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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 d" ?8 O2 d2 d: w6 }. A* z
globals[
1 m$ A6 s5 u% l# w! sxmax1 ?( {. l: e. Z( o4 x Z4 M1 s
ymax# x4 c" E' j, S$ D( `- B
global-reputation-list1 {( L6 D5 q* W
- P" S2 d9 j% P! [;;每一个turtle的全局声誉都存在此LIST中
1 X$ ]2 B' `, b+ M) V8 c$ X5 hcredibility-list9 @$ [% T( `$ `. e% K, S
;;每一个turtle的评价可信度% y- ~+ E. Y% X( f L* o& r
honest-service
. b; i- I# ?% o9 p6 P0 i, X$ iunhonest-service
' e1 g& X( A3 G# aoscillation8 R7 T% B& T, C, o/ U* D
rand-dynamic
6 _2 i; ?% r* x) W! Y/ E]
! t" o/ o! A% M4 t% r! N* I2 V3 S6 `1 Y7 l W5 x3 I" ]
turtles-own[
- s6 M M! @, w# }. N* Gtrade-record-all
& Y3 k! D9 L4 C2 G- [5 J5 y! J;;a list of lists,由trade-record-one组成
; a) @- s2 n, ^$ Xtrade-record-one; t. ^& p( t A) n$ [
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录' m- ?* g3 _2 d/ `* B2 K3 A5 c
- Z, b7 J) M2 d$ v3 u
;;[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]]4 X- g0 v* B& I8 h
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]" I1 y, j) P: L
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list( E' |6 }' C" \1 z5 w& r
neighbor-total) `! }" _8 B ]4 O3 Y
;;记录该turtle的邻居节点的数目
+ H9 r0 }; u6 W, n! ptrade-time0 { ?) y: n4 K( [$ B
;;当前发生交易的turtle的交易时间
8 a. \8 u& X0 l9 Dappraise-give# S& L1 y4 i2 s
;;当前发生交易时给出的评价
# ~0 o# _5 s3 cappraise-receive+ |# R8 @" j6 T' V- F% U# k
;;当前发生交易时收到的评价* T4 X2 f0 `% ^7 W' m
appraise-time
; G& u$ ~6 p# C5 |* J5 A;;当前发生交易时的评价时间1 R9 ~7 Q0 b' L+ ^# @& Z5 z
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
/ F& m: ~9 p) G5 [# Ptrade-times-total
7 t- R: K) U" e- O" F2 X% C;;与当前turtle的交易总次数 {$ e, Q0 K, H; `9 Y% g
trade-money-total
/ H( q E' t: `0 w5 ~! Y' j;;与当前turtle的交易总金额
& i% c& f) Z" A/ g* I- Ulocal-reputation
4 e* s3 M8 c" j7 |' l" @global-reputation
; o$ b, k. H$ ~credibility
0 a: M/ _0 M5 q- r;;评价可信度,每次交易后都需要更新8 @7 j s3 c' k" }; ^# N m
credibility-all7 g. J) n& |4 H a! u$ L1 D
;;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
/ {* Y: ?+ q7 [0 V6 G" n- F. S S" g v2 Z5 Y" s0 W: |
;;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
4 O8 B* i1 S* A: o' J- b' }7 Ycredibility-one) a% w0 e4 G! v; u; k, J! P
;;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+ O( s: t& \% |) P, x( e7 ~
global-proportion% ~. n& E; g, Z
customer# o; ]$ k; l& ~9 Q
customer-no
* J, V' \1 ?6 f# W/ u' U. C' gtrust-ok5 M7 Q6 f* b( w5 v# h4 z" O `6 o& o3 Z
trade-record-one-len;;trade-record-one的长度- Y9 D$ P1 n2 c, ]% _
]
4 j2 w; z& I* u' V9 n- ?# Z/ Q8 _' g2 D0 D
;;setup procedure
, z* E* N& ?; u9 G4 P1 p
& i" L$ h2 Q& T* }8 ^8 D$ ito setup- b% B6 j9 Y& w$ f( p
: S3 y6 p5 W7 C% O; g
ca, {$ F0 v: B$ E5 A* Z
& d: d) Z# a- d9 I* L' }( n
initialize-settings" `. {6 O3 c- S; W
! z* e# w8 i7 ^% N: {
crt people [setup-turtles]
9 x' B: U/ @8 g3 g4 n
3 r2 n" z2 i5 i# ?. V" D1 p! V9 Kreset-timer
; s- Q9 V+ Y. J# H$ U2 N- |
; D4 I9 N" t' `5 kpoll-class+ m4 x$ H, i( y/ E5 e4 J
/ _! o* W$ X8 xsetup-plots, o0 X, y$ l! d
* t# ^5 e$ _& m& I
do-plots% c- S8 b, q/ F. W
end7 G& p k3 T% r D0 X5 }
* ^1 W9 x' e0 z. _& h1 L0 O( D" Xto initialize-settings2 s4 ~" _: X8 ?2 w
& H0 ~# ~2 x! E, P
set global-reputation-list []
0 G0 L* _4 h' i0 w7 l* a2 \6 H
) e* W5 d1 I, s$ b! ]& tset credibility-list n-values people [0.5]- V4 i4 P6 E* q
# n6 [3 y+ r1 {! F& w
set honest-service 0 u( L4 E `2 n# K7 Q# j5 k8 T
) e0 p' f; L& |& w) ?set unhonest-service 0* X* [- m0 j4 {! k5 \
7 M- N: d/ @7 p0 J6 J) I6 R( y- o
set oscillation 0
' o/ ]* n D6 }% p; A7 k' I: H$ |: N$ @) Y4 K0 u
set rand-dynamic 0- S. j2 S! V! ?
end* |: ]/ O% z0 \0 g
/ z1 x/ s2 L1 m7 M# b8 r# Jto setup-turtles ) I9 q3 Z0 o; K" |9 o
set shape "person"; _+ x) u, W* u6 d/ p7 W( Z5 H o0 {
setxy random-xcor random-ycor6 P8 M7 K4 u- u( u
set trade-record-one []# Z5 d0 m- a$ ^
+ A3 `1 x2 n u! ]
set trade-record-all n-values people [(list (? + 1) 0 0)] # X# i) @! v9 i) z
6 z) T7 \# P2 w
set trade-record-current []
6 M0 w+ W) f# j7 w* Iset credibility-receive []- H" j0 Q9 n# u9 v! D( Q2 g
set local-reputation 0.5/ M7 \6 y4 @3 C9 V" l* {. b9 T
set neighbor-total 0- ~) `, }' S" d# b" Z$ n s, U
set trade-times-total 0
$ d& @8 _+ l9 I4 ?# g# G: d, Wset trade-money-total 0
5 [# k% a9 N5 `set customer nobody
. ~: z: Y: V( f Oset credibility-all n-values people [creat-credibility]: k' ?1 |) V9 q, ]0 `6 t; T
set credibility n-values people [-1]: K9 P+ |! m) D0 k, j3 K
get-color
# o v3 o1 g8 l. F; ?2 q" l$ j% K! [
2 b6 w1 }/ o: Y5 M. s- P% n3 v4 ?end
5 i% M6 t. N! _8 _' C9 ~, D1 o
0 ]1 r; a ]+ A4 ]to-report creat-credibility
- [9 v' [6 h8 i$ Z9 qreport n-values people [0.5]
: g# G. T* L- Z! f9 s) y( t. t" Nend
! @- e; d; w5 S7 t
! R7 y E$ | Z/ x! @& eto setup-plots
8 Q4 e" r( q8 _- I$ ~. V% J: A
set xmax 300 J( e4 F- v6 t' D$ ~! W; ^
1 K0 V2 p* p1 t. H! C# A1 Lset ymax 1.04 S& _' {- c2 `( g1 G
6 x1 O; G7 O) R r& s
clear-all-plots2 K5 m f# ?) S; C
' h1 t( ~; ^( F- h$ ^! ?
setup-plot1
* c, }: p* r6 k
' y2 w9 g: j) u' o* z8 Esetup-plot21 J! r: A( b% V% t
- K7 K* H$ t, Bsetup-plot3
; y3 A& E0 i8 e( T/ tend
9 e: K1 A6 ?1 L0 c: l7 |/ r$ ]1 T% V/ s- c& Y6 e. w" y! |
;;run time procedures M3 g: k3 w& A6 r! ]4 \
6 b0 W+ ?7 ?: R+ ?' T) Rto go" K0 L5 e1 ]6 b& @
/ w2 V: a& R* f$ W; G. Wask turtles [do-business]
& y7 n8 X/ \' k3 @, T& q' [end
4 F% R; ]' ?; A& a( F
& O7 y4 }$ y9 tto do-business % d% M4 G3 ~/ `
# z% B2 s1 O1 u& D( l9 W% O5 a5 u( W
rt random 360- T, R9 s% Q# Q! G1 u- F2 P$ M
7 T' d* F2 ?/ R7 F. Zfd 1* P2 k! z! O9 [% D7 J9 C
' R" Z: M- Q ]8 r1 X
ifelse(other turtles-here != nobody)[! ]: d/ S4 y6 e( y/ L
7 v7 j$ ~& n' O+ m: w2 f' {set customer one-of other turtles-here; p E: b4 x& v! S) ~* Z
! w0 G% B9 G: a, @/ }3 e; ]
;; set [customer] of customer myself% W" c7 s# H& G0 J- F5 Y: L3 _8 V
4 \* q8 \% p" [! Tset [trade-record-one] of self item (([who] of customer) - 1)
5 Z2 ^* {6 o6 U8 d$ Q, {[trade-record-all]of self
) B5 X; A0 r5 z5 q' I- A+ };;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
( R3 v8 J& ~+ N8 {+ K* p
0 z- T: J/ Q2 z1 [3 }set [trade-record-one] of customer item (([who] of self) - 1)$ G* {5 a# p: D4 G7 o9 h! N; I
[trade-record-all]of customer
9 ]; p+ m9 N6 Y, k7 l! p
, c% E+ S7 t8 ? Nset [trade-record-one-len] of self length [trade-record-one] of self
# p' }7 O+ w. V) n+ K3 b
+ c* b+ l( f6 Y! uset trade-record-current( list (timer) (random money-upper-limit))
; w2 B. c3 n; Y
# \: {; O/ N+ D! H- [5 jask self [do-trust]
7 S3 {% J+ [7 e1 k, ~: T+ q! O;;先求i对j的信任度
6 X( C j: o& v6 u t1 g: E/ |& V: ^2 H) N8 I
if ([trust-ok] of self)6 a. y3 ^4 j5 z1 w/ z
;;根据i对j的信任度来决定是否与j进行交易[; J/ p+ {9 |4 j0 }5 y8 T% c' |8 y
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself A2 h @" v8 I, t2 z$ q3 f
$ |4 F$ O/ H3 y9 Y3 ?[
: \& J2 \% E% H6 b
0 u* U+ {; f& Y' ~% |! d X4 odo-trade
6 U. x5 H$ n2 o. }! e$ b/ X
) K! j9 C! d" C& q" X# D) s F7 q. lupdate-credibility-ijl
% \/ H+ j8 q$ E1 p2 `& o/ v: k6 c+ ], B$ s; X8 R3 Y; ^5 a! x
update-credibility-list
0 `8 E. n" X8 X" Y. i, X" ~$ z
! H$ }! w# ]4 N. a/ l u. s3 g1 I1 u$ Q) }: z9 ~2 k
update-global-reputation-list
8 m/ z2 q/ K8 J7 \
3 f1 D5 b. P4 E& fpoll-class$ ]0 m. G4 @8 n6 V+ \3 K; ]
+ t$ @8 o. H1 C" _
get-color
' L7 O; Z! o0 X$ J8 ~, g
9 k: ?* a7 i8 F3 }! }) Q r]]- V% l& h# i% v2 s; g {
6 r( m* i. ~4 F7 [( R B1 @
;;如果所得的信任度满足条件,则进行交易6 e$ I; W- _/ J% s: f
+ s: @6 j7 ~6 h9 Q4 S2 S5 O[ E7 ?6 L& N( p2 v" @. \
8 O e0 H+ o" Z
rt random 360( B0 S. a/ Z" J# v: A9 ~
% @5 u" S6 }2 M$ Ufd 11 v1 p" w" {- z @" e9 ], v
8 [/ y( ]2 \% q) t ~) a- N+ X
]
# Y4 m f R, }
/ ~4 X6 G) J2 V2 ]" Eend
6 I9 A C: U" J# e8 ?- S" ~! |% V3 r; F; x
to do-trust - X0 p, K" W( _, P1 `+ H
set trust-ok False
' \2 _1 }" h- m" ^+ p' k) s. r9 d8 K: l6 E* Q1 `
) e5 G* e' G% q& {3 I
let max-trade-times 0
* O) s* v6 T: U( d0 Qforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]1 f3 c1 j7 ?. v0 |/ |( B, V
let max-trade-money 0! M2 `; {# W# }6 { t+ B
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
4 k6 K/ b( ~3 ?" q/ glet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))2 ~/ p* H8 _) w
' ?5 R6 [2 j" n: l
! r3 X% q+ Y! l6 j( uget-global-proportion; ?& N' a2 j O( c
let trust-value
! h' I0 v$ |- C5 a( Ilocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
* B6 X$ }8 x' aif(trust-value > trade-trust-value)$ J' J; k5 ^7 ]- Q
[set trust-ok true]$ D3 N: c: ?9 p3 a+ a
end
9 [: f' L5 H# n) b0 T
9 W0 q7 F( n! A' jto get-global-proportion2 G( Y6 t2 b! e o/ ^
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)- `0 @- k# W! \' }. e/ X3 M* C
[set global-proportion 0]
) Z' F4 o: k4 V[let i 0% j' w0 y5 j) |% d- z
let sum-money 0/ d/ h/ h! P' V: I( G b, h/ U
while[ i < people]
! o' }# J. r- J! w% `8 t[' ~7 `5 P2 x+ d ?1 i% k) F
if( length (item i3 H% d# v/ H" V
[trade-record-all] of customer) > 3 )$ p \+ y6 _6 k8 y' A
[! S. V7 d2 t3 H. P# x
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
' p' c6 @8 Z7 d C- g]
# ^( a- j5 y. N+ _' p2 H) J/ r) M* }]! U0 Y, i% J d
let j 0( a9 S+ }8 P1 }3 y6 I# N3 Z, H9 ?
let note 0: ~; Q' x5 q3 H$ r$ b
while[ j < people]2 y1 X" k8 N% P, k9 x
[" c( d! m+ u/ n n
if( length (item i' E% r9 {# e7 }' D6 F2 Z
[trade-record-all] of customer) > 3 )2 \! ^: }5 X% M1 ?
[
" C$ Z" a( D% B+ k& qifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
9 O% d) v+ z- F( |[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
; l3 v6 v% I& u" P[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
, |/ v9 }! }% I4 i) l6 }]
1 d0 d" q% G, r% q' R] s( s2 ~$ o- G f7 J
set global-proportion note! f) y9 B, L2 Y! D
]
' `. U: T2 |& ?+ L/ r; ^& p0 @# lend' ^$ N9 R5 P) q
: T" _1 P0 K8 ^; w) N/ _1 v1 vto do-trade& b! V. Z6 E9 p5 n6 Y) J2 ^
;;这个过程实际上是给双方作出评价的过程2 B1 l6 h. T- |: r
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
) i* E0 I# _$ o8 S0 f2 Hset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价2 k7 e/ d# K; Q, D2 U
set trade-record-current lput(timer) trade-record-current2 p; y, u! C7 O& e7 [
;;评价时间
* ]3 l& l5 H: Eask myself [, ?, Y9 D. z' f; r
update-local-reputation
& J: K' P) b$ h) ~/ D2 Lset trade-record-current lput([local-reputation] of myself) trade-record-current. H" l D2 ^; m& M- w( Z
]# L( {# ~" C8 F. F4 }) @
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
$ h. V! x2 _/ ~0 @; ^;;将此次交易的记录加入到trade-record-one中
7 S7 ^1 }+ M1 d/ S% E& uset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)! `/ Q1 t6 I* P$ @ j
let note (item 2 trade-record-current )7 @( |) k0 z% o7 t0 _4 W: c- u1 c
set trade-record-current
, E) i/ D$ X% f) i: v) W+ @(replace-item 2 trade-record-current (item 3 trade-record-current))
d$ O; Y# g4 K1 O1 ]9 yset trade-record-current( l/ y+ i9 {* M" A+ [$ o& B7 i
(replace-item 3 trade-record-current note); o& {) B7 g/ r+ n9 C C5 Q7 V z: h3 M
6 r6 E! a3 ]& S4 v1 w* |5 T! A; r- m; \8 |* H
ask customer [
: X9 M) W8 H: P5 ~+ H. `update-local-reputation
& s; M% X: W" t; k. Nset trade-record-current' U& o% a9 a* h: Z7 q
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) % H2 \/ |, T( L6 m' _3 v
]* l/ F. i Y; A3 |# b! e5 R* U" L
! C; C* r7 X$ m5 `5 e
0 y5 ^% A2 s# H6 W" l! Qset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
( A# I+ E) Z/ l( U: m" w5 e: @- R5 p! o A; V
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))( |* p1 `7 M6 J( Q9 L: D
;;将此次交易的记录加入到customer的trade-record-all中1 @" @, X( I, y! Z- g0 \: ?
end% [* w M' |' G+ d8 Q$ F5 I
: U6 n9 P; n+ b
to update-local-reputation
5 }% u' \: @- w8 t5 }( ]* f6 A( `set [trade-record-one-len] of myself length [trade-record-one] of myself
' G$ ?8 v- B! y' x% _ k0 X7 s
2 ~% M1 g; q* _3 o* z; y- K# t* q" R- P* I0 n4 W- T
;;if [trade-record-one-len] of myself > 3
4 p& h$ _7 L4 G [2 C& y1 y5 g& hupdate-neighbor-total/ r, K5 a- }8 a \
;;更新邻居节点的数目,在此进行
& o( G! z# P+ }% u5 dlet i 3
% _) I- D" q9 Q6 Dlet sum-time 0% J, K3 r4 n4 n/ y
while[i < [trade-record-one-len] of myself]" ?9 S \% c0 F
[
0 i: q8 r" a1 q& e0 R: Nset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )& b" u, w) N, i, z9 n; H y
set i
$ V3 B0 ~" Q7 v V# {3 u( i + 1), N; I; h0 F) T f
]
8 ]0 i3 |8 w1 rlet j 3+ S0 \2 s6 B% N% E' s4 p, F; P
let sum-money 0
2 Y: m1 ^- Z3 g9 b3 f! dwhile[j < [trade-record-one-len] of myself]+ }5 G. Y2 i4 E L9 d
[8 `/ ~+ h; h' m* U8 }! u
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)$ ?; v7 M) S9 U
set j
9 C* z( C9 v- F8 H* ?5 s( j + 1)
7 s+ |" j, t, ]9 P, @2 _]
8 P, O4 Q+ Q5 y) olet k 3
" n3 q9 B! S4 V6 @, c+ R9 llet power 0
9 k, J+ r6 F* }1 |let local 0
* e, S5 F" `$ B& `while [k <[trade-record-one-len] of myself]1 D7 F: D; ?+ b9 y4 n* w: Q
[5 ?* g( o4 v7 W
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)
- y7 _. P* D: K+ W" Fset k (k + 1)
$ T; J' S1 d" B# B& c% f6 c]
0 l1 x2 l; L3 @set [local-reputation] of myself (local)
7 h w% x6 }! B& h& s1 aend
. l3 c& C! l* z9 N" q( V( z/ X" B6 \6 L
to update-neighbor-total
' u; ?) v% k. D- G! V B) |; }$ E. E7 ^, p- x4 a7 n
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]; e/ X3 h+ [0 m' B
1 N9 K [2 U" B) i$ |1 I1 C" @; ?4 ~+ ]7 q
end
: a4 {( d# [' b8 F# j
y9 @( j0 P. A" V, z* k' c1 H1 B) Zto update-credibility-ijl 3 C W3 g }: i" [
# ?# T5 g. e p( _/ m. T& Z;;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。
2 y) i1 w" v/ [9 Tlet l 0
9 @+ K7 b+ D3 w& j# L5 jwhile[ l < people ]: a+ R/ j: L- j
;;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 s- F; W3 B' V6 w$ P1 q: ~; `[ I* J1 W% u1 t) ~/ Q% P
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
+ K4 b$ x8 q3 R( p- bif (trade-record-one-j-l-len > 3)& p# _4 M7 S' U5 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. R; R1 R+ i' @0 P
let i 3: @& D* I7 D' I6 R3 U3 P+ V
let sum-time 0
1 U% h! w. @$ pwhile[i < trade-record-one-len]
; i' k5 y* c8 L. E0 t1 i+ C[6 g; T1 m* e6 W) J3 n6 ]8 I9 k; _
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )8 d. B) E) H; a/ k6 [/ f: q
set i! \! D% H# V# h4 {8 s
( i + 1)6 N9 E% @0 [; R' ^. }6 K- Z) _
]
; S4 N, }2 j6 B3 P! Y/ t, b+ wlet credibility-i-j-l 0
# {5 a/ X- N+ U' E/ S/ {;;i评价(j对jl的评价)
$ n8 q' D7 L2 |- j0 V" s( |/ X, Nlet j 38 y9 m3 v; i+ l% g
let k 49 J5 T+ Z5 R- e# z% i( p7 D* l
while[j < trade-record-one-len]
A1 ]/ d7 b. O; T* K6 e3 {' K[; I, _' W) P# D( X2 h7 q! S
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+ F" ~! \# F2 h- I! g! `! G5 B
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)6 H( P& c4 |, C6 C; {% Z7 b
set j* {- {1 Y+ L4 D& n
( j + 1)& K. T r V8 D: v' u9 j
]
" x4 D+ A" w. O$ Q& [2 M5 P8 Nset [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 ))( B( R4 k: K* }( T5 t" y
5 M" e- i. Z: U" r2 P9 {" D
! v2 v( `7 J/ z* o9 |2 J
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
+ v- R) o! m7 A5 ~;;及时更新i对l的评价质量的评价
! X; h. C. ?* P( {set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]4 O/ Y9 r+ I$ u4 h
set l (l + 1)
# _: _8 u/ n+ C. Z4 W! p. J: `]8 P6 O3 _2 D' I* |7 h6 ^
end P# f+ r) P5 n5 m
$ e! T+ W2 c" q8 v. j. _2 g
to update-credibility-list
1 H, y/ D D8 Glet i 0
7 X: k' D( N# o* }+ Nwhile[i < people]
6 k3 J8 W' Q Y; n7 g[+ j. S: c' q$ {) Y9 r) C
let j 08 q$ i2 f5 ?' S' Y0 @* D7 _
let note 0! Y3 z2 X5 I5 D8 s* Y* ^1 L3 A
let k 0
3 n2 a6 ~- ]% K! B;;计作出过评价的邻居节点的数目: e; a8 {7 C4 v1 h: k: z9 M
while[j < people]
$ F$ {6 u1 w; w& T `1 T[; a3 E- {# @) s1 [% I; P
if (item j( [credibility] of turtle (i + 1)) != -1)1 o& \* C2 e8 J: S" @0 R
;;判断是否给本turtle的评价质量做出过评价的节点
+ I% V6 q9 c i8 S2 l) a[set note (note + item j ([credibility]of turtle (i + 1)))
7 ]) f) c1 P, {; c;;*(exp (-(people - 2)))/(people - 2))]
# j: N: ]: d1 mset k (k + 1)
1 L1 u( w7 R' h" p! L4 y- s4 z; Q]# b: U' s* P! H8 w a
set j (j + 1)1 g+ @% u/ X( ]; w$ D' A
]
- A! h' E* u3 Z; X, wset note (note *(exp (- (1 / k)))/ k)
3 [ l8 W. O- Z( y2 ^) Sset credibility-list (replace-item i credibility-list note)
) ~3 a) ]& i/ @2 `, A# T' R0 Mset i (i + 1) L- v: }7 E6 ~4 L% ^$ p4 f
]
$ y0 x' i1 A G4 F" o; n! I3 Zend: _9 O. i1 \7 k7 ^2 k3 H
$ P% F2 _7 N9 X! c, z
to update-global-reputation-list
3 G# Z7 p, O9 d1 R8 A- @let j 0
- M9 \4 c# J5 c0 X2 t/ owhile[j < people]6 _: z$ b$ S; E
[
8 f* Q' K7 s. G8 N" C! Slet new 0) F1 C5 P) ?4 c$ g* |+ u6 @( N' k( d% z
;;暂存新的一个全局声誉
; E0 y; \9 V, ^" H7 Flet i 0% F$ b1 O1 s& L! r
let sum-money 0- ]3 K. v# J) j1 d
let credibility-money 0
3 B, y! J! a, h; n2 Pwhile [i < people]; W- f9 {3 y, P& K) v9 ]( s, [
[
! @& B% ^2 u: K$ E% e: R8 v0 n7 Cset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))6 A' I9 }1 M; l) p
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))+ x9 y e2 N* o/ O' U3 _4 V0 f1 |/ d
set i (i + 1): M8 p( I2 R. d6 F# V5 S% _
]0 F- ~, b! K" b2 ^, p2 S+ q" g8 V% w0 }& t
let k 0
- ~( j7 e9 F* ^% d# wlet new1 0) V4 j/ q9 q: o5 C* Q' t2 P
while [k < people]
! |8 l' P- i5 x: W[$ K( p+ e3 r- z. c' P# y3 ~
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)
5 d$ d1 E( w6 Wset k (k + 1)9 `" Z) L% n. O1 q
]
) ^& T! g4 C$ Q3 r6 tset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) : ]9 }) l/ ?! j2 {
set global-reputation-list (replace-item j global-reputation-list new) D/ a( _! n% \, ~) d5 C' y
set j (j + 1)
K0 U3 y9 ~/ O]
8 t7 A8 p/ V/ o" d# H; ?- gend
, b" o! }. m u/ L& t8 D! C8 W7 ^2 a% o
% J9 m. S `8 _" f3 b6 V
+ Q* |/ H, ?, }6 c+ G# D' K- dto get-color
% K+ b0 s7 |6 U7 P# u/ b$ u: o3 P. T
8 ~, ?# d8 F1 H8 p0 w( Z' y9 y" t) vset color blue7 W) o5 p7 m7 P& }
end3 U. Y: [" h2 }) e+ u4 i9 s
- y' H; Z7 r& L" ?( l0 Fto poll-class
% o& w6 f: _3 S8 y$ q$ d7 C" v! uend
. S: r7 L* O6 h- c; p% a6 y
; z( e0 g# C0 i2 {& Wto setup-plot12 h; O8 z- ?1 {+ M/ f
* t3 z- O% {) z ~$ p3 U
set-current-plot "Trends-of-Local-reputation"3 e+ z: p, c) T' C2 y
( ?. j4 }3 _8 `6 O+ u( @set-plot-x-range 0 xmax3 i. J8 Z' m3 Y1 ?
! ?( B! ~5 H! I4 r
set-plot-y-range 0.0 ymax
3 s+ f W+ Y W9 D G" r1 Tend
+ L% y! Q' \, W7 w, M$ T1 n6 Z
0 V3 V, t, m) g1 D7 g, G6 jto setup-plot22 V8 ?9 S# Z4 z! d
, {; h9 A. K" ^6 Vset-current-plot "Trends-of-global-reputation"4 P' o% _% [! h) {
, O$ C* Z9 L* h9 D9 }set-plot-x-range 0 xmax- K/ _2 Y$ y& Z! L& ?
; ^2 N+ Q* Z, |4 \" |8 ?set-plot-y-range 0.0 ymax
( f- K1 G/ @5 Y' X aend% c2 M8 W9 c0 }: n3 R
# [* k- Z+ `& {
to setup-plot3# w" K N' g8 y$ @$ c; ^
3 ?, b- [* l% X' Y! |, z
set-current-plot "Trends-of-credibility"
# V9 ]: E; R0 j! Y. f, x* s( s/ t. i6 X+ q1 t) \
set-plot-x-range 0 xmax' \ [+ @. v# e- f
: O& f. {, E, @2 Aset-plot-y-range 0.0 ymax% L x- F0 y2 ~2 y! b
end
) s: I c0 s7 F$ a# l3 k0 W: P! G7 ?
6 M# [! L& A) G; M/ bto do-plots7 o- V, p+ o$ U$ Q" ?# _
set-current-plot "Trends-of-Local-reputation"
# |' `* B9 W% \( Z8 }; Z8 i/ eset-current-plot-pen "Honest service"
3 \6 |5 X6 i7 Rend
# t" K6 ]. P" Y- R6 N0 h! W5 `5 E% x( O, y8 e
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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