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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 m+ x; O1 O$ Y" C9 i4 D0 U) F0 p. O
globals[- P: n: f, }5 A7 \" F- M" f! j
xmax
5 w- H' s6 i, ?& Cymax
) [8 ~6 ~3 M6 G( Q% A9 k/ n) Zglobal-reputation-list/ B3 N9 ] Q3 I/ k( X1 R( a
7 t) C$ M( J* P1 u; U( H
;;每一个turtle的全局声誉都存在此LIST中% T5 Q- y! @9 r+ T
credibility-list% K$ _8 m/ [( y7 N8 U; I
;;每一个turtle的评价可信度1 a3 Q! V/ B$ o% \; t
honest-service; Y6 p* X& A" f7 \& i
unhonest-service& }9 D5 B2 y2 t4 U2 p
oscillation2 x! m/ t* b _3 \% N! N
rand-dynamic$ |3 C: G4 Y7 u
]
5 \( R% s I1 k- q4 D% i/ ?
' V" v8 ~: l/ c% ?% L( jturtles-own[8 D+ J) g7 v2 r, Q
trade-record-all3 s `5 M1 j' s# z' X0 i/ K$ s
;;a list of lists,由trade-record-one组成
% g6 P6 G" c$ v! X1 wtrade-record-one
/ z2 ^/ ]2 f0 F;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录: `9 k( _1 Q& C& T" B( F: y5 G
2 R# i4 p- R3 U- R% p' e% 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]]
! r. @7 @7 M t5 r/ k! r6 ltrade-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]5 F* _* `' H8 B9 Q0 y, a4 a* \
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list0 l, J6 @& D+ O# R* c
neighbor-total
: |2 @; ?. F9 d;;记录该turtle的邻居节点的数目& B8 j& C+ S# V" w6 n
trade-time9 S6 G9 z. n! ]+ b
;;当前发生交易的turtle的交易时间
1 u- Y+ h" u7 h `; G0 dappraise-give; F7 h" @5 f1 l) {
;;当前发生交易时给出的评价
; @6 u# c: U" `0 R2 R! X \appraise-receive7 @/ H2 F/ A2 L2 W5 [7 C
;;当前发生交易时收到的评价0 D. P5 s6 K8 ]0 E
appraise-time
' _9 }5 C4 a+ u) n; k;;当前发生交易时的评价时间5 k! j' F# l, _# B, B. C
local-reputation-now;;此次交易后相对于对方turtle的局部声誉5 U+ A& d& U, Q9 N* {/ f6 K
trade-times-total
4 B" H: V/ k+ u4 T5 I2 S/ |;;与当前turtle的交易总次数
" @ a! I: I8 Mtrade-money-total; ] P! m; w3 n# U
;;与当前turtle的交易总金额
' v6 ~ p$ g/ V% y7 L0 f3 llocal-reputation1 s# D. |' j4 x5 L1 D8 Y/ ?. x
global-reputation/ E5 ~( F, Q# c0 ]. i
credibility4 t1 q3 j! D( c+ Y( Q
;;评价可信度,每次交易后都需要更新: w2 a* K+ c- Z' r6 {- m/ {& ^6 Y8 L
credibility-all
4 y/ f9 N U9 c. H0 R;;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
2 ~ W! J7 U: ]3 ~9 P
3 _; X0 J$ b9 }5 x( I' y1 y8 U; 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
/ ^5 i, H$ f( X! V# n6 s" R; ucredibility-one
; F8 q1 ^ ^3 ^2 ?- s;;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
3 {+ S* ]$ s2 |5 L' eglobal-proportion( i! g! X' `5 q: B
customer
- E, \7 |5 F: W& D( |3 ocustomer-no
# [5 G) M+ j# k& w6 Gtrust-ok
. E3 ^) T& i- A+ Dtrade-record-one-len;;trade-record-one的长度
9 G; z7 R) }/ C5 V+ W# ?7 @# S]
" K v$ X9 Z; [2 }* t1 _! L% x, \# w( b; X) i6 L6 s) d+ A, k
;;setup procedure% }7 V6 K) ^ v5 m9 A8 u
" ]5 N' q' W R3 |to setup
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; P: @# |' R9 d3 s! L/ \# kca4 I) D0 Y& D5 O
6 Q1 H$ j9 k; M7 W& E
initialize-settings8 K# x' S' a0 H
1 I, j \) h: g' Y# Z0 r. ucrt people [setup-turtles]
9 t& _% O* \7 k4 _) d3 j6 u/ H: p6 S3 v B& S/ ^ X/ y5 y% I( K7 E
reset-timer
1 }6 t y% B# h7 z. I$ X$ y6 ~: [" G m4 l; j% X
poll-class
1 z7 l( |& L4 K& W& x" O$ F m
; I% `, m7 V1 ?. _setup-plots/ f! i$ ?! Z- d
1 ^. o- e; P0 G+ L
do-plots
# u& i. w$ `: D1 \end
5 o: ^$ Q9 W& C7 Y4 |6 M" q: a; _! Z8 r. n: D
to initialize-settings
$ L( G# T0 @7 `+ _8 ^& J
( w' i% X4 S1 ~4 Kset global-reputation-list [], J- S4 g8 K+ l, ^& n% J8 b
5 B; S: v" d2 i' {. M/ bset credibility-list n-values people [0.5]) }2 L. u- b0 }3 v8 l; K9 c1 F
. m+ L' J- E& p
set honest-service 0
. h+ a6 y8 g/ a% s: f+ R- c1 L5 M3 H# ?0 a7 I. S
set unhonest-service 0
" ]9 l! m- n9 f% K) D. R3 Y/ X1 E" n. ], F0 o2 s+ b
set oscillation 0
5 `8 q: @( }1 J6 ?
; l- X- w1 H8 g' T2 Q D9 cset rand-dynamic 0$ `! j- Y8 u4 C) ?
end" B9 u \5 r+ A0 G# @, {
% y' K( l& G! o! t3 s* fto setup-turtles ( l; n# L( _- r2 A
set shape "person"$ X' u. D* G* i0 O) O _; @) l
setxy random-xcor random-ycor, c3 m! J9 m3 Q# ]# Y
set trade-record-one []
5 j4 s, H. h. I1 u u, e
: R( \0 u' J* p) x, P# Y$ oset trade-record-all n-values people [(list (? + 1) 0 0)]
9 T9 z% H8 c: j% d( {/ Z3 C* K6 C
set trade-record-current []
! E) ?4 F; r* e, B/ Z/ } mset credibility-receive []* v" [7 d' U: I- h7 D0 H' a
set local-reputation 0.5
$ ^. n+ A5 Y; t( Hset neighbor-total 06 Z" x5 j* q! n/ Z2 C" M* c
set trade-times-total 0
9 [6 c8 d7 o4 z$ _set trade-money-total 0. f0 W/ Q% @, U9 D2 `1 @& P' f6 }
set customer nobody r2 w5 @( r# C; T2 k$ W
set credibility-all n-values people [creat-credibility]6 `: P6 j$ i7 I% I1 J0 i
set credibility n-values people [-1]
: H1 L; Q2 p% N0 pget-color
5 }% o3 x" K, r( i) \( ^% ^ ^
* L( S+ g S5 V6 x8 v3 V; _. ]end
/ ?9 d: ~0 E, Q7 y0 G ]( ^
$ @0 V7 u- [" F9 p; d% r1 {to-report creat-credibility
7 b( j" C0 t W2 i |% @8 n% {report n-values people [0.5]* j/ A# w A" K: y. U& D o% ?+ E
end T6 ^& X' L/ z9 x/ W5 M; |/ w
$ L* l7 ?, j: [7 X) s! gto setup-plots
! D9 h) M# H* P0 T4 m/ t* `9 [- N# C9 _+ x+ Q" @
set xmax 30 G/ _ Y4 E- } q: K( f5 T
$ C6 k$ N' b/ P0 H, [) |set ymax 1.0( n8 l, u8 V/ v& D( R7 [
$ m. Z: k$ H( U! f$ C( @8 I+ \
clear-all-plots. X/ a8 n. L* D' ]
; B( _1 L/ a. |$ Y5 R% a3 \setup-plot1
# u( L7 `6 `+ F9 k
% |4 B& q3 d) C3 I3 k- msetup-plot27 x s8 c/ b8 Y2 u- u# e
$ b: C8 w7 Y/ T0 J3 ^- y
setup-plot3
7 L- R. l7 K- I$ d _end
3 j: B+ Y) |: o0 B' k
0 N) a% P" `) C9 i/ O) x;;run time procedures5 S8 z# b% L4 q: x& \! p/ @
S% X$ ^! T8 @! U9 B U- ?& P+ Hto go
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ask turtles [do-business]
, Q8 a6 x Q& ?# ~0 q! E- Zend9 h6 B n+ l, }
7 P% m$ e1 J1 p9 z, n8 Bto do-business . ~$ T4 T5 O4 N% ?4 R3 ^
+ r2 Z9 \! D8 w! T( p
6 W( N& {' K( V0 ^' u8 H# e/ a' q/ ]7 Grt random 360
8 a- S& {4 M9 k6 F
) @" K6 j, I' D5 C" F' Nfd 1
4 g/ |. M7 J# B q2 ^# O8 l: M4 S; n; P
ifelse(other turtles-here != nobody)[9 P4 B5 L3 R0 K; ]% _, G
. }" D- }- @1 g! z8 W8 I" g3 yset customer one-of other turtles-here
5 K4 M) }1 w4 [
! r0 o0 K' J' R: ]9 w9 o;; set [customer] of customer myself2 J; h- U+ o$ K" e1 s& U( t; ]7 r5 X
+ [/ N$ l, w' ^% ~( X2 @# z7 L1 [
set [trade-record-one] of self item (([who] of customer) - 1)7 M* {3 N: \& [* G+ b7 R
[trade-record-all]of self: R4 @6 F2 Y* [( D/ V
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
) C! l; {5 [+ q% ?& {' Y; {4 a0 O
set [trade-record-one] of customer item (([who] of self) - 1)2 @: E8 |0 C$ N& X
[trade-record-all]of customer
8 Z" E7 K2 Q0 }& E& \* k2 V6 R; r7 |# Y- v$ W
set [trade-record-one-len] of self length [trade-record-one] of self% b; M- g, Y: N1 r2 [0 X
0 T4 x# Q; S! E* V# e1 Eset trade-record-current( list (timer) (random money-upper-limit))
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ask self [do-trust]
% s" H' V4 u# ?. I. s;;先求i对j的信任度
- J; A3 C, T. G8 y" g7 H1 J
4 T" L8 U- f2 j! n5 J! A$ bif ([trust-ok] of self)
- H: }' D+ G2 F9 J7 Q;;根据i对j的信任度来决定是否与j进行交易[
* i5 o) ~3 k: M* o% i: L3 vask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
, v8 U1 k& n6 C
8 I }$ |' L9 J% J% u" X0 r9 _[
- p2 H' A: n) ]' y8 U# E+ g. b9 M+ ]' b' v+ S8 [( @. ?
do-trade
+ c+ M5 d! \: w6 @2 b" m4 z+ X. `8 [( N! X
update-credibility-ijl
# L, D5 G! d4 G& Z0 U+ E- L* o
update-credibility-list
+ O; e% S4 j+ b0 @
4 z" ]/ ~ e5 t+ A
/ j' [( K" h+ @5 f+ nupdate-global-reputation-list
9 O! q- `+ ~. p0 @5 [' k
- j) u& m) j% j* ], }# U3 kpoll-class
3 c0 }" f! x$ y- D$ a: e: B3 J9 K8 J7 ~
get-color0 l) l U: n9 x7 @: w7 G5 s
8 b- @6 H8 k9 x]]
% |. G( ]9 d2 m& j
8 |6 z( s1 J% i( i6 _4 B;;如果所得的信任度满足条件,则进行交易
7 I$ ?# t. y2 S1 l' T: N$ t D1 L$ i$ @; {7 K2 U5 {
[
, J" B2 |7 t% l& \6 M9 v3 o0 f- p: O, ]9 Q+ h0 t' a( p
rt random 360$ x0 K: A F# I
! a+ t. H/ F. |2 b1 t% R% X4 \! Hfd 1& V% }% J4 c4 m9 J0 a* U
/ o1 Q/ r: W2 f) i" X6 C
]2 p6 }6 v' T( d0 V* m8 `$ q
4 v) W4 U; o7 _; T- ^end. z$ ~- z, ]$ y2 p
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to do-trust ! j, N! w! s( c2 F, Z( @
set trust-ok False
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0 s/ O( ^1 m$ G5 @2 ~4 }/ V3 {6 f7 V& e" R& n! @, F6 m
let max-trade-times 0
; e! P( [. k- ^foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
! c( q& g+ n) k# _ ilet max-trade-money 06 S$ Z8 n7 u9 ]+ D$ Q! e
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
# O: z. [. f2 Z) l) R) olet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))1 L9 b6 s# I6 {9 Y% v
. p- H& m7 H2 X# r$ i* O
, [9 C( B$ a+ q) R2 lget-global-proportion" I4 l6 q6 F4 F3 f
let trust-value
. L y* U' J- a [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)
0 r' w, W- v$ z; dif(trust-value > trade-trust-value)
' m( F' I- x% |) C, s8 S6 j0 n[set trust-ok true]
9 h* \4 z5 w* @' E4 m0 Jend
% i- Z/ {1 z5 V+ e( i5 H+ q, w' Y3 C
to get-global-proportion
3 y) V0 C. K+ r3 Wifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)* }" {+ P' K" C6 g* j8 V
[set global-proportion 0] L( C9 I; p9 o- Y/ B0 N" H: V
[let i 0
! ^6 D$ n! u2 T$ D+ Ilet sum-money 0
) ?# ]7 }2 D. X, }' P5 x9 bwhile[ i < people]
& l+ H2 Z; H5 }[! @0 o( Q5 I* r: s q- ~
if( length (item i
7 q9 F' X) M+ G3 B1 F[trade-record-all] of customer) > 3 )' |4 _( r, ^. `$ \% a- k8 w" }
[4 H: V3 ?' j( K( c3 u% I3 E5 P3 T8 e
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
+ s( q) q$ c# Z8 D5 ^]
/ Y8 z, l9 G1 I( j]) D: |( L8 {& B
let j 0" u1 N# @/ T0 f( S1 d
let note 0- D" [* @6 u( i; `8 u% u* \: @
while[ j < people]
) b$ \7 u6 F2 o* Q/ L[& A2 F& f* M w" a$ p' q# O
if( length (item i
# D6 a5 J& t/ A4 P ^) w5 r[trade-record-all] of customer) > 3 )) d, [* f- P A( i' r$ J
[ j0 b6 z$ k i
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)2 t; W" {, }2 R$ ^( C& {6 O9 K
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]2 D: G8 X) Z4 Q9 L+ K: e9 \$ E
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
6 r# M; U" Q0 z; W4 Q! G6 Z] \) M# E& b, Z4 K( ]3 X
]7 }2 N, s' v5 L& ^1 B
set global-proportion note& s- w6 L4 C t
]
! P! |0 Q" ~. l* m0 [end& ?* A8 y! C2 @* z4 Q# s
$ ~1 D3 F: `/ G j# v5 R1 t4 a" Tto do-trade
O$ E0 x: d8 J! p; B. x;;这个过程实际上是给双方作出评价的过程' N6 o. H- c3 |- d1 M; x: U
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价5 ~$ E* @# l* q# G+ q) m
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价! a: I! x6 B4 I' c( F
set trade-record-current lput(timer) trade-record-current
" u* E1 D4 q- [- q;;评价时间
0 A' ]# i2 [7 d3 T6 O6 |4 oask myself [
* O9 L4 ?7 f$ C8 D5 m ]' O" V9 a5 L6 Jupdate-local-reputation
$ [0 {% v3 P: e Dset trade-record-current lput([local-reputation] of myself) trade-record-current
6 r: i% a# o9 z8 ?2 Q+ ?5 T]
1 S1 Q2 I- k, E7 e$ l, M N4 ]- ~8 iset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
3 m5 L% R5 E' }1 D;;将此次交易的记录加入到trade-record-one中# Q2 \. Y6 l. {9 I
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
& j+ K8 o8 F. r% dlet note (item 2 trade-record-current )2 n1 h9 s* D/ R& l
set trade-record-current2 @& \% ~: ^! @) V) L, h! x
(replace-item 2 trade-record-current (item 3 trade-record-current))
3 z4 w- x* `! B, t/ h6 d3 ^set trade-record-current. x& ^. E' L. _! ~
(replace-item 3 trade-record-current note)
0 @- [( h, p" F# m8 f$ G2 A. x% i* @7 S: {, k' |: S; O, h/ H" _; x
5 N! t# V* ~/ a/ e$ dask customer [7 t8 U; `0 D6 q- r
update-local-reputation( Z. j& B7 E' P2 O2 s$ t
set trade-record-current+ s3 U+ T; Y# c
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
k ?4 @+ M6 L# x]+ a4 E" {' e( V7 ?: h
& y3 ]+ p% M3 ~' J! X+ X7 }) [+ s
7 p( t( n/ C! |: x+ R f2 lset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
+ m- P$ B) {, T$ a9 I2 K
5 K. Q# b. m* t/ F% b# p5 A" a+ p! Tset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))3 }. k. C- b) S; C2 i& Y! h* z
;;将此次交易的记录加入到customer的trade-record-all中' P- q* w0 |: h4 Q5 ~$ D7 x3 Q
end
* g* b* _$ m) t' V6 d! g* z" M" L- p* f8 A/ ]
to update-local-reputation& B# p8 f! X, f6 G
set [trade-record-one-len] of myself length [trade-record-one] of myself
$ \' }6 ~6 w( D8 @6 p1 [2 P7 X4 |
, M; Z: e1 K9 ?) Y' I7 t# I
, v) g# \" W8 Z) I;;if [trade-record-one-len] of myself > 3 {" n. U+ C% h, k$ U+ O2 @
update-neighbor-total
( v, T, N" q7 X* k/ t" n2 T;;更新邻居节点的数目,在此进行6 B" Y# \* _' I- V! m+ T3 W
let i 3
. r' R, N" I+ d. j! ?6 s( W4 ]let sum-time 0& J4 U" P6 ?) j
while[i < [trade-record-one-len] of myself]
4 q1 v, g& \. z* j5 y[& R; }, M" n( I7 Z' V+ G+ x! C
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )& U1 o+ y: i/ i* e" H
set i9 W+ Z7 J. ~$ [( y
( i + 1)
R! s: N3 I, H1 ?( A]
6 H) D: k1 [8 l- f8 ?% plet j 3
/ h/ W8 U0 X$ I3 A# d, ~; flet sum-money 0
8 a" B! q) i! E9 ~$ J+ T! lwhile[j < [trade-record-one-len] of myself]0 t+ |5 P- ^, w. T1 t6 K. Y( {7 c
[+ E# G6 _: c$ q. Z. V# Z
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)
& S# a( x+ {1 d" x' Kset j' H6 m+ L4 S* V4 D% [+ D6 D
( j + 1)
7 M, d# F2 S; w]
$ y( v. U0 j2 h+ C$ A( Flet k 3
% @( G4 L; z8 Y5 e \$ F' nlet power 04 @1 {9 L- \, _6 _: d$ r
let local 0" G- J9 I- v# n5 n' \) z
while [k <[trade-record-one-len] of myself]: C# z8 U/ _9 f6 ?
[
. {6 Y/ b, J5 |- x% J: Kset 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) 8 }9 G4 _4 Q- L* X0 u f; t
set k (k + 1)( O( x8 T" V o- N
]
: p" j, K) t% V4 |+ Zset [local-reputation] of myself (local)
5 S4 ]$ q+ n' ^+ U- O( Eend, J' d: T) K% V1 X+ E; @
. v6 _- K) I1 }6 }' R+ {; Z2 _. v! ~
to update-neighbor-total% S! ?4 o& `! x3 K2 p, T
& ?7 e0 G- R4 fif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]; k/ c: U* q$ C. H* K( a; ?' n" z
' i' ]+ a A& D9 w
% R" _ t \" Y o; j {end% B3 U& @# m8 o7 m( K# w' O9 a
}( ^5 N+ _$ m: S* lto update-credibility-ijl $ o1 A, Z1 A% @( Y
: H; E, c! d" ~" C; F1 m/ m
;;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 M" ^6 I: h% r2 B' g! `; Llet l 0
* x/ q- h; C6 [2 f1 T* x1 ?6 wwhile[ l < people ]" _! f4 l4 C% k7 T) Q4 \1 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
M: F* w2 ]$ E5 I/ l: w[* o6 p+ \$ b I+ r) C) v+ B/ E
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
: c( L- O3 ?$ o, Sif (trade-record-one-j-l-len > 3)
7 J" Y1 Y, f& r9 k u( g, x7 T[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
; Y0 R- S7 l' o( Y% o N3 y% c% `1 L0 }let i 30 v* V8 ]0 ~( ^: \* c/ P+ T5 i4 e
let sum-time 0, O2 h8 @$ p% e2 e9 P
while[i < trade-record-one-len]
" s; l4 U+ a; t1 Z7 s[" a+ n: V" H) P+ A5 _' Z
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )7 X' J' e9 z* p4 K2 C. V
set i
, F& m( w# y9 w6 C! N9 C; v( i + 1) k* J* j4 A, s$ A: r
]. u1 L t9 h5 e) h5 x M
let credibility-i-j-l 0
% V o, t& y; H }& D;;i评价(j对jl的评价)4 S: `+ g: W1 h4 z
let j 3
/ |9 \9 C M2 s; A! Nlet k 4$ r$ k( y( ~. _- v/ _' L- I
while[j < trade-record-one-len]$ r+ i% @( i* n' C4 E5 F3 m1 e8 ?
[
* J1 x& r! X% V3 i0 U9 Hwhile [((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# u7 r8 v2 c- f; Z& j" n
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)
% H# [2 A0 z& @+ ]1 G3 ^set j
( N9 }* [7 b! M" ^: }( j + 1)
3 r" H* V1 d: }% ?6 a, b% M8 E: @/ x]
" Z7 I1 v7 A8 b, Sset [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 ))
/ o+ R+ J! c( w' R9 Y" V
; _% o# W# m9 f6 V' n% `/ f* @! |: U, @' ] @
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))1 r- W8 u }5 k6 j
;;及时更新i对l的评价质量的评价$ F/ M2 K: a) `2 }2 o7 ?7 S* {- r
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
8 ]' X' b! w) \/ @set l (l + 1)) ^! F0 b" b, m' g+ {1 O
]
2 b7 w" }7 K7 W& n ]* yend. t0 U Q6 k0 ^9 e
7 Y/ i5 x; [& B$ `( Jto update-credibility-list
3 N/ u1 m) T' s: r' ]let i 0
B4 S8 F# P4 qwhile[i < people]
# R- C" V. e) s% K5 T7 [[
4 L/ z# e9 h, O& w4 P! M e6 zlet j 0
5 C/ q' L5 w M! Blet note 0
3 ]% G9 C7 s7 B/ V. X! O1 ~' Qlet k 0) o, r" C! P1 \1 Y3 k/ Q- M; S
;;计作出过评价的邻居节点的数目
! r9 ?7 U/ v$ Z2 L6 {" a% vwhile[j < people]/ ?3 C! M" |' W3 }
[( v6 ]: p& i) P0 q D. E, c
if (item j( [credibility] of turtle (i + 1)) != -1)
: }) w0 e+ @8 \;;判断是否给本turtle的评价质量做出过评价的节点$ G0 p5 Z% U8 y1 h
[set note (note + item j ([credibility]of turtle (i + 1)))& ^8 Q7 R4 Q! G
;;*(exp (-(people - 2)))/(people - 2))]. _& E/ @8 C# T {4 L
set k (k + 1)
, q, E& f. p8 q' q3 Q: F& T- l# ^]
% j- E5 U0 t/ P4 L7 D3 ^set j (j + 1)- l" Q4 y% A( M7 c
]5 e, H& j# W- ?, I* d
set note (note *(exp (- (1 / k)))/ k)+ \! j, e: ?4 a8 P8 _
set credibility-list (replace-item i credibility-list note)$ U6 Q- M; k' h! J* X
set i (i + 1)' z$ b6 I' D3 T
]1 _3 M. `$ X e' m0 V
end {( t/ a8 I3 u9 V, e% o
* ~7 c# `( u" I' P: V. Tto update-global-reputation-list
% f0 D4 x! Q& Vlet j 08 |9 ]/ B! q2 m" ~ c; a) M8 J
while[j < people]
( s& a# S: O4 t% u3 h* V5 c1 p( F2 t[
6 v, h! d B6 mlet new 0
: O8 A+ V" o, \1 j6 h- A;;暂存新的一个全局声誉
' g- |" f& ^3 ^* l3 J! \let i 0
5 q. W& W5 T2 olet sum-money 0
- J- w4 d: \6 s: klet credibility-money 0: ^0 U% U* D7 F$ g
while [i < people]
2 q, c2 j) ]# \: H6 X. l[
: E, I- q$ V. Sset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
- X& @/ F+ j/ ^/ [4 A/ eset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
* J8 l8 F. C( _. @1 }1 fset i (i + 1)
! [) G1 W6 c% A3 ?1 G& w]# Z" X" l1 B2 t. Y0 F/ J2 Q& p
let k 05 ^9 t5 R7 i; h l% S
let new1 0: ~& R" I( L6 o7 _2 y# a4 I
while [k < people]
3 o5 ]3 t3 l: E7 ] O[
/ p& _1 y8 L0 K; \, s2 K4 ]; G3 j1 tset 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)2 Q" f" t* {" t& y- K
set k (k + 1)
! _8 @( ^; r' c, X]
3 S1 d. x" u& D" j4 n+ Sset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
& |7 N4 w8 j7 T" B' [set global-reputation-list (replace-item j global-reputation-list new)
; O, q$ P7 Z$ i2 L% tset j (j + 1)
7 Q& z. c) |$ T! w2 t: P* Z8 _]/ K5 L [9 L$ e# B2 Z$ Q- }
end% W3 L g6 Y9 `4 V1 t/ R$ ~! t% G# x
p% D& a# G- p$ ?' r7 Z% A' G
% P3 D. Q/ | N Z$ N1 `' J/ z9 p+ \+ i! T3 K y
to get-color
) e% E2 ?7 s" K8 @1 b7 w# b) N
( p- g* a, Y# k7 J1 ^set color blue2 T% f; W# r! m
end$ Q# T; d6 |) D" h
7 t- c# ~0 R u! ]8 F3 v' bto poll-class
$ O: g* z# k: q2 g4 Qend( u5 }! s' |# i- @+ q! O" l, @& C
+ Z0 ^1 Q% z- k2 wto setup-plot1& F9 p% a1 ` N( @5 a
+ z/ g- q7 @7 r5 K1 ^+ d# e9 R" M Tset-current-plot "Trends-of-Local-reputation"
3 x; ~( q1 G* k( b
- x' A; B2 H- Cset-plot-x-range 0 xmax
. e/ m% E: ?. W' b9 x$ a& n2 z8 C, l
set-plot-y-range 0.0 ymax( _" Y0 x8 L) r) C. c3 [- X
end
[8 v/ t, J8 Z4 A' {7 K) p" y6 c
# c5 o! |& i8 d3 @6 {( x' Jto setup-plot2
; y/ v4 U9 t& Q2 z3 m# c% a" N0 d# g' U5 F+ |5 |
set-current-plot "Trends-of-global-reputation"
" F" C- j8 P; E' Y" k5 \/ F
0 m& J7 ?9 X1 H c: rset-plot-x-range 0 xmax0 j% m- I9 A) r9 a+ ^
) ?4 f( [- H9 j7 i5 ]4 o1 w2 R8 v
set-plot-y-range 0.0 ymax
% s/ K, s- h& Q @8 tend
6 X. W7 E1 f2 c- V7 H. L' F6 M: I4 x; n7 g3 Y: s6 Q" |& J! w
to setup-plot3
3 L4 q1 \# x4 `1 C
9 \" r: S# g1 I5 Y }5 Y' \: {set-current-plot "Trends-of-credibility"
0 X6 J; M7 D1 R: W3 ~$ H
" h; T4 e- c5 {" n( uset-plot-x-range 0 xmax
9 m7 _: C7 r2 @9 d; s3 ?8 \$ @2 r! S# \
set-plot-y-range 0.0 ymax
; C) y9 h- y; `1 ^" E# @end
: z+ d* P0 @5 q+ s1 Z' Y, t$ q# [3 ?( _+ Q
to do-plots
. N" R2 N; W Vset-current-plot "Trends-of-Local-reputation"- w5 O- A9 a9 x4 O- X+ J
set-current-plot-pen "Honest service"1 ~3 M& X R+ V% ]8 i
end
3 H" u3 L6 g2 M K( w5 |% R" D# O6 I4 u) \4 a
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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