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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
# c3 Q: f7 |! N4 O! W" tglobals[ ^6 D& {% [4 G
xmax1 ~ |% g; t( {" D0 C/ Y1 a7 D3 ?
ymax
, I' E9 b' c3 M/ Y& P$ w9 C/ gglobal-reputation-list
8 o' D5 D2 v0 p5 R8 h; n% G
8 ?9 h' e: W' o Y;;每一个turtle的全局声誉都存在此LIST中
2 j. T7 c: A4 `5 dcredibility-list2 [2 ?, O7 V9 H1 C4 v
;;每一个turtle的评价可信度
3 [) ]/ a7 o. T, e( q B0 @' |: T4 thonest-service
& ` E2 e* \$ T( Yunhonest-service
# f' z* _# t0 L- ]) z# O2 r0 ~oscillation
2 y! w# ^: }9 G1 l" R, Prand-dynamic8 d3 i8 q$ Z8 p: f6 j3 j
]# r8 O8 d7 @4 ]/ L8 r3 o
/ t1 ]' w) V. ] R y
turtles-own[. b" g0 a# s# X$ c+ N! m
trade-record-all3 V( }" {& d% M7 s4 ]) v3 l7 G
;;a list of lists,由trade-record-one组成
; _% p: J% ?" j1 y* }5 mtrade-record-one7 d8 {1 N* b/ V1 g' c
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
6 R' \1 E. ]: E9 \! ~
5 U8 w3 k( V2 C/ b4 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]]
* ^: O5 x6 \4 {* _6 R; b5 j) b# f0 u qtrade-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]2 R5 C: I" T& d
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
) E9 m! z. ?$ @neighbor-total9 X9 K. e6 P0 A0 D# S4 `5 S) o
;;记录该turtle的邻居节点的数目
8 @* j4 }+ T( J- S' }5 `4 T5 d0 Gtrade-time
# `* G6 N7 {: I' a) k" z- x2 d$ G; \;;当前发生交易的turtle的交易时间
1 c& _: ?& [( R" |- `appraise-give
/ G$ \6 H4 G* D9 _7 i) ?;;当前发生交易时给出的评价
X# {( j5 T3 M1 K7 H+ k Kappraise-receive6 K: t6 u) h& G
;;当前发生交易时收到的评价( K2 F: L9 {" |& n ~
appraise-time
, x$ M/ e0 x) o& O# o6 G) n;;当前发生交易时的评价时间
0 f( E% S( Y; J, m9 K/ W Vlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
# _$ |& v" H6 U) ~6 x$ ttrade-times-total/ Z* W( |/ w3 y- M
;;与当前turtle的交易总次数$ c6 o. `! A3 r8 y8 N, n
trade-money-total
7 c. L! ^# u7 M. z7 u;;与当前turtle的交易总金额
- e3 b) q3 [& ]0 X5 Blocal-reputation) ~4 E0 V: C! J. i
global-reputation( Z! o6 o# S% ?0 L0 \
credibility
! q7 U$ X0 q. q;;评价可信度,每次交易后都需要更新
$ Z! T: ]1 X) X8 vcredibility-all* U/ p) s: E( v, M5 @! X# p
;;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 ] {$ b$ E |" Q' z: _2 v m9 {1 B) |" U7 E( g4 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+ d, a7 q! v: G1 S. @: M
credibility-one
! ~* D q1 @4 o;;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# @. B$ V; V5 Q/ E
global-proportion
+ I- U+ [5 k! Ocustomer" r/ ?/ j& U8 V9 S% ^7 O7 s6 l
customer-no
3 {6 f- P0 Y5 }* Ltrust-ok4 l4 Z/ b0 D. H g( g
trade-record-one-len;;trade-record-one的长度$ u, b" |# A7 B6 H& m: H- L% t
]) y6 F& S( {( l6 z) j+ p4 t
d3 Y" E6 s2 V# Q( z; {& P
;;setup procedure, C" b W; `& P) `% S: t
, Z: ]5 J5 ]( A! ]* gto setup
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ca7 J. o' \8 k4 {* W4 x5 \+ R1 s
1 d( F5 h; V3 |( P
initialize-settings
2 W8 C9 R3 W- j7 X6 N1 i
4 a! ?& \0 t( n! q& S8 `7 }& j3 \crt people [setup-turtles]
$ p- w+ [/ p' @: f O6 M$ i1 I5 ~ ^
4 i( l) J& [, Y' T/ ~! V. O+ Qreset-timer
" E/ \/ C/ L1 M, r9 j W) O# x9 |# W- F1 |- `# h4 G/ I' v
poll-class
5 [' T* J5 o N0 u' U* r. r; }
0 K4 \ P) x# h0 k; S, r3 c7 m# o( Osetup-plots
% Z* b' I1 f2 u d: W5 G% \: f; l3 K
do-plots2 \$ d! Y* r8 v( A' O' W3 L. ]
end2 i" Q# d7 l8 F$ j% k
( L. ?7 F& o7 G
to initialize-settings) d9 o6 C4 Q, M
7 u, E' M0 Q, w( [+ Tset global-reputation-list []) k/ z8 O. q) G; Q- U$ A
7 X9 o& `+ Y" H) Aset credibility-list n-values people [0.5]3 f) v- S; ]0 d* V; _; `# x
1 X! g5 k( i9 u1 O/ d' Pset honest-service 0
. z" @( @8 S( e4 i% Q! }
T- {5 p( y" P$ i, i4 P9 lset unhonest-service 0
# R+ `9 k! e, d6 C, B9 D6 Z, F1 ^4 [6 k6 J N/ a
set oscillation 0: v3 H% Z$ [, [, k+ r
7 l! S/ Z" C m- V9 y5 nset rand-dynamic 0. h# Q- F3 x8 c* r: E0 f! q
end
8 X& a I C6 w3 a( N, j8 N8 R: e, H' q2 o5 C: t
to setup-turtles ' v/ a) i+ j1 w
set shape "person"
8 s. b9 s& S8 u) }setxy random-xcor random-ycor$ j) Z5 f, `1 a1 e1 u2 H
set trade-record-one []
$ E0 h( D7 B, V5 z: l
$ e3 m2 z/ N+ |. p/ F5 R. u6 wset trade-record-all n-values people [(list (? + 1) 0 0)] $ c4 f1 n0 y( t0 |5 V
! |3 \ f2 o- n. O$ i0 Uset trade-record-current []
. j- i- r B1 o) {4 D" g; Gset credibility-receive []
, ]% K! ]5 T" z$ d$ Dset local-reputation 0.5
7 Q: `' Y n# X, x3 T' d, jset neighbor-total 0
* Y q& H/ O+ i. W1 V1 Q; Kset trade-times-total 01 ^# N' T- E; M/ u: J! Z
set trade-money-total 0- ~$ c3 |, M& M8 S4 V7 [
set customer nobody
1 g* r. f& E1 z2 g; N" qset credibility-all n-values people [creat-credibility]& S/ i( t% j8 U. Z/ X& Y* p
set credibility n-values people [-1]1 \ H( q/ }9 B3 M2 V
get-color
% s4 }) W6 u! _9 ]0 B
, a8 L$ D7 |7 _9 k7 r* w. ]end6 N7 ^5 m4 v! @2 K q; M) I( [5 v
# y- r, V$ f1 U* {to-report creat-credibility
( T0 }( w0 _; I5 k( x$ E7 Z8 Lreport n-values people [0.5]
; M' I& j3 h k1 J( V. P8 nend8 X, y. m1 R: u& A
2 M, w/ o& T' _) J( u/ L
to setup-plots# L9 t: N. M' r% f/ z* F
7 I, O3 a/ d1 e( o9 u$ r
set xmax 30
) C* z- F# I/ ]. A! b
" l, ], X3 s- j, |) d- |6 @& G. nset ymax 1.0
' [6 C1 {( V4 C( @8 Q4 a
7 B% N, @( J! @6 @, h" qclear-all-plots( p5 l& d8 d" `" G3 O0 f. C7 o
3 S) }' v$ ~% y U4 J
setup-plot1
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7 n/ R' I- L/ `4 T+ A( E2 }8 hsetup-plot2- l$ O* U: }, |7 F
# B& ?7 e k1 g2 H& Y1 g/ X3 S
setup-plot3* |; {9 L# n1 t2 X" C
end) B9 D, n$ w" j e# b9 w
% D' S1 f! f8 {) t( [3 v;;run time procedures
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to go
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6 B3 ^& L8 I5 \6 s3 \3 h0 Sask turtles [do-business]# T3 ~5 ^ q0 Q/ v) b' F& c
end5 V9 L: |2 d; ?8 |* ~; s7 H4 H: n
7 v/ n3 C* A# N9 H' B6 o1 e* y
to do-business
9 A" K6 A. s8 {! m, [
$ |9 t& n4 y3 M4 R7 m
2 c- \+ l2 \ h3 N/ s) _rt random 360
0 |4 N4 o# C6 ?+ o; i' k7 @
8 E- m% D' g% {+ sfd 1" Y V5 q5 i% J1 }5 ?
$ r2 O$ |& M. d! t7 j7 j/ w
ifelse(other turtles-here != nobody)[
# a0 F. P c( J _. V8 |, J% H& ]* M% c
set customer one-of other turtles-here U% d L9 _6 F) y% ^+ b3 a
6 o1 l3 c* k7 p" A2 g9 ]( g;; set [customer] of customer myself( |; J( T! f$ ?/ M. p, V
9 o2 ]( X/ x) y/ Z. aset [trade-record-one] of self item (([who] of customer) - 1)5 R) O* J8 M: J7 a) F3 _' t% l
[trade-record-all]of self& L' Q! V7 E7 M' D8 ]2 s" Q
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
+ ? S) Z! [. m3 W9 {/ W
3 K, u' i x/ ~4 x: _* I/ y1 t8 [set [trade-record-one] of customer item (([who] of self) - 1)+ Y- t2 B+ k( n1 E2 F" c; J
[trade-record-all]of customer
- F6 u H4 A# L8 ?
- g% p$ V" ?, I0 `$ u9 Mset [trade-record-one-len] of self length [trade-record-one] of self
% a% u& I/ S0 ?' S4 B% o, \3 \& Y8 p. s) C8 C. T, A
set trade-record-current( list (timer) (random money-upper-limit))
- R! }4 b8 e3 i( f: c) N9 n9 Q: M$ L6 F- ~* N& E$ M
ask self [do-trust]
) Y) p! G) k5 ^7 e7 n;;先求i对j的信任度
2 s( I; M6 y/ \3 j: W q- P% [7 y% R3 N" H+ u
if ([trust-ok] of self)
+ d$ h2 P! z# J6 G# Q6 d;;根据i对j的信任度来决定是否与j进行交易[
8 l) m% X+ G& f1 z% m2 M" C; J) i, Wask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
- |9 n1 q4 c0 k& p' J
/ B4 U& _4 p5 {, _- c4 I[
2 B s5 D3 V. X
: ~ X- T, ?7 D" s& l& `! W; G6 Hdo-trade; P ?; d0 ]) \; a# k
7 z3 Q% G7 y4 {) U
update-credibility-ijl
# o3 c6 J6 b+ v4 Q( x. t9 M9 B: r1 e
update-credibility-list/ K- q; Y, ?7 D, w) \2 O
7 w% N6 c+ \+ H2 {6 [. O3 z6 D
: B! Z5 i* [6 O8 c
update-global-reputation-list5 p$ M' j- u$ r0 `
" d: R! I% `- I8 Z) d* opoll-class
1 o- y0 y; E6 ?& v( r* N5 p/ k
, G0 c. K \1 Z3 U1 kget-color
b' d# P$ r3 k0 ~ w
5 I* }1 P8 X7 i0 D- s' i3 Q- f6 a]]
1 j/ Z- r2 ?5 G; P
& f/ C4 w, [/ U0 a' B; \: p+ \;;如果所得的信任度满足条件,则进行交易2 @" {. B4 I4 j# L W& X8 d; d
9 B! U2 h$ ~* i+ f# W/ F; y
[" ?: L; L7 i8 \5 n \- F
! B9 x& H/ f* ]* P" C
rt random 3604 _+ n1 ]( {7 a) L ?
& X$ B2 k' ^; E( {8 j' a7 W
fd 1
" Y4 U: @ D3 }3 g5 k5 x# r& b \; u$ l _+ l* T+ K
]* g) N0 a) T$ A" U( i! T% X
" u$ w/ J# R: j6 Aend- b- I4 E: O( i! N
) N( x3 _9 B K4 d0 d% B1 dto do-trust
* L, Z$ S! o* d, J9 X* ]set trust-ok False* x) d9 o3 Z' E( @
, v" N4 ~+ q; p
# S6 z& K7 m9 Tlet max-trade-times 04 c2 U5 Y2 M* x! S/ E
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
2 e! N9 A' b9 k8 B0 Klet max-trade-money 0- n9 h" {( {; J1 |
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
( m! a* z5 G+ Xlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))/ {. w$ X0 |/ X
" ~7 S: ]8 N; e7 }9 C* B/ R
8 b1 R6 G# o2 @4 ~! l1 c# |get-global-proportion
# z" q/ A0 u3 Z; \" q1 ]! Ulet trust-value
2 }1 E y6 c7 Glocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)/ T% P; X5 w( ?/ Z' q
if(trust-value > trade-trust-value)1 ^7 v4 S7 E- j; _5 ~% P
[set trust-ok true]# e7 [7 j* K$ h0 l
end2 p0 x0 `* m" p
/ G3 s( A1 H. x5 K. Bto get-global-proportion a/ J2 [. F/ P* \2 m( Z
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
$ }/ {6 p; R1 U4 A[set global-proportion 0]& N0 H0 y( C/ t! ~3 ^
[let i 0
8 E( q5 E0 s& M, Hlet sum-money 0! J9 c0 `6 G$ V: t a) @
while[ i < people]5 @6 {: K' t- d4 Z0 X4 U
[4 s% w! t% S4 l# u" b; K
if( length (item i
" ?6 E( T3 C* {2 U0 W" k4 A( c[trade-record-all] of customer) > 3 )$ L$ |& P: |- e
[
9 n) q) _/ ^! B+ dset sum-money (sum-money + item 2(item i [trade-record-all] of myself))3 ^" d4 U/ D6 B/ _1 h, p9 L! s0 Q
]+ i/ d' n# F4 B
]
2 j4 t0 ^0 b0 klet j 0
1 g& _9 Q4 x4 ]3 I& clet note 0
+ }7 b; d5 e% V4 Jwhile[ j < people]
: W) o+ a4 Z, E1 N3 h+ Q1 X( R[
! `: ~) G6 P4 J' `4 H0 o0 H* `, Hif( length (item i4 T% i! [' a# p& W2 H
[trade-record-all] of customer) > 3 )
# H# H) i4 T: i/ m% d1 K3 x' n" A[5 @1 z0 P1 F9 |' _+ s
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
/ ^$ O5 e/ P$ m7 y4 i/ V[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
: o6 W# x0 J9 Y) ? v[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]( W4 d2 J1 x* D
]
3 M( B' ?! ~; b]& }2 l. R* ]/ j! h) P/ L+ a1 H
set global-proportion note% q5 r. F5 x6 V: s# i
]
; N1 r5 R( t1 U1 n3 u: cend- B4 f( U' K8 c+ S$ o; \0 H
( I1 E* g8 U8 ?9 B. Qto do-trade, d) y$ E, L( |, @! L' K4 H. l
;;这个过程实际上是给双方作出评价的过程
+ [) w' T: v5 C- m4 _set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
, o ~% X+ s8 l3 hset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价 n5 _( j7 F9 u2 A1 x3 U
set trade-record-current lput(timer) trade-record-current
% j. z5 f2 H; c* `5 @: D;;评价时间. j( |; E# N. N- ~, l7 _7 `
ask myself [$ ?7 I M( [' ]7 V: V
update-local-reputation
. \! h# Y5 e7 t P9 U, B0 qset trade-record-current lput([local-reputation] of myself) trade-record-current
3 ], w* Z# k5 V" L5 a. {* K8 _], Z8 b/ E8 n1 k* a" W4 i8 q) V
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself, R7 ?4 l' m# X
;;将此次交易的记录加入到trade-record-one中
( l4 X* }, x1 v/ Iset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
0 @" w. F- g; x, l0 qlet note (item 2 trade-record-current )
2 _% g, |0 \7 T# sset trade-record-current/ B5 v& y1 n/ h3 I
(replace-item 2 trade-record-current (item 3 trade-record-current))" Z* \; \9 V9 ]2 T( V
set trade-record-current% h! U) r0 {! B1 e9 s
(replace-item 3 trade-record-current note)
?7 N" Z% ^* i8 [0 N# |' L. w# {% F
; F' j- S; v, s3 K. kask customer [
$ X- r. ] L+ d) b5 u$ ]update-local-reputation
2 Y( w7 Y8 f9 F+ s, q: [5 Nset trade-record-current. K8 |- d5 g! Q
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) * Z5 k7 A9 }; ^0 D
]* E2 h& }% M! F% w/ D3 a
+ W/ i8 ~. ~" f2 E( u1 U0 C* j0 Q& B; {: ~" ]
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer: S* C- e( k6 u/ `
7 i; e1 J6 {6 b4 L2 W- E4 `5 f
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
9 t( V- t3 V7 b3 x" U2 x, o4 K;;将此次交易的记录加入到customer的trade-record-all中
, [/ i; g" h" ]+ Jend
) G& Q" y8 b# T" X( v
+ a* \: O& l! o8 w* u9 Q1 Bto update-local-reputation1 V; Y0 w7 M( C0 S$ f" G& w
set [trade-record-one-len] of myself length [trade-record-one] of myself5 }& u5 r8 t) r# e# |. g
* m+ e% T( k; y" K7 b' p* h
9 }& ]% Q' z- H;;if [trade-record-one-len] of myself > 3
" Q6 ?& u% f4 p) Y5 `- n+ wupdate-neighbor-total
; z, A" T: A$ o& s: k# c3 L;;更新邻居节点的数目,在此进行
& h0 Y6 `1 U0 ?! m5 Llet i 39 k$ h' J6 B# A# H
let sum-time 0
& i" ^9 q* [6 l! c3 m9 Qwhile[i < [trade-record-one-len] of myself] G/ o# e6 i0 ]% {0 p* k, r& o5 `; m/ ~
[0 g1 y7 g& x* G0 ]$ ` g! s. l
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )9 H: s: x* J9 G6 }9 W% q$ @
set i
; O' P! q% O( N' E, }& A% h4 @& w( h( i + 1)
% k4 i, ~. ?) @. j; w3 b6 `]
- c9 g( n. d( t3 J/ y: Nlet j 3- i$ a" {0 }0 m. B$ ^% Y
let sum-money 0! g* u* ?/ a O9 s5 T { z
while[j < [trade-record-one-len] of myself]
* t) A4 q, t# _! K# O3 F; q5 r[4 o/ R& {! K3 P y
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)
4 s7 \& {4 X; h) X0 \% G+ T% wset j! m. | t7 k' x& M* }1 [" H: A
( j + 1)+ F2 D3 `2 \1 O6 B: U/ y
]
3 M. L) x9 U. \" Clet k 3; y" J+ P. @" t1 o) O3 R
let power 0/ ?% T8 i4 [7 F2 `" ~5 v5 s/ S
let local 0
; _- z2 q3 L% hwhile [k <[trade-record-one-len] of myself]
9 G8 ]1 k. a: n- L" \! f! L5 ][5 \: k' u& u! L1 R
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) : ?: f( L1 A5 U7 E. g* T
set k (k + 1)4 D& A4 o5 Y; {. e- M8 t
]
' e' [$ N. c: B3 v# l5 rset [local-reputation] of myself (local)
% x0 D& D# w0 x, I9 ?' O: \1 pend
2 e% M, G1 V; y: c2 \5 i, V
: k+ t! j* c; v7 mto update-neighbor-total$ f, p/ P) Q7 O+ y
: P' A6 F/ _5 s; C9 R8 v
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
/ Q' y9 S6 G% m5 `+ X
" _5 e( S! k0 Z) ]) n+ X! {- ~6 n, e$ z" ?+ ^
end1 a8 \: \ M( Q2 R4 G7 l
% K I. Y G. X& ~ [to update-credibility-ijl
V. O9 i8 }, M7 ~
( M7 f# k5 N& l4 F& e1 H;;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。
. x7 H2 S* d9 ~4 K; x/ R- xlet l 0# H: ? R, Z2 K3 j3 C
while[ l < people ]5 b. @% U. W/ `! q; w% X
;;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: q- R& ~( f& W
[
# R' o3 {! b& z; m& A8 ^) [, g: blet trade-record-one-j-l-len length item l ([trade-record-all] of customer)6 Q5 D" h. V5 c0 g
if (trade-record-one-j-l-len > 3)
7 q0 T6 |& r3 u0 y- j) T4 C) F[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
( w& U: |' x( |2 u8 F+ a4 q" g- X3 i+ D/ Plet i 3
" y* ?/ \4 O; ]( O9 R$ Mlet sum-time 0
. b- ~5 U- f8 {; _1 W0 [while[i < trade-record-one-len]
' S- S. K5 X! R* M1 g) Z% r4 J2 J[: b: Y& n# ?* g. o$ m( S
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
0 K0 E& j! O- ]6 h! \8 hset i
4 c' V& ^/ A6 t1 j; K( i + 1)5 N' {- M9 o8 S2 ]& a: v
]
- A' U- e; u1 plet credibility-i-j-l 0- }- Y: b" @0 C5 U
;;i评价(j对jl的评价)% k2 c1 h: |* K: W
let j 3
% }& ^1 H N8 N9 Mlet k 4
~' w7 l2 y& E) i8 h# u, dwhile[j < trade-record-one-len]
2 m( C2 l' e. f/ Z7 W1 c$ i4 L[
/ [4 b+ O5 L e4 N2 uwhile [((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 p5 B: [3 l- q/ K: G! M4 q$ i) nset 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)' m: ]; C$ f2 s% f! _
set j& H7 b0 g8 g; y
( j + 1)" i# }7 [( e, e0 {. ], X- b
]0 ^& G2 G; ~' L$ N+ ~5 V
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 )), S* j2 U4 }& ^" j
3 ^: y0 s! u0 I% n e
! U2 O* f/ t( S! l" L* ilet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))) C; Q3 I M0 X: g. L
;;及时更新i对l的评价质量的评价
& T* b9 B5 g S( xset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]* o* `! x- T! C5 M+ y4 |+ D
set l (l + 1)
Y5 U, A& Z* L( ~1 e3 ~ S]& w. B2 p% D" g& R B) E: d
end
& m5 J# k4 g9 ^$ n1 c7 J3 n5 e2 I7 l: {* B
to update-credibility-list( J0 ]; e/ n2 Z7 ]
let i 0
9 t' w/ W* ?9 g% W3 v8 H1 q& Rwhile[i < people]
# }3 ?& d1 ?" U+ @[
/ i I- n0 M2 j: _; u, Mlet j 0
, P. V# @& I+ b* x4 b7 rlet note 0
@; |5 @; X3 D6 Ilet k 09 Z( c4 \1 w! a
;;计作出过评价的邻居节点的数目. t5 _7 N7 _% B. H
while[j < people]
9 V% O: h( H9 @0 _0 T5 d[: z0 [0 i, u* e8 @
if (item j( [credibility] of turtle (i + 1)) != -1)% ?) I& W1 ~8 F
;;判断是否给本turtle的评价质量做出过评价的节点 ~# X+ C# N. f
[set note (note + item j ([credibility]of turtle (i + 1)))
! c& ?2 k2 V' c0 k5 w;;*(exp (-(people - 2)))/(people - 2))]& A3 @ g% m2 }- e% h2 G
set k (k + 1)2 Z! Q' H. T) n! B4 k0 n' v+ n& N/ F7 R
]% R: o' V4 {9 g- k$ B; j
set j (j + 1)+ r4 W5 j- V! e% s/ g
]
! z$ {+ Y+ n' }set note (note *(exp (- (1 / k)))/ k)
* s. A' K) j2 o0 L, b% t, \set credibility-list (replace-item i credibility-list note)* M2 |/ Z0 U! C; I
set i (i + 1)3 [2 m: g% B2 C. Q
]
8 ]9 _- ?$ _$ D. a; I% vend& }& N; ^2 z) R/ J5 }4 ?
! E$ x" f5 d2 x8 @5 }
to update-global-reputation-list$ O. |7 Q# A9 A0 F6 Y6 p6 P9 c y
let j 0% }: [3 l0 w4 J+ Y/ M
while[j < people]
% z" F- B0 |9 m; Y[* j& B; `, I" f* D8 x: l
let new 0
: a6 i5 S7 J3 ]/ r8 R;;暂存新的一个全局声誉
* F/ r L9 y% m; T& j& q _3 llet i 0 S( W3 `& y9 w7 h7 ?
let sum-money 0% q$ G, P$ [$ [! [
let credibility-money 04 M% Y$ c$ H) a H5 j! w& f+ s
while [i < people]2 Y; s) h) j+ S
[
$ Z: A; U2 V6 W2 ^set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))/ `4 {/ V8 ]. f, ~
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
5 {) A7 _5 e+ |3 @7 Vset i (i + 1) R$ ~4 G, ~+ [. N3 p
]
1 t7 t2 [& C; S$ }* T. jlet k 0
2 r( a1 L2 r( zlet new1 0
( b4 N4 F+ q' n' rwhile [k < people]" y4 ]/ m. a f5 {! v8 q
[
) {, u- m, t1 K7 T$ u3 X nset 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 I5 m: J. w2 j' b6 `set k (k + 1)
; W. D) s9 k, K( e5 e6 ?. b]( J$ U" @% P8 ?; V! |2 e
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) + {5 D+ i8 [9 r4 H, Y
set global-reputation-list (replace-item j global-reputation-list new)
4 }5 m0 y0 D+ Oset j (j + 1)
6 M# r* ]7 n1 J0 t+ L' l]" [1 K+ U: o% ?9 g y* p6 p
end
" W( E+ b4 l1 r0 A7 m' N
3 [/ R) m+ U! S6 a M
: m" \! b, K5 Y9 C& Q( Z3 H4 F3 H
$ J* B7 h$ J# d ` wto get-color l0 c" o4 b- Y/ l0 A3 d: o
: ]& J) Z6 P8 s/ m7 U
set color blue
9 \/ `3 r( s" }/ A' tend
' H! A* a, [# O' v5 }3 d" q
( G* {+ N$ A" e# dto poll-class) ?4 A. J9 \3 ~7 x4 g4 J
end k- Q3 n3 [' }
9 {2 [/ J6 b. c9 z1 F8 Vto setup-plot1
+ Y! X* U0 V4 _9 l, Y" M' [
1 y" h( C- a% D! C/ I6 Qset-current-plot "Trends-of-Local-reputation"
" t" l$ O$ }8 f5 p, j7 I, ?5 v- b! P$ N W" I2 Y( @
set-plot-x-range 0 xmax! I& y ?2 t$ y7 h) b k% M
! W* Q* s; g e) q( n \set-plot-y-range 0.0 ymax8 s7 W) k' {' j! J0 T
end: a% W1 M- J1 z( V5 I
* k' x# T7 `! t b( q- T
to setup-plot2; q4 p7 l, v7 d* B
. { [+ g e# X5 [! a- Gset-current-plot "Trends-of-global-reputation"- M# O7 i$ Y5 A; w6 M" k j
: I4 d/ z/ O$ G, ` jset-plot-x-range 0 xmax
* I) @" z5 R {6 |1 ]1 x4 U% B5 {1 ~
set-plot-y-range 0.0 ymax6 v! F" K3 Y( L" E
end
/ C) F9 @ s% A5 V# Z! |, h
$ `) I4 L( B8 R8 O3 wto setup-plot32 ~7 o) X z- R8 X. g
7 @' b" m, J+ H0 ?3 c4 s2 y
set-current-plot "Trends-of-credibility" k$ I, t2 ]' s
* i$ X- q. g# I6 y* `7 ?' n2 Sset-plot-x-range 0 xmax! n: X2 K6 X. l
G& R" ^# R3 G0 P
set-plot-y-range 0.0 ymax7 q2 p- a) A/ S* j. x; i
end
; b# R; C2 t# K. b) ~# J n: P" i1 Q
( L0 Q- o+ n# B+ M a# Mto do-plots
: z) j2 ]8 l# ]. r& I/ Sset-current-plot "Trends-of-Local-reputation"6 J* b/ z5 X8 W/ S0 |5 ^# y
set-current-plot-pen "Honest service"9 P! Y' u1 m3 j* g6 N9 V; X
end- q9 E6 R9 ^7 G& `9 [, B
: }6 P2 g- l% |8 i' g4 @[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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