V( d/ u1 `% B$ n o$ k, ~
$ R* P) D9 G' [3 G
do-trade5 Q' g6 h. X1 v$ X
# ?& ~: J% t; M _; H8 \( D I
update-credibility-ijl
$ C% B& Z; i R- z; B; m% o
0 V) H+ ^* y8 F |* f5 vupdate-credibility-list
K' S$ m) ?; n: I
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update-global-reputation-list
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/ m, W- x2 O- _poll-class# t; ]1 s' c' Q8 y3 B
! T" Y4 ~1 H$ G% Hget-color
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+ w) ] x' C- t3 p/ T) ^]]; i+ i' d9 n7 N. Z; @
! P- o8 f/ K0 @/ y# s;;如果所得的信任度满足条件,则进行交易
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[* B" p% m% z8 z
, h! k# {6 C# C" a3 Irt random 3607 u/ [1 m' p2 P: W
0 A9 @! ~& v+ u! U9 v
fd 1
+ {/ W! U2 D% M3 a
6 K3 i b+ h: r" i]
~+ @' R2 B0 k; w1 |1 C& H, `+ O t; n% g+ q
end4 q! f) l( ]& l' J$ u- M! s2 D
, `, X3 |! C4 K7 O3 X- yto do-trust
" Y |7 ?8 Q$ ~7 Aset trust-ok False
) c/ C. o2 n/ q5 X1 P. v7 q5 \/ ]' L. d8 k. \6 A3 C
E( V; C" l' |8 u: G" k9 U, Hlet max-trade-times 0
5 S' w5 x* h. Z2 Y8 z. R/ Vforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]" C4 x+ S# @8 _' K: M. E
let max-trade-money 0 e1 p; o3 _* z/ S8 c
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]5 y' G/ ?3 Q6 g
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
; g8 O3 J* c+ v- s0 _9 g! [6 E
1 J) r2 {( \" v6 X+ o6 Q) Q: L
' _# g, A, P2 i- h; R2 r; v! tget-global-proportion9 N- }2 I" [% @$ H! }$ S+ i
let trust-value
' ~4 y: n: E. E+ w3 t; |+ Flocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list): w8 x, n0 U1 }
if(trust-value > trade-trust-value)
/ r9 x/ T) ?# B4 Q r7 d[set trust-ok true]
; r) x2 Z) r$ e0 o5 Hend6 z) w6 D" c/ F y* S
' f4 u3 [: B! x- U0 X3 i6 K1 H$ N Vto get-global-proportion
3 u+ B' ~6 e; f/ x) Mifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
& P4 U$ I8 W/ s% r+ n' C[set global-proportion 0]( w# {: U! `7 k
[let i 0
" I- w1 \' T5 X( Glet sum-money 0
/ \0 S _: m2 F$ B9 ~while[ i < people]
) l+ k: q6 ^/ [/ t# f6 V. _9 @[
5 c, b1 V; k5 q* Mif( length (item i% W' X8 O0 Q* F# T' ^
[trade-record-all] of customer) > 3 )
% A6 Z0 v& F2 O' C/ K[
+ i C' F$ k p) ]" m8 @( Y/ Dset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
, V' d+ Z5 F* O, ~( L. h]
H- ]' A! w) P r) t]1 m6 W. |% W6 U; O/ a
let j 0
7 ?( L! H$ m0 s/ b+ Blet note 0* _" [6 @" c" ]% L. Y5 A
while[ j < people]2 N3 i) f- J7 x( U! ~
[6 {2 B/ V1 M( y; C& e) }# l
if( length (item i
7 A" C4 {- [7 G! ~ X7 Q: s7 k, ]% }7 m[trade-record-all] of customer) > 3 )& c6 Y* f9 {; }4 \4 b
[1 P" A' A5 ^; s7 ?4 \$ W9 a
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
% C7 R6 O. w- i( ?6 J[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]/ K; y2 H: e; K) W" _! ^2 X0 @
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
$ a( e0 J# c! ?) p% M# t' T]
1 W& D% U5 C; j8 P& u j# x]& {4 m; \' o7 p8 V+ g4 L) K
set global-proportion note+ J' \8 E% v9 m
]" M& W- _' \& a
end$ j1 H! g# K6 }$ W) N; d
* P m, w. Q5 O# h6 B: N
to do-trade
0 c" O% p* ` h2 ^ ~;;这个过程实际上是给双方作出评价的过程
+ L$ ~+ |/ F; j/ q6 _: jset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价1 e5 n7 x c: F, f$ c! m6 @7 ?5 B
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价$ @+ e' C9 @; r' t+ T& b% c. `
set trade-record-current lput(timer) trade-record-current
, W0 R1 u$ f/ }- }0 D3 b3 T;;评价时间
. b: Y# U2 x0 D& ~ask myself [$ q$ S3 R# O2 v( W9 M
update-local-reputation4 ?; Q8 E. O8 N9 l
set trade-record-current lput([local-reputation] of myself) trade-record-current7 @& ~ p6 b9 m' l- V5 B
]
9 f E9 L! r" E5 \; i4 n6 [+ vset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself0 W7 o2 R" L) u6 o: s$ A8 V3 q
;;将此次交易的记录加入到trade-record-one中6 `4 _ q) M& B8 h
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)( I: m$ R! h- a1 x9 S. F
let note (item 2 trade-record-current ) K" D9 t& w6 S4 B8 i b
set trade-record-current1 F8 c3 p1 e, h5 L3 q1 I. ^4 S0 g- ]# ]
(replace-item 2 trade-record-current (item 3 trade-record-current))5 @" l5 w1 f5 E1 x, d# T
set trade-record-current
8 C' p) p# ]7 d8 y- w. ^(replace-item 3 trade-record-current note)
3 X/ b) {* M9 R( e' ]8 x% e) g1 B- m# {
N; p" f5 s; K/ Z! {9 fask customer [
2 N' _9 q0 ?3 E; v! P: t1 s3 rupdate-local-reputation
+ t1 F$ Z! V5 F: hset trade-record-current
* x" J9 y* l4 U, I(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) . ?2 o' S! j' C- I
]
, D2 e$ n ?" b2 y: R3 o, A( d2 N' W$ g
& o) a/ ?% L% d
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
5 Y P% b. ?$ A) _! b" J& [/ _9 i: e6 s8 P6 w1 d$ W# x) L# j6 r$ O& q
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))# i" a2 m+ {! l0 _/ f% \; c5 c9 I( A* \2 Q
;;将此次交易的记录加入到customer的trade-record-all中
# w v/ E$ v5 p" F% Z, R+ S# q/ |end
/ `/ T; K, |7 W G: D
2 [3 t3 l3 E2 a4 ]1 ito update-local-reputation* f0 r8 W& n4 J; b
set [trade-record-one-len] of myself length [trade-record-one] of myself
" Q# u: h" x) M6 J5 `( y" y1 l) a! U! E, T! p
& w$ D8 E% S) Z( u2 ^% N, x' B
;;if [trade-record-one-len] of myself > 3 8 p6 p1 O* q! |; s1 b
update-neighbor-total
2 D5 _- T/ s' k;;更新邻居节点的数目,在此进行
" z/ D7 t9 v N& ]# Jlet i 3* J! y7 I! t8 h5 A6 t8 W& y
let sum-time 0
, P& d: H* X- [$ zwhile[i < [trade-record-one-len] of myself]
: l# X+ O; p0 O2 s[9 r5 V) Y( M' J
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )) B+ q7 \3 `8 T' _1 j3 c1 d: q
set i
* n% X7 ^# x2 a+ q+ q( i + 1)$ B% F5 @) y( r. \6 V$ q
]! d7 b% C, }6 S# H7 q# \
let j 3
' X) J7 n$ F! t: J2 V& G: s# {let sum-money 0
/ Z# p# U9 I7 l' iwhile[j < [trade-record-one-len] of myself]
: a0 T, p0 W9 F1 q& n! k' S. m) K/ [[
) ?% I, @' t2 c6 I" _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)
% _$ G, T4 Z3 \set j, }3 ?2 S- q# c4 l5 g3 ^2 y
( j + 1)
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7 b+ E$ M+ o# |( U8 ~let k 36 n d) }0 G: ~
let power 0* C z4 x7 r+ n
let local 0; r5 j6 b$ |" U) A" U. n
while [k <[trade-record-one-len] of myself]
' I! [7 V2 d& F% h/ Z[0 t4 F* H0 D! x# G3 f
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) $ T4 b; f5 S/ w& f) ~" {- L
set k (k + 1)
. |/ s& X1 _- y. ?7 v+ N]
6 g! {6 W z% O' Yset [local-reputation] of myself (local), U" b& [1 ]9 E" Y5 q+ H G+ y
end. _4 I5 y1 \' g: c4 g- G
. @5 F, f! w( Q: ?
to update-neighbor-total
$ w/ ?) H' i' |: s7 u9 N" s2 _9 L% p9 z2 a8 H. z3 W
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
( q$ [! u9 c9 t( |$ t6 y
7 u0 ]* `. c+ @% a3 c& {0 \4 ]
3 a$ [7 p' n4 I9 V$ nend3 h- y7 t& ?! F) _0 g( q) [" E
1 J9 J, Z. a1 r' tto update-credibility-ijl
6 N( Q: R3 o( w7 c4 n' t8 J
8 C) r. f. p% N- k;;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。
) A7 G! _5 a) b2 Y" J' A+ tlet l 0
# N& t0 m9 A1 \' [while[ l < people ]8 r6 K! A$ H- f; H) I# j8 Y
;;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
g. j9 m: ~5 D8 D+ x) {[- o% Y: U' a7 I. x3 R
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
W& _9 m* C: V# T5 vif (trade-record-one-j-l-len > 3)
# a; B% ]: {4 C/ n% p6 h9 @* b[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
2 ?3 l) _6 v6 U4 Q) nlet i 3
/ ^. M! }9 ~9 Z; {3 zlet sum-time 0
* q4 ^* Y+ h8 ~while[i < trade-record-one-len]( V7 u4 s. f% ?5 c' R
[+ ]$ E4 f* ]8 w
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )$ L+ b4 F# ]: S% U. D
set i/ n9 A3 t0 _9 V1 F( P9 \
( i + 1)
6 A8 ]! C# z G0 t4 L9 a1 \, []
6 l8 [4 n2 T6 [0 P( q. z3 H- Rlet credibility-i-j-l 0" o w' g7 N+ E+ n3 \
;;i评价(j对jl的评价)6 L7 L1 y8 o0 M" F8 ~* i
let j 34 x; j: U" j" \& v7 G" o, C
let k 4
5 y4 Q* F9 l M6 m# i Kwhile[j < trade-record-one-len]; G; c. l' y( s
[: V: _9 \& h$ F: \
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
4 N2 f5 y& ^! x7 l/ eset 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 T2 u5 @5 e; Q5 K/ d/ _7 `! `set j4 G" S/ L V' j* \! ?4 T4 T
( j + 1)7 W. N: S3 k- ?
]
$ w Z* u& `5 O! @1 Zset [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 ))
+ o6 y8 _* I7 d `& B) V; u8 j, u7 [, k9 \$ o' d3 z
3 A& o- z9 l; u- t* v4 N2 L, c4 f2 _let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
2 |7 M# I8 I( ?) k;;及时更新i对l的评价质量的评价
! ]* x9 q% Q. @set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
/ Z6 O5 V5 I9 ~* b- _+ x0 x5 Uset l (l + 1)
; [; v: o: s# K, F$ |& C]) K* U. x( M9 C* Q& l
end7 M0 c9 ` N" N3 @
) {+ x# O0 u* ]# X `
to update-credibility-list
# N# K- Q- j9 }8 alet i 0
6 O, x7 a2 l" H# ywhile[i < people]% Y. f1 T$ i) e, Y. C( ~
[+ L; z' o1 b, G. P& m: E
let j 01 D6 p& z7 M& K5 e
let note 0
2 m6 N; x) |/ {4 `( n# Jlet k 0
/ E4 U# L: |8 U$ }) U1 S;;计作出过评价的邻居节点的数目: V3 }8 U+ b( v; G1 [
while[j < people]
, `/ j0 o$ d3 K3 T) m[) O0 h- |9 I" m
if (item j( [credibility] of turtle (i + 1)) != -1)
2 v$ V5 D5 g. c+ j. F3 N# r/ g;;判断是否给本turtle的评价质量做出过评价的节点5 E' C/ |( g: k+ L3 x& z0 e* B0 F
[set note (note + item j ([credibility]of turtle (i + 1)))
% w9 E1 j4 i; ?8 h! ?;;*(exp (-(people - 2)))/(people - 2))]4 R+ S) A0 j: @5 t& v2 |6 l
set k (k + 1)
& @# p: D+ F4 R]
& R Z# P4 d) J4 K0 q7 q+ ]- Yset j (j + 1)
2 z2 O6 a& n, z6 E+ k]
z" W) L% `9 y3 H: w; n; q1 rset note (note *(exp (- (1 / k)))/ k)
7 i" Y9 Y9 S1 m* ?: jset credibility-list (replace-item i credibility-list note): @' `' r+ k9 {$ Q# O& _7 X
set i (i + 1)* r# e& h: m \/ K$ l1 B
]* W8 v! Y# s( i& A
end
" o L$ E1 Y) j$ t/ `8 _0 B/ q u R0 @# i" f# I* e, O% k2 }, V! f
to update-global-reputation-list" {9 C+ X" H# h2 b J
let j 0
# t" J# B. R7 R5 S6 a% `" qwhile[j < people]
" G3 r3 v. Q" p; t* u$ S[
! k1 e' X$ }$ m0 k' Ilet new 0
& w" j4 R; v m, J;;暂存新的一个全局声誉6 [, Y- y0 M7 h1 E5 A6 I# V
let i 0) Z' `5 j7 E. i! `
let sum-money 06 v; E4 y9 ^5 `9 v6 E* C4 U& E1 P
let credibility-money 0
+ j& V _) x2 H# r7 B- d; ewhile [i < people]
/ s; z# F3 ? b; \; T$ q6 o. q2 O[2 X% j& e, v4 D, [1 @
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
9 `8 G. c# n% t- K& R$ eset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
9 Q+ @, ~. {4 M7 E6 hset i (i + 1): p [7 j5 K/ x& c( N& Z( A% W0 h
]2 i3 h9 Q1 k \5 L4 P- m, u
let k 07 G+ _: q) u# a* m" c1 f- U" a7 ?
let new1 0) y/ o9 q) `- r% {$ C4 a
while [k < people]% i5 k) q8 z: k, [, e
[1 f3 D" \" Q ^0 _" i
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)& L. U5 ?: z& g
set k (k + 1)
% K2 g" _1 g. P1 ^2 T" j]1 I/ ?. E) x) B# F7 D" J
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
# g5 i& s9 j, H: Mset global-reputation-list (replace-item j global-reputation-list new): I! q r' Y+ f
set j (j + 1)
+ T6 R/ _. ?* L+ O1 n! ]" J0 s]% H# J' I* b9 S8 }# E T
end% b5 k; t3 A# f# [+ c( Z. G
: b/ \ c9 N: J# t, M, p6 N5 X2 K8 W4 ?/ } [, Y
: p1 T6 R/ Y- b; e
to get-color% J* |% ]6 H( v; h' a1 l
, Q w- D/ L8 b5 C3 i6 j
set color blue, _1 J* P1 R/ [9 @$ P7 y
end" [+ E8 E; H0 v( b
+ k( {( f5 ?3 {3 y3 P7 m
to poll-class, P3 e: u6 @" B* m1 C9 K, i: c0 o, Y
end0 G' G8 `* v& s) E
, B6 e% s, b$ U9 o& bto setup-plot18 e5 R f( o) ?. t# { L
3 _! e/ q1 X6 K
set-current-plot "Trends-of-Local-reputation"; y0 W, n+ J% n( ]
- u0 u% b8 \2 V; Q5 S+ a R7 O
set-plot-x-range 0 xmax2 w4 C$ W+ Y r) D4 @% W& t
. D* D; T! e1 d2 m" j2 `
set-plot-y-range 0.0 ymax
$ y' L) c9 o- Z, }3 i" pend
6 J- u; y' X" l: d. X
7 S4 p- F: I9 l% r- v( x! i M" c sto setup-plot2
1 O$ o0 p1 S. p4 |' }- i8 n9 \0 b0 T% m$ E' N9 Q) \
set-current-plot "Trends-of-global-reputation"" {. m& ]) A, }* u, L l
, ?5 v' Y/ {/ p/ K* v
set-plot-x-range 0 xmax; O& P- z9 ~& f5 ?$ b' m& H) s
: w6 W' X2 ?1 F( G/ l
set-plot-y-range 0.0 ymax. t' H$ {; V, D% {
end
, w. O3 T- e% J! I2 N4 M5 ^# L
2 \, K0 P5 H/ W/ Q: d1 h7 zto setup-plot3
( _& y/ x: u+ c# W3 ~3 s8 F) P, s. n- `; h
set-current-plot "Trends-of-credibility"( d9 a; R S$ Q) q4 Z
6 R; D5 l: u" d' `. m! Oset-plot-x-range 0 xmax5 G# }/ v; X' E- `4 {
: o7 w0 V3 f7 j8 iset-plot-y-range 0.0 ymax
7 M3 w% B) V2 T- d3 Kend3 l; y) p. [5 {; ]9 i5 |
8 |# m' } e- K% h! Qto do-plots& W8 c2 P' L( o/ y# @# W( a
set-current-plot "Trends-of-Local-reputation"
* A, }9 R1 t& wset-current-plot-pen "Honest service"
* |' Z. M! ^, wend( m2 O0 i4 G' b. B
- F q2 U& U& N3 l
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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