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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" X1 P( z, ?" ]: B
globals[
# i8 n* O# f2 e9 dxmax0 a/ i5 f9 r, [2 k1 s+ n6 a
ymax
$ l4 v* h* x2 M( `- |( M0 Jglobal-reputation-list5 X- B a3 r. _0 o
0 Y, S P& F7 h8 K;;每一个turtle的全局声誉都存在此LIST中
1 P1 ^3 ]# G! C+ {credibility-list
* }7 \, S b+ ]+ W0 g;;每一个turtle的评价可信度
/ ^' G$ B$ @* V8 o. s7 ?honest-service; R7 w- p6 k# o# L, ^
unhonest-service
5 V) P0 T! n6 ?; x5 q7 s% a5 [ Woscillation) ?3 H! @ J& J V
rand-dynamic+ c+ a7 b; G6 z! Q* M0 P: d' g& V
]/ J5 _# M2 X2 y! {
3 a7 P0 ]7 ^! K$ D) n4 E& F! c3 Q5 s
turtles-own[. i6 s5 N9 t6 e& J
trade-record-all Z, h) n, i$ Z3 u0 [. t
;;a list of lists,由trade-record-one组成2 n5 N5 r z6 B& z* U1 Y
trade-record-one F# O6 p2 {+ \# c/ L
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
- W3 K2 B) o0 n
3 Z) J" p# G1 C;;[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]]; x& @% I' A" }3 [" t4 S
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]" @! l( K9 J6 W* W
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list1 H% v7 N! ]/ { ?4 W, Q
neighbor-total* s1 ^6 U/ N4 u' \! S, J4 f) k5 F$ K
;;记录该turtle的邻居节点的数目2 I% p8 y0 Y5 j% \; t1 o4 r
trade-time
# Q) I u& ]3 `& v2 `1 x;;当前发生交易的turtle的交易时间1 P; J- {0 E; k8 `2 u8 ?" p
appraise-give6 g5 O. ?% T- f& ^- ]8 Q- a9 x- r7 o; u
;;当前发生交易时给出的评价
/ ]6 D3 A, m0 G. P% E/ xappraise-receive
/ O1 B; D) W4 i2 v, B;;当前发生交易时收到的评价$ w* s3 @: ] j4 x! y6 Z4 B
appraise-time( r* z* g! K$ [7 a
;;当前发生交易时的评价时间9 u5 c$ e! J7 S
local-reputation-now;;此次交易后相对于对方turtle的局部声誉' P) p% @; l5 J- n b
trade-times-total; J& [% \, _' Y8 [/ F! j
;;与当前turtle的交易总次数3 n- W. [# G1 V# U8 o
trade-money-total( B6 d' [2 v# o7 {
;;与当前turtle的交易总金额
9 n% t2 o$ O, I4 v% j' U* j- dlocal-reputation
; r1 a( M, l3 B3 [9 q, }global-reputation
1 M: J( O% e8 hcredibility' o2 u% M" H0 P; W+ g" L
;;评价可信度,每次交易后都需要更新- I3 I% e7 D3 ~
credibility-all
1 [ I4 W' @% S8 E2 E& c. 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
. I: x" U; M/ X' n8 m6 T( L
8 V$ U. r; [' s;;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
2 T8 o) E- t4 }* G3 L% z/ Ucredibility-one
+ @6 v, Y' K- a9 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
* ^4 F; u1 |2 h3 R+ U6 E! K* gglobal-proportion: N& i% w1 e, f+ a
customer
# c* |( {1 q6 e$ F) \+ u; ]; pcustomer-no
- i/ E9 c- C" T+ f7 M* }4 {( a9 _trust-ok
: ]7 z. }0 J5 X$ u( w( Btrade-record-one-len;;trade-record-one的长度7 x% b* G5 ] P& i0 n2 q
]$ N+ E( I. O( a X! `! ~: k+ b
( ^8 @$ G' p: R8 w8 |, r! h; ~;;setup procedure8 `8 |7 u1 F" w' I
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to setup
9 U0 `6 v5 ]2 N7 @7 n' Y% R- w3 ^
ca
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+ e9 Q& w" _ e3 H1 pinitialize-settings
" p1 B3 V& S( m2 A4 t6 X: J* D# R( r' T' h- w' O7 k% {8 a
crt people [setup-turtles]; s+ e( L7 u5 S+ |
/ v; J& _2 v+ ~/ r! p$ R6 \
reset-timer) R* Z4 ]4 ], o' \/ ?
! w" `3 r' A7 r w( f* L
poll-class
/ z. h: q' C0 _' S- N5 P1 e: m7 h, {' d# d. |
setup-plots( |3 R7 b# |' e; H! H# j
* F8 x& A( _( y" J1 ~* rdo-plots0 H3 S8 Q2 H l% Z& N ~6 e+ m& A( }* I
end# e, A! F: M# O* B
% b) }8 _& _6 n Q& E E4 @$ ^
to initialize-settings
9 A" Q) ]' s8 b2 b0 J5 U) y2 _- G1 C& b/ i
set global-reputation-list []. w5 [, }9 ?9 y _/ F$ |+ U
/ P$ w1 d* H @" w7 X# l. i0 f& W/ b
set credibility-list n-values people [0.5]6 V c, x1 N: {: P- j7 {
T, \( S1 M' u& I
set honest-service 0
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set unhonest-service 0$ o7 h G: c3 `5 q1 P( g
, @: k' P. ^, P$ T [8 [set oscillation 06 Y% }" m7 j, u1 ?' O# y, _6 x
- H) F- Z7 G9 p F9 v, W1 I
set rand-dynamic 0
$ e! {/ Q/ M* {; h3 s0 b$ Tend$ Q {; y3 v# g5 C& J
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to setup-turtles 0 V, T8 J+ u# j) K" M# [
set shape "person" x8 G* [* L. X/ e5 \) P8 F6 E
setxy random-xcor random-ycor2 V& K( E' U# e \7 G; x1 ^& s m
set trade-record-one []
* Z3 J* g! P& m; y; E- w$ v
, x V7 u7 {% J# D; p2 fset trade-record-all n-values people [(list (? + 1) 0 0)] 5 s0 ~3 m1 x7 ]1 }) o# ]
/ q- i. X e" q- L5 D# W/ v- W! O. S4 Lset trade-record-current []7 p+ O, A8 q1 j& k
set credibility-receive []6 G+ Z5 Y& c6 t6 z8 Q
set local-reputation 0.5
/ S" w: e2 f, i+ S' oset neighbor-total 0
2 M: v. z& A% C0 yset trade-times-total 0
- I; S5 N( b8 p S$ Uset trade-money-total 0
/ {$ m* J0 G: _& C8 x3 x+ F: c- @set customer nobody
6 o8 R* U8 c6 m* xset credibility-all n-values people [creat-credibility]/ G7 v$ T3 Q8 v% k* Z2 Z- }# \/ b
set credibility n-values people [-1]: ^) C" C+ I1 a- H& z4 v
get-color2 B7 X3 H6 d) p; o5 h, e* i, D% C; O+ {
) m- V/ K9 m# ]+ ~8 m& k
end% l6 N+ O. y3 Q) F, H
( [# V5 G* `- c
to-report creat-credibility* @) i# |# {: `- K
report n-values people [0.5]
7 A' m! Q0 |; h: t2 w! iend8 D3 m0 f9 @6 X1 y# |
6 c# S1 p; ^ L/ S& A2 [to setup-plots
5 ~+ _4 f% x# `7 O! S% @- h, \4 X( z- v8 }1 ^) }/ T
set xmax 30
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2 v( ]8 x* P9 {set ymax 1.05 V# Y* f6 S% `* m
3 ?0 e3 E' G( ~, C+ @3 Y9 ] D6 x# S
clear-all-plots/ R) O) q. j# U8 R- h
5 }$ e. M4 L& J2 c$ j$ \4 Msetup-plot1
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setup-plot2
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# [0 X4 U& X8 K6 E5 r# x& Q/ ksetup-plot3
3 |, G3 y2 u& ]! z# I0 Q6 s0 N+ a5 eend; J1 g- x" z4 x4 H1 M8 |: k" R
6 E, Z9 b7 m) b* g I# V;;run time procedures$ C: ~1 x( o5 F9 e& p9 Q1 y
% O6 Y5 q* V0 v1 ]% T. qto go1 ~* _, k' v3 t& [8 R6 b9 L
7 d% J& E+ G: T% [. P: J9 U1 B
ask turtles [do-business]# v7 x% a8 D- B
end( @- L1 W7 }* z* w
# @5 B3 s* I% g2 d5 Ito do-business & m/ r' b6 b* t5 t2 [. M& ~0 p
/ U7 q( a& |( L1 S; t+ X, k
/ j3 d; R- G x$ z: Urt random 360
: u& H E+ {$ ^6 R2 z& [3 s, y1 F, O. v& w* Q
fd 1" A( Z+ w8 p- I
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ifelse(other turtles-here != nobody)[9 i0 Z/ b/ ~' q7 W: E, w
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set customer one-of other turtles-here( @8 I' L) _9 f9 p- o6 J
1 R9 y- c m, @* f. W) D% T;; set [customer] of customer myself! P) v) ^7 A" e
1 H: k2 ^ X2 Y, _& Oset [trade-record-one] of self item (([who] of customer) - 1)* v$ I: E! ]. [, d: I
[trade-record-all]of self2 p, A1 t6 Z; z, D
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
* { M- P/ G/ w. r$ T( u% r1 v; b; }; O8 e
set [trade-record-one] of customer item (([who] of self) - 1)! b( B0 _8 B6 W V
[trade-record-all]of customer
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set [trade-record-one-len] of self length [trade-record-one] of self
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; Z/ g% f0 L5 E2 t. pset trade-record-current( list (timer) (random money-upper-limit))
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! G- I- }& Z% B5 N( q0 ]; Eask self [do-trust], i6 Z2 @( d+ b: R8 H& @- v
;;先求i对j的信任度' l& K- `: p* R# a& P) ~( u
. {* k8 v5 \8 }" w
if ([trust-ok] of self)
4 W4 o6 x5 e& Q/ G; P4 P; B1 w;;根据i对j的信任度来决定是否与j进行交易[
% r" P, L+ z* y& X' {2 M, kask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[9 t) D; D1 @ k) a5 x
+ A5 q `8 B H, R* M& O/ c. Xdo-trade; z8 c/ c/ h2 t6 @
: c0 q$ Z2 B6 S
update-credibility-ijl/ g! V, A8 {2 W4 P! M3 U
/ k2 Q$ e% m$ y5 I# ?3 {, J0 e5 bupdate-credibility-list
, w$ |& `) [1 N& ?: q6 s7 m3 m; a( G0 B+ {
t3 l# J1 I; M8 l! F. w( d+ D# u/ T- q
update-global-reputation-list7 B! c. `- a o2 \8 r' I/ d; [0 }
P$ ?. b, i6 A2 p3 m4 Cpoll-class
+ s9 Q2 ~, W2 g- z0 o- I8 Q# N2 v* n( v; u8 J
get-color! Y7 o" _8 r% x6 J
5 n1 K7 b6 w- A$ ?]]
, u2 g: D3 P2 e7 A" r5 l3 W7 m
) E/ Q" ?5 P' \) Z1 e8 y;;如果所得的信任度满足条件,则进行交易: y' o0 e: o- r) K& {, \0 W+ `
! A6 w- ^) I2 C; S L! J[
# P% R4 H5 l5 i) v, ]) o
5 A% m% q/ F3 y! g; N* Zrt random 360
* J/ g G6 m5 `) o, t! G+ B+ I- ? N0 A2 L5 X+ p3 _% b# Q+ s
fd 1
* R8 r% A2 ]: X/ q* A0 b
! V" P3 E2 e2 U3 c _7 b5 \]' [) A( g: j1 k* Q2 N
( [ {% H" V; I) v0 P' lend4 w+ p9 A! N8 X
2 e) g4 f/ T& u: ?
to do-trust
0 Q( j) f' q: l, G. J q3 Nset trust-ok False8 a2 g* M/ w; G4 D ~4 d7 S
% G6 O9 f" F5 J
6 T1 m$ |9 L# j g9 c: wlet max-trade-times 0( v7 W& i9 ^/ ?6 g# }9 K
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
/ j& X) Y; {0 E4 q Slet max-trade-money 03 N( a! s+ c/ Z( v6 i7 ?, D( s
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
I* q& }' F p% J( _$ N2 hlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))" `% T2 W- J- \; y6 y
. e$ ]6 g; g/ D/ K5 } ?, y0 D! ?' |/ Q3 A/ \8 B
get-global-proportion
* C: n7 s" i8 zlet trust-value/ W$ G8 p$ B. t+ r0 I1 R! ^
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)- i$ W' Z. o0 E @$ C7 P
if(trust-value > trade-trust-value)
9 J, u! [, C: U3 [: w' l[set trust-ok true]; C% d6 n" g. R$ n) r% E
end
* g6 V6 h2 a. s! h& |8 n. P( U' D% A+ B5 h% @1 }
to get-global-proportion
) H( }9 W8 n1 _* T6 \) oifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
: m$ i7 h2 H2 k' R[set global-proportion 0]
) I9 W0 E0 E8 Q. \8 r[let i 0# {. I8 a' _5 c3 Y7 K! B
let sum-money 0
7 M0 L" W9 J- _. Z2 E" R; I$ k. W# {while[ i < people]
8 V b" c) g* i% E[. s( P0 j: {* n$ k8 ?
if( length (item i b' {6 X1 z0 w; B& F! [
[trade-record-all] of customer) > 3 ) m* S3 ^4 l2 k1 Z
[
* f5 ]9 D( B1 W) i" f: d( Kset sum-money (sum-money + item 2(item i [trade-record-all] of myself))/ \, o7 c2 w4 c q: A$ j1 B0 o
]
* t0 b$ G, z8 k]
. C3 @6 G2 Z, q p% s5 A5 ~let j 0
% K1 _, X, M) Q# g5 g1 R! \! dlet note 0' g! [- K' j2 f5 W
while[ j < people]1 T' x5 o9 f: E6 ~, D
[8 R C8 \: `$ Y
if( length (item i
( p C- _: A- h4 w! C$ Y: s[trade-record-all] of customer) > 3 )4 K. h1 d8 K8 C$ I. x
[
5 r. Y# K, Z1 [1 n$ \1 rifelse(item ([who]of myself - 1) [credibility] of turtle j != -1). K8 q; W5 Y, g; {, M
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]$ R( L5 C* y% d& H" ]% g6 k
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
2 Q n% K: J0 l1 f]
" n9 n: x" H, n/ j4 e]; L; U. |: S: y! Q9 B) _8 p
set global-proportion note
: b7 Z. P2 x/ ?, N i) G]
8 ~2 U$ B, y0 W% u4 M+ M3 }end
$ D- N/ F; c. N) D: G, {. A. s; m2 @
* }/ d- k- N# ~0 s3 J5 T+ Gto do-trade
1 {1 G# I( U$ J# n" i# p+ h;;这个过程实际上是给双方作出评价的过程
- J+ m& V6 e0 s1 }3 ~set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
3 k w! v6 {0 ~set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价) r% C0 p& T7 d( ~: D+ t& G( \
set trade-record-current lput(timer) trade-record-current
* \* c* P! d* f, P- H1 z. X! n;;评价时间
5 Z! @# I! U5 Y! t' V: Qask myself [
0 F; B+ i7 w$ |$ l4 Uupdate-local-reputation
5 s T) Z( g( y% N. O* d2 pset trade-record-current lput([local-reputation] of myself) trade-record-current% f7 k# J: A6 y) m. O' Q
]
$ i/ y- |( N, p# L3 oset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
3 i9 Y; I, f& ~# ]; S& g$ R;;将此次交易的记录加入到trade-record-one中1 K* E2 u' `/ E( r" u
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)$ G0 L8 k) w) B5 Y
let note (item 2 trade-record-current )
! \$ [: |! ^; l6 j" \3 sset trade-record-current
2 V% ^- c2 X: p0 N(replace-item 2 trade-record-current (item 3 trade-record-current))0 B5 ?) M/ b; f4 ^5 p/ {. e0 _! `) S
set trade-record-current3 l1 Y1 m2 P- x% v7 E8 f
(replace-item 3 trade-record-current note)5 Q$ a8 |& n- W( l l. s2 N* u, s) X
5 k+ o' E f2 X
2 {( T- F0 X2 ]- d3 Q2 K" _
ask customer [1 q: J7 {/ r' s1 H) w
update-local-reputation( m. r3 Y! g0 S( B8 V; C
set trade-record-current
0 B2 S8 r" W, i7 T(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) f }8 V, _( n1 F+ c
]
; N7 ^* F: o, z9 f/ k5 c% B4 c$ } _5 l. {+ M$ V% _7 [2 c
- i& i5 X1 n* [! L' b1 lset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer# o& ?" l. ~+ ~8 I
/ P" h4 ]8 q. N( }1 X2 b% S
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))) S- a' G; v! q/ h- g6 V
;;将此次交易的记录加入到customer的trade-record-all中% O( M5 E$ }) U: k9 e( a+ r
end
( ^1 X, u# q3 q' j% u% B. S% ~; ~, j# O& b+ x% L" M
to update-local-reputation
/ s& R; G4 Z) g W8 H# S! o% V) z0 Kset [trade-record-one-len] of myself length [trade-record-one] of myself
\6 z6 p& [% r
% g* o' c( D: O! Y9 |( h' h k% x- i2 I' X9 k
;;if [trade-record-one-len] of myself > 3
1 k% S7 c5 r4 ~update-neighbor-total& l9 _- v2 w3 S9 F; J$ N
;;更新邻居节点的数目,在此进行' t! d% c% J2 U3 p+ }7 m
let i 31 I0 _2 b9 b5 F
let sum-time 05 V* r) e" q! J* }, y; l% u
while[i < [trade-record-one-len] of myself]
* i4 I$ ~- Z% ~( \$ e1 G[
* C5 ~3 V2 _6 m/ iset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
0 W2 Z% z% ?: S. [2 P3 @# H1 |set i' ?+ a. c/ s: f, f* u2 O
( i + 1); M/ m) |; O; S! g7 C
]5 }3 T# C/ l! v6 o
let j 3; W! g" n- R) i3 g! k3 e0 w
let sum-money 07 y" ^* l2 b( F+ u/ S
while[j < [trade-record-one-len] of myself]. ~6 |; \' `+ ?
[
: u4 q' L% _; P% s+ Vset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)" C; q) O: b. N
set j
4 b2 Q3 H( F1 @& ]" `( j + 1)
8 }- c% U" f- x: P]# e# L2 R) d# F2 X6 c8 {1 L
let k 3
6 o3 |4 m) t, n. |# d% X p3 Wlet power 0 l- X# E" z; N. M
let local 00 S& u# v, R+ A: u" ]
while [k <[trade-record-one-len] of myself]
, K1 f, u0 i: e8 f( c[3 |5 r- N5 y4 C/ Y' Z0 u4 C* h
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)
?, h2 [ C" x, Aset k (k + 1)5 N3 G. L+ u6 W( t5 v
]
" e/ t: \ C9 x, Rset [local-reputation] of myself (local)
9 A+ S, y; Y1 Wend, d5 v3 S# n7 B# k7 I. t
: h5 \0 z, b0 |0 P7 O0 j8 Bto update-neighbor-total
1 w& Z& K1 q& l! _4 r$ b i# B1 T) o" m! I
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
; S6 S6 m6 x& E# Y% @+ u# {
# \+ C' ~9 |3 j0 ~% A" g% Z M1 M1 H9 n; @
end
: ?% l& z1 Y- q6 `" X
" ]6 e" d' `- P; Eto update-credibility-ijl % Y" s- `2 H0 A( Z: ^8 a
! ] O9 i \ [* p0 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。
$ D' `4 P% v$ ^9 T* [- flet l 0
2 M* M. L) D- `- S4 cwhile[ l < people ]0 j; J( G- R; n- K+ p5 @
;;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
8 e+ s: L O$ S9 H- V* L[
. @; f7 `( h2 M$ |3 rlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
$ X. [6 e+ C/ `( t, f6 dif (trade-record-one-j-l-len > 3)& r0 O9 } S2 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, Z8 H# O' Z* {
let i 3# g6 H/ V2 \. |, z
let sum-time 0$ ~8 e' M- v# C" N$ g
while[i < trade-record-one-len]! ~: T# X; C1 a
[! _0 {5 b0 P8 ]" f) i
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
o/ ?( I3 d% X2 \0 Wset i" S% j; Q! @. v2 H. D& O/ r4 X
( i + 1)
2 Q8 s& i2 [ b# S] c, j5 {$ x* Q) b0 C/ f
let credibility-i-j-l 0
0 p; n6 r/ z+ S4 E% M;;i评价(j对jl的评价)+ e8 c5 ]% t W
let j 3
" r* ^& X2 c8 `9 Plet k 44 q1 C- s6 @- [# h" ^+ G0 i
while[j < trade-record-one-len]" n% k0 o2 `; ^1 L# E* X' {
[
4 V$ M" `, ~+ @3 V! 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) x( V/ O# X5 D1 L+ W! H
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): u% a1 H. ~0 o" c& {5 F7 B7 y9 G
set j7 F# ^0 Q3 G6 U+ s4 D7 Q: h
( j + 1)0 u. ]' }4 K( f
]
4 L/ C4 A+ M! ^' gset [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 ))2 L7 s ^ w2 E, V; t9 E. c2 d
. G& n1 O( k3 |+ y
+ U3 q! ?+ j1 _9 L
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)), l: s& p9 S) _3 C
;;及时更新i对l的评价质量的评价
& M& F9 f4 }$ r; j- l C+ {" ]+ g7 X) {set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
8 j$ O, g/ r4 _6 |& ?7 E+ `set l (l + 1)( ^1 ?( c/ q" B. U( z/ W
]) J+ q, E0 u$ M) _% a+ x
end
: t/ a) I2 t* L0 ~' S! M& I2 y+ b; o( w* O: v7 w, i% u) _
to update-credibility-list
' o1 ^6 U6 @! i6 T- ~5 Dlet i 0
9 r9 r x+ ?9 {7 W7 z' o0 X# Y$ ewhile[i < people] ^- k" a4 h+ b
[: f5 s9 {+ T& N6 K, O
let j 0
7 P/ `: ]# K4 @9 y% Xlet note 0
0 E! m- t$ @. i3 jlet k 0& J( ` H2 a1 n, _% o$ n/ ^
;;计作出过评价的邻居节点的数目; u X/ r! B% ~; S8 u7 S0 @* ]; h
while[j < people]* w9 J! V# K/ Y( q! v$ t& u9 S/ C
[
* A+ a" g0 O& C- lif (item j( [credibility] of turtle (i + 1)) != -1)
, V# T5 t: U q;;判断是否给本turtle的评价质量做出过评价的节点7 E& R$ E: m$ o- b: G, b
[set note (note + item j ([credibility]of turtle (i + 1)))9 p7 r! g+ d3 @1 \% N+ J
;;*(exp (-(people - 2)))/(people - 2))]* ^- |8 i8 G) S
set k (k + 1)
% |. [* b% p4 y. [' ?]
9 z( ]- k: e% Z, T) w2 d+ Qset j (j + 1)6 k: l" T# a8 ^& q, H; [/ t
]
# |/ J4 F/ S) u& tset note (note *(exp (- (1 / k)))/ k)) F- y8 g" C7 K. G7 V
set credibility-list (replace-item i credibility-list note)/ q# W% }' C- ?9 |9 K9 o& g
set i (i + 1)
1 V" R' P9 v' l( H7 g! z6 @( Q]8 _3 `* {8 r' h+ y
end; b; k7 @0 r* y B! G! b& F
; C; W$ c3 Q" q& Z* [/ k' F' wto update-global-reputation-list5 a3 Z- z8 o% i# n3 k
let j 0! d9 [8 Q. \& v% u& z
while[j < people]
/ y" k1 L" v# ^8 @, ~7 i[
' }. H! v. b6 m* Q" plet new 0
! X! \3 k k; A( b" h0 u8 w;;暂存新的一个全局声誉
* b- V1 z u' ` J# E+ B2 q7 \let i 0& {1 ]5 o, e! O, i& Y
let sum-money 0
7 r# p% N: x0 \ K$ |% w9 Llet credibility-money 0
1 @- B n( d6 K8 _while [i < people]6 C2 P& P5 O- F6 E
[
: d9 O A. _1 q9 g4 T/ n5 q8 dset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))8 S- a. n3 M3 M' \
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
; v3 ?) c" S8 r) N! ^% }set i (i + 1)+ a) x$ i+ L8 h1 L
]
4 S; c. O; i/ l- A- z9 [let k 07 O5 z) V' Q; b( ^ M* ^8 g' U) V8 R% x
let new1 0( I# ?5 P/ `3 R
while [k < people]6 e5 e$ f2 ?) |$ x) U# X
[
1 t9 ^: V( R m2 U7 H6 Z4 mset 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)
, u2 R W5 ?! t5 _8 X- W* c6 Nset k (k + 1)
% [# w t" d9 x% t. V$ j2 d1 ~]0 Z) s6 M$ m7 n& N' S
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
0 {0 k8 t/ G& F$ f, N) Rset global-reputation-list (replace-item j global-reputation-list new)
9 |! V7 r8 s- }9 V/ Hset j (j + 1)9 |( {; B Q! Z2 W$ V
]
" `7 d, l2 [8 ]2 w1 `- vend
) T+ Q/ B4 i& s! }9 g+ p3 K, F' R7 j) {# J g
- }' H; `& U' Q1 j1 ? I `3 ?& v
# X; L/ W* Y/ D8 Y
to get-color7 \- T! O% g0 B0 R9 L/ V& N
8 I% f+ J9 z% g( Z9 k! \set color blue" j: n; E2 w# ~$ N2 S) v$ t/ P/ w- J
end T# ?& Z$ t/ |2 A
W% B6 h& s% I1 t' }( S3 Zto poll-class
' p2 g% ?, Z* ]$ Kend2 K' U/ d$ S& o8 M
i" ^7 Z7 I' B ~
to setup-plot19 X; E) `+ x) {- v$ g6 Y E+ r; I
! x# ?# ]4 J5 b; ~, xset-current-plot "Trends-of-Local-reputation"
2 @+ A( I! [" X$ O4 G
5 \* H, S' Z" e; h5 dset-plot-x-range 0 xmax
( _0 T+ ~# B7 x* H. S8 z' R9 M% G/ m) T" b
set-plot-y-range 0.0 ymax
& P0 P6 h# K- f- }) bend0 t# s; A1 W4 w1 \
/ n- y5 B. O6 _3 V' V! K+ G- kto setup-plot20 e% U* Q# _: O1 U0 P$ t" t
- n! b) [2 J1 b- j" d+ O3 X( R Uset-current-plot "Trends-of-global-reputation"
[* k( x( t Y- r
# u+ f/ q/ L1 N- }7 h# U$ hset-plot-x-range 0 xmax g$ @: q: `5 k8 e( y6 o6 e
9 I, v) {0 }! }5 wset-plot-y-range 0.0 ymax
2 M! o L, c+ H& }end
) ^3 ]3 j0 [0 V! Z. O# p: X6 a4 Q& y! [/ z$ Y/ q
to setup-plot3) t+ r2 r3 v( c0 V1 V* y
4 K- |. w3 n% A- [6 }3 R5 x: E! Zset-current-plot "Trends-of-credibility"# j' `, R- j9 b. z2 L' |( h
4 Z) V% d v" ~8 f
set-plot-x-range 0 xmax
0 G# i9 q0 B. ]! b8 U% W* U% v z! M, I) E1 q- A; ^
set-plot-y-range 0.0 ymax
' w# z) U3 x0 J8 f8 n( Iend
4 _6 j- ~6 s) f$ Q3 B# E- G( H( \$ b, T; Z3 m+ B2 a# \
to do-plots
+ t$ u9 l0 [+ \set-current-plot "Trends-of-Local-reputation"
}" q$ \. y: V( c# _ c# U! Oset-current-plot-pen "Honest service"
2 g+ G' s' i. P6 _6 {end
) r' h2 L* C7 R, Q. ~" J- |
5 W c$ X& O) p5 u[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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