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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
2 @) \7 w9 L; ?2 r1 m, Pglobals[
- y3 Y0 Y v- K1 ?! Sxmax& V: U$ k4 x6 M' W, |
ymax6 J/ \% x/ E- y+ Z+ R/ |) l' v& |
global-reputation-list2 q0 f! {' C9 i& f2 A* q0 _
) g9 c( t, F, X9 `/ K; u/ ~
;;每一个turtle的全局声誉都存在此LIST中5 f! A9 g. ~ V+ ?/ {4 K4 q4 w1 T
credibility-list% ?6 Y1 Q0 a m3 y5 l
;;每一个turtle的评价可信度7 K8 R0 G" x. T7 \$ `4 O
honest-service
9 b3 m% M/ s R6 m' o( V+ p* runhonest-service0 n9 Q5 E! b0 S
oscillation& J: h2 V6 E4 s+ [' W
rand-dynamic4 `4 D6 X- f6 L" K$ P+ J
]
9 H6 i! \' a! Z; a2 Y+ B
. Y* r8 J8 ~" k' |turtles-own[, u9 S2 _. A3 K) @$ S' J
trade-record-all- N% |+ w: _; U; R' T0 }+ J
;;a list of lists,由trade-record-one组成) J+ S' M% m% q U- _
trade-record-one
: ^- o3 B& Q7 L+ y+ Z1 t;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
e9 a- w0 e% T8 j6 \# i0 R2 J
2 \; b0 F7 m6 o: R9 H$ c; h;;[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]]
# K8 {" `! q% mtrade-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]
0 R- r6 ?# Z: Zcredibility-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
s1 }5 D- i& Qneighbor-total* Q( ~0 ]/ X" H! B9 V
;;记录该turtle的邻居节点的数目& Z+ t7 S2 e0 i) C& V
trade-time8 v0 E+ [2 n% x' ~
;;当前发生交易的turtle的交易时间
) H( l4 ~/ l. h& Rappraise-give1 {0 O& B& p. y2 E( ^: Q
;;当前发生交易时给出的评价
: ] B. V% c8 G/ k9 O u8 A4 Oappraise-receive
" n; v6 a2 I# G;;当前发生交易时收到的评价
: c- F' ~4 H& v1 u6 b' S1 P! O, Gappraise-time1 d4 P% E% y& ]5 }/ r$ C" h! E
;;当前发生交易时的评价时间: a: g; m* z% _6 c9 r$ t& F! c
local-reputation-now;;此次交易后相对于对方turtle的局部声誉, ^4 q* u0 H g. V+ U4 _+ z- ?# z9 m& o
trade-times-total
4 e5 |$ Y0 \0 J A;;与当前turtle的交易总次数
2 D6 Z }2 F& s' v ]$ i- ltrade-money-total
]. r# O6 {2 C+ }' I;;与当前turtle的交易总金额) t& V" y0 T8 @1 o1 h. j- p# \
local-reputation
5 @$ T: N3 x* E' Fglobal-reputation
0 @- ?! A( d& P8 R' [+ kcredibility
4 w2 T: t6 M, z;;评价可信度,每次交易后都需要更新
+ F$ [$ n$ w2 z- o1 ]$ Ucredibility-all
& K/ T% z' G. e! C' L6 o;;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, H w% }- F7 q. b. p/ o
# ?9 i1 o6 A7 _0 i
;;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% b# D# u) [9 W. ~. N& [8 v
credibility-one
3 D* _1 A4 a( F% q* N, ~;;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
$ E1 W2 B4 X2 Z3 tglobal-proportion; ]* J( |& z" ]# E: x+ }4 ?
customer
* |7 d2 t$ z! O: dcustomer-no
2 \! A) c* H/ Z' ^* Qtrust-ok
( {4 K; s; @3 t, C: O- ltrade-record-one-len;;trade-record-one的长度4 `8 A! p# ^( i6 s
]
; ^* L2 o) Z3 ~6 a! T' k5 s& K9 V# q0 j$ O1 z+ l1 v; L1 G
;;setup procedure5 n! ]; @) n' k9 Q: @, u9 F3 R
6 M- d. `# U5 Z
to setup
2 L* T; J2 v* Q4 }) b3 Q$ c. f/ f& B( m
ca
$ v$ Z: m! x, a- t" t* @/ y
& u5 C, N( Y, H7 q) K% _# ^initialize-settings
" n5 ]% x, L" f+ r0 i
; v$ w* E. M# u s. @ x* e5 i icrt people [setup-turtles]/ x4 D+ e& r" x
' R0 [8 x% A+ K& l+ U( i% Preset-timer
: Z1 h% @5 \! f$ m; o- z! }8 T: T
poll-class0 T. c2 s( L- `; n' n
) ~1 p2 l; j- I, ]
setup-plots
7 m3 ^6 K0 y, W$ C$ L! P, e- P- X
. Z/ L& Z! P* }& ?do-plots
- i% e7 j: L- c9 e0 B }9 nend) w* Y. Z& f5 a( C" ]& k/ O
+ C1 L. U4 p/ C! \; Z4 Vto initialize-settings7 A( u3 v" X# F8 }/ ^ O0 w0 y/ o
5 u( i$ }, G/ @4 T% @ ~6 e; Iset global-reputation-list []% k c; |: a4 I' e; S% q( h' F
0 v9 L7 m( l8 r6 n' m
set credibility-list n-values people [0.5]
" c" W. J9 m3 ?; \; X5 V) F+ G- f; ~
set honest-service 0* m. `4 M J8 B+ n }$ _; S
; Q9 r8 j( N. q; k0 A
set unhonest-service 0" k+ h& n: N$ T- J
* e2 V* o y. R4 W& Gset oscillation 0
( B: b9 Q1 L4 }& r, H% z% e6 j- P! z3 m3 B' d' G! u& f
set rand-dynamic 0
7 r$ S8 u- W% D) s* S( j$ Fend+ d! G. v9 c( b9 ]" O
* ~: l/ M! t- B4 a4 T
to setup-turtles % _5 J ~. R/ o. q* ~
set shape "person"
& Y3 Q0 P" I& ?# k* F' c3 Ssetxy random-xcor random-ycor
! c% m6 P; y$ R/ E* C' }# uset trade-record-one []# ?# E0 A8 j$ ^) i k% I7 R5 w+ S
0 r( y* p& k) p& q. uset trade-record-all n-values people [(list (? + 1) 0 0)] / v6 ~8 S7 ?2 W. q/ n6 h
! {- z) O X" aset trade-record-current []0 k) n1 Z! H5 Q
set credibility-receive []' R" v2 }" @ }# y/ ^
set local-reputation 0.5
$ o' ?' n* c* R% T+ qset neighbor-total 03 J$ }- G; f2 O( {2 v
set trade-times-total 06 \+ ]. s7 X+ a6 _' |. a: V
set trade-money-total 0$ F2 O& j% M6 I6 S
set customer nobody
- h L/ V W: P sset credibility-all n-values people [creat-credibility]0 D; o7 b, V; t
set credibility n-values people [-1]1 B$ K3 ?3 M/ V* y5 k. S% D0 x
get-color
4 w' ^4 v* h; T, j& e
% @9 s" E6 b" P7 v3 ^7 Jend
/ g" |- H5 g5 y. |+ P( s
3 F6 P/ l" S# \% Oto-report creat-credibility
- F/ n$ |3 \0 ]5 Freport n-values people [0.5]
3 H5 t' B9 p8 ^/ V3 ]; vend
/ h, R# I3 f$ Q. R
# _* x3 {% }/ k; Q# s; Gto setup-plots
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set xmax 30' D, V2 h$ ?) M
' f7 n" K2 d7 }( |4 x/ o2 W; C; qset ymax 1.0
8 X5 c5 q) _9 j9 U k1 J q& h
$ }5 g/ I9 V) Q& w# l/ Yclear-all-plots& i0 q, j8 y# Z8 G& r9 w% ]& _
0 q3 X0 z! X5 b/ I" Y5 s
setup-plot1
% g) M8 u6 [2 h+ K+ r1 ]* z7 K$ ~* c: H
setup-plot21 I" k1 ^ s" q2 Y3 q
( X E/ d5 v$ v2 {4 @( }, e' K- z2 osetup-plot3
, _1 s2 h7 y) G1 E, H* lend
! @6 U1 {$ x# q4 Z/ e6 i& k8 I4 W) q' ]9 w3 } J
;;run time procedures7 }/ U) z* p# f/ t8 c9 w
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to go, x$ I5 k$ t; z R8 f% p. v* w
6 [# h% c m* S& Task turtles [do-business]
/ M0 y( x" v' Z; b# B& F6 \end- p t1 e0 d2 m& q6 \
0 Y$ t/ g. @# N$ z
to do-business
$ D4 [7 Z$ L; I4 Y
( v, H3 _) w: O" q- B0 {* q- Z0 i" i% Q5 P; Q
rt random 360! R9 i1 [& }" z0 ?) u. |6 W
" I& u( P c! F4 R% O4 H' J0 `fd 1
5 M6 W6 p: P2 v# V2 q+ H
# ]5 L9 B' p' l5 ^# F8 ^& [& F: Iifelse(other turtles-here != nobody)[
5 {. P2 e) ?" }+ y9 o9 i& x( T2 H5 s" k
* Y7 ^# L; l* ^! vset customer one-of other turtles-here* U: {5 d; n" k" \9 m
% A0 G8 L3 q [
;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1): ?6 m6 |. f+ Z, P: V2 [- Z
[trade-record-all]of self
- V6 \6 Y3 a# O2 w$ U;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
: J& t' b0 ?: ^8 x% L4 d ~
D( Z A! S! X0 ^: S% L. H( f& Bset [trade-record-one] of customer item (([who] of self) - 1)$ u& z5 S5 v( { { { t
[trade-record-all]of customer: x* q" I. q; a0 x, }/ M) k
' Q3 w) M" {# m1 Fset [trade-record-one-len] of self length [trade-record-one] of self* {: w5 T9 H* h* x3 h+ D1 C
2 P# n4 Z. i+ s3 b9 Kset trade-record-current( list (timer) (random money-upper-limit))
; O* a! j3 n% r( W) _1 x; B9 u9 q
ask self [do-trust]
' {5 _7 t' v* \. f;;先求i对j的信任度
* U" [ R3 r* f
$ u C; p9 h: J' `5 N( W0 Y: Xif ([trust-ok] of self)
% i0 G- Q: B9 x2 W+ L7 H( G;;根据i对j的信任度来决定是否与j进行交易[
6 w9 O: G$ B* t/ S# ?6 Kask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself+ d% R! U. `# p3 l7 U" M
6 L3 H/ `/ t6 o[
, f: n% ?5 h7 h X+ `; _: i( r% `! a5 M
do-trade
) Q$ I/ V: _9 [, d% E8 N; G& x
4 K2 H# S' i* ?$ Vupdate-credibility-ijl
`. h# |- A. l! R* ]* v j- ?: z3 ]& c' I7 f/ `$ ]* O( ~
update-credibility-list
- u& `! Q" b- ^3 Y- ] Z$ k0 K9 {1 n
% a8 N- W& [3 A% u. e3 y
update-global-reputation-list
L4 T( {1 j- C: w: I
6 Q0 R0 K4 `9 epoll-class
$ c( Z' q2 k& T& p9 u2 D, ?; _9 z% G" j$ v
get-color
# u. _4 p5 x. K6 ]4 |: m" m5 S
+ {/ y# F% u1 W]]0 L; [# B% |& Q6 Y: E& I
% ]3 L( R3 d- J9 O; z! O: @;;如果所得的信任度满足条件,则进行交易" [2 G' R3 ?. T' u
" A9 s+ A% C+ {) t
[
& Z6 `* h F' | Y+ e
9 N) a# ~( ^- |+ |: e2 `3 grt random 360$ l# v. ] j/ a6 r- y- X7 k
% D1 ?5 C3 V1 n3 Y2 ^
fd 1
! b- _0 r* l0 a0 J6 d/ t" i6 O7 `& E$ p+ z
]# E: y# z- ]9 k2 ~! N; S# b' M
% n6 a" \ _4 S2 G- G+ ^
end! A$ r R' s' B6 U8 D
, x9 n: \' k( dto do-trust
4 Z$ E+ t8 C G, ~& _set trust-ok False. Q5 l, A4 }1 x2 O
: |, g8 j# G7 [5 p( t
/ U O# x7 P2 `8 z8 B8 O! }
let max-trade-times 0+ _# d0 L j% e0 b
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
7 h3 l$ ?! L5 ?$ P1 Zlet max-trade-money 0
! F) |) `! q3 K. v2 @3 {foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]3 C7 R5 \1 w9 j' n9 o/ Y- j
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))) p* C" k, ?) D' n& L
9 ~" [* P3 d8 M; a
1 z) O5 J0 t V! k, D+ `0 n" aget-global-proportion
8 ?4 _9 ^, I1 F+ w$ Y2 Olet trust-value |0 l% w- t$ b5 q l
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)& O6 b" c! g/ r* h o2 j
if(trust-value > trade-trust-value)& P$ R. L$ z# }) \' t# \2 v6 P! d
[set trust-ok true]
% E, [0 C9 {( H( v2 I$ c2 D! Y9 uend
& B: z! N, m! |% M- {
) C; y Z, ^2 h. a0 s7 ^to get-global-proportion) j; N: K s3 U6 `" q
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)% A; W1 h) F9 @2 z
[set global-proportion 0]
5 U+ m8 Z5 O% U' z% R! ]3 d) t, |[let i 0: l. ]. h( Y$ \& Q' r/ n
let sum-money 0 ]1 D; M- |% k6 W1 r( u% N
while[ i < people]
, r8 t4 g5 i) C5 q- r. H. w- x[0 E, n1 `: q; Z+ L/ g
if( length (item i
: S6 Q* b; `; |5 C* [[trade-record-all] of customer) > 3 )
5 y5 ?' Z+ L, H! X: n4 ?[, V9 _9 q n1 u1 j0 f
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
2 S+ ^0 v8 b# ]4 Q- P" N4 @]
- ?( j9 _. Q7 `, G2 j& Y) `: r]
* t0 ?- L' I* d3 \$ {let j 01 l8 [6 v# g7 b& s# d! e6 N
let note 0' |; p# K$ ~1 Y4 ]) S5 ^2 v
while[ j < people]' e4 [6 B1 N( Q
[' F) @$ U0 J$ Q7 [, a l* _
if( length (item i" k# ~1 L6 ~ p0 p4 F. g
[trade-record-all] of customer) > 3 )" Z* J H3 B* ?- `- y7 c- s0 `0 |
[& Q* `; B& c6 V! B" d
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
: n2 o. a( Y8 }) ][set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
* E8 \' v6 r0 J/ a9 N& O5 d[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]* L4 D- [# F5 U/ N% h
]: E. f! o* d$ R4 u$ Z, h2 a
]8 L: E, e F5 B3 n0 A$ L
set global-proportion note+ S" r, y9 c g8 I
]: ^, g, f" Y; Y8 F6 y
end4 u' O% }' E g* q+ a
2 E- Q" i1 E* @: ?, o
to do-trade4 Y; ~4 T+ l, l8 {* c& S! j# _
;;这个过程实际上是给双方作出评价的过程$ d) Y+ G* V( _
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价/ K% h2 c6 E% r$ ?
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
" G# r: t- b3 Vset trade-record-current lput(timer) trade-record-current
& n& C$ P! z2 c# [' H0 R/ { C;;评价时间6 F; |; \* j" s3 m, l
ask myself [9 H' A+ y7 I: h# S9 i
update-local-reputation
& }( Q% P# n9 ^; M6 }, S, eset trade-record-current lput([local-reputation] of myself) trade-record-current
; Y- F7 p1 ?" Q" p3 B]+ [' i) s; l. ~/ K+ I
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
+ E1 ]" V5 `, M# \4 X/ f;;将此次交易的记录加入到trade-record-one中& D+ X6 X L9 e# G3 J N
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)4 o7 c# @1 k3 x$ t/ |8 f5 F
let note (item 2 trade-record-current )
$ Q: K# H( Q3 A8 F8 Aset trade-record-current7 S, ]( S! o1 a
(replace-item 2 trade-record-current (item 3 trade-record-current)) q# z( J: g7 L4 R
set trade-record-current7 Y8 f6 \( O4 Z* Y8 g y4 I' Z. N' A
(replace-item 3 trade-record-current note)
$ [, K! y8 |. H4 k) u* y+ ^1 R& H, _8 }; P; L3 }( u
% ?: Q: B% p/ ~; w* Wask customer [
" a) v) Q: Z" q5 zupdate-local-reputation) d, _+ y7 J, X6 [' P
set trade-record-current9 ], b0 R5 x" G R( O; Q# l* i
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
" o% K$ M! l6 \) r0 t6 o]8 k4 n7 L+ v1 v b3 b
; [1 {) \ ?+ M# q: A. @; u+ s3 D D" M6 `; O8 h7 B5 l/ C7 N
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer) K. E4 d# {9 o0 T2 w) n
1 f+ x& o3 U- |; wset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))% {0 p* Q) A/ o6 Z3 U
;;将此次交易的记录加入到customer的trade-record-all中
m( [$ \6 b4 i* n1 a/ p+ P: Mend3 G b, y$ x; Q
3 g& O& x( c" b$ j4 N4 q8 k+ N
to update-local-reputation
5 f9 J/ S, R. q9 H, O, `set [trade-record-one-len] of myself length [trade-record-one] of myself
7 }/ v( \; x( U: {4 D1 @6 A6 S( x0 I! G7 W( u0 ]) h
3 z# i1 q) o- S0 x/ h# M [, ]- I;;if [trade-record-one-len] of myself > 3 ; Y& d6 ]" V* }! f) H( O; x
update-neighbor-total# g, e$ K. }- {) r& y- z
;;更新邻居节点的数目,在此进行
1 x+ y2 I$ S( m% N5 \& o" qlet i 3
. K$ A! `4 _/ ]4 N |let sum-time 0
# b0 ?2 q% d3 l" B. X+ @: ?while[i < [trade-record-one-len] of myself], ~) D. q2 `% N- l
[
+ q' R( [9 n) [set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )0 w6 J( F3 m6 u1 x6 }$ d
set i
" k1 B6 S& b! w- E$ P( i + 1)8 U# |( z' u& T+ Y, s4 l6 Q4 `
]
/ c! y- @" j5 e* z6 [+ }$ U" a% ylet j 3
2 V1 [% [0 @2 {+ E5 c. [. @let sum-money 0
+ W2 N! H; |0 E/ Gwhile[j < [trade-record-one-len] of myself]
5 y* }. a4 E7 G% C2 A[
% }, G2 n+ S v- l. S" H* fset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
. O8 Y" X2 U- h4 H0 oset j
% j0 F" } R# q) n: P1 C X6 m( j + 1)& u2 ^" n2 c% O4 e% U% q
]6 T4 h/ j, o5 u K5 T
let k 38 `5 G( D/ c/ u! [
let power 06 m$ H7 d- \) G9 }% G k
let local 0+ c" T/ J" r3 u; w
while [k <[trade-record-one-len] of myself]
5 L5 l5 t9 Q4 a1 m% H7 |: c[1 m/ ]& U8 l* v: V+ k5 }8 u
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) # ^5 R+ G6 c! Z& s+ E' n" S
set k (k + 1)
: k. T/ {# e( \1 c% \, m]
$ k" M0 D+ \0 d+ p% ]# h9 O: D* `set [local-reputation] of myself (local)2 h& [# [7 H4 a+ W) {* b* T/ c9 W
end
% z, D& g/ E6 l0 {: J) j6 q, c5 Z& r2 M
to update-neighbor-total
& D8 C2 N/ s/ P# N7 u1 A- j# G9 p0 l- b
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
3 K! u4 j1 ?; D2 X2 ^ y
, m+ F5 D+ {) V% e
- d9 C5 ]# \* tend) R" I; C4 W# V" ^
' i) S, S! l( D! c4 p- n* ^. u5 Rto update-credibility-ijl " b4 F: V7 x1 y8 ?7 P6 H) ~
8 T9 f4 p0 q* u
;;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。! S U+ Z! M- f7 E' I
let l 0
; t0 m- c1 \- e; p) t3 `0 S* fwhile[ l < people ]( b: t- [4 o; V. W/ e+ D
;;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9 k" C* |1 M6 x" g$ o( L
[0 Q; @0 _# j! z% H0 X1 b
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)% b) ?: E8 C# _7 l5 v0 c: Z3 O
if (trade-record-one-j-l-len > 3)" k2 [0 U8 z$ n/ s
[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
/ Q/ S- T, ^$ N2 B6 flet i 31 _" F. X( y, b
let sum-time 0/ v7 N( j. @ Y: `: I
while[i < trade-record-one-len]
# D k- x3 g2 U* X" p t8 K[
- f5 R @& J3 Z# _+ Wset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )- j# _$ e& P/ I+ W/ h F7 V. P/ S, ]
set i
( X- Q; @0 {: I( i + 1)
7 |, ?0 X: c8 j+ ]# N]( l/ }9 m& H1 O9 A% k$ @3 ^
let credibility-i-j-l 0( P7 O. W, M! B F: W
;;i评价(j对jl的评价)0 x: r" i3 C; M1 d# ~
let j 3 Z1 F7 k" s" k2 ~' ~
let k 4) k) ` t) h6 I% {+ q
while[j < trade-record-one-len]
7 K, `& u! ]' ]6 `& I6 c4 g Z[
7 k" M9 n: R, C$ t; A. c8 [4 Awhile [((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* t3 d' K( v/ O/ g5 d& 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)
$ E) b& L2 c7 K9 W) _1 Mset j+ u m7 [) Q- R1 B, r
( j + 1)! n- {8 b3 a7 V2 V' u
]
% t6 {3 A$ D' C5 u/ F Uset [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 ))
, [+ |$ j0 u: z8 a4 z% f7 m6 e: p/ u5 y3 ]7 {2 t: K4 A
5 V1 T, K# S8 F b4 {+ zlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
! L7 L- ?& Q1 R' b @6 f;;及时更新i对l的评价质量的评价 I. n* L: U$ v2 V' m* T
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]3 z" a% S! N, t3 c) u
set l (l + 1)% O5 Y, {8 ]: g+ k) I
]# b( h( X4 y" T1 F# w3 y1 ?
end5 `0 U/ T! ^) @) ?2 H( M' [
, @ l, M+ W( @- w! Y6 s2 \( K
to update-credibility-list
+ q% S6 _ u* |( P) Y0 `: Hlet i 0
% ^2 W4 Y5 x; z+ v+ Cwhile[i < people]9 p8 t3 ?" y8 j4 A; H
[- k) q; s8 o, t% N$ B u
let j 0" F9 x3 E+ @3 V9 N0 }8 Q( E
let note 0
- C: t Q8 z* I Q, flet k 0
* z ?3 R1 H- f6 Y* q) B8 @- K0 ~;;计作出过评价的邻居节点的数目) z v" ~1 v$ `$ C( {- n- Z" z
while[j < people]
; @+ S3 I& ?( P. ~, t% H[+ E) D) t. `: ~; d$ V* c
if (item j( [credibility] of turtle (i + 1)) != -1): i4 W; j3 u# \$ o8 i
;;判断是否给本turtle的评价质量做出过评价的节点
r" k1 T ?' B2 G6 T[set note (note + item j ([credibility]of turtle (i + 1))) w* Q6 L$ q- c. F9 U6 w
;;*(exp (-(people - 2)))/(people - 2))]' `: x/ y0 q$ C/ w* C" Q6 i; L
set k (k + 1); Z+ u8 x% Y& f" f0 D" F4 X" K+ D9 i
]- F; @" S4 U8 m2 h/ I4 {
set j (j + 1) U* B# | ?& n. |' @
]% C8 j& M. L! w( l0 e
set note (note *(exp (- (1 / k)))/ k)8 q" c3 M% J0 L
set credibility-list (replace-item i credibility-list note)' K0 z8 l7 C1 [4 Q
set i (i + 1)5 M( N) z3 _# O% P& l' N
]
6 z! _/ s( N" U" [' o5 ^7 j3 ^end* I' u; `8 o ]
: x6 l& F" q/ @! \7 J9 {% r4 j2 B
to update-global-reputation-list- X5 h) N9 f8 e6 I$ o3 f
let j 0
$ j2 L. U! @! X8 P( I8 W: W }3 R0 qwhile[j < people] ~0 D; O2 X& B4 ^$ H* u9 n
[
; Q+ w0 n/ D. d6 U; s3 N6 ~let new 0
" ~9 A& k, g6 C! R;;暂存新的一个全局声誉
Q K2 X; o& C) Q9 Q" mlet i 0
5 |0 f5 L! t9 Z; c& v+ Clet sum-money 0% F. y; q- Z1 p2 g! Z# @$ v K
let credibility-money 0
8 T, ?% L5 q0 j+ ~while [i < people]
$ g9 V7 O' [9 y/ [) N[
/ B4 W1 @! l6 T( r& Y" aset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
8 ?8 B# o6 b0 T8 Y) D" `6 \set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
# l% w' F. D1 Y# G* C, Gset i (i + 1)
3 C( o0 Q, ^1 D% V k; Y7 {]3 C7 W- b& r% q8 w3 n* H
let k 0/ u! G7 O) K1 K# K- p1 z, [
let new1 04 @- q; |% l+ [: d1 X; c
while [k < people]
7 F3 W; M6 v O. L6 m4 ` e) t[
/ ?. v+ L* W* g; n3 [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)1 n4 I! V3 m- J, \* J: j
set k (k + 1)
3 Y6 k# V. t5 R7 s]% E, b# E# B! }( O5 {
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
2 |' ^- j W1 V: q Tset global-reputation-list (replace-item j global-reputation-list new)
/ | O/ Y4 M$ K: [set j (j + 1)
$ B: |' h, h. z6 w# ?9 [. @ l3 |3 H]
7 D6 @& @7 \4 L( J* N0 q6 i3 bend
6 j& ?$ }$ n8 F8 c( R& D4 U" @9 r# s, r1 z1 S& j& R$ I
/ Q4 \; K' g/ J4 m; Z8 X
4 ^+ ?* S& K! B1 Lto get-color/ d# N4 G* v& a" A
& z. _: n) `3 O5 ]' C* ^
set color blue' I* k ?4 Y) h( k5 K: c2 ]
end6 C9 p/ O) |5 j2 m
8 R2 p5 t8 E/ C* a
to poll-class; r# `4 b9 L$ r2 p, l, P; L, X; f
end
6 g6 E1 r2 i% H! C) |5 ~; r
0 _5 v3 i& [( c2 ^, Dto setup-plot1
$ L* [. l$ J5 A+ A* L$ D- B1 |+ F0 R7 X2 T) J, m0 e& W$ U, G6 K1 P
set-current-plot "Trends-of-Local-reputation"
! C E3 {0 I! o2 c2 Q' q3 K6 I2 ?; }
set-plot-x-range 0 xmax$ J# ^3 P" I7 f( j* U2 D8 b
" }# c, \ I9 s: M6 Q# zset-plot-y-range 0.0 ymax' J: h& Z- v( O5 @1 f9 r1 n: L" A
end5 c7 _! k1 c/ P7 I8 I
* A# }3 {3 x2 N! a, n8 ~" e
to setup-plot2
; G3 `, p4 P# L( M2 k7 U1 c7 W i% i
set-current-plot "Trends-of-global-reputation"
; f5 J8 i+ F; X% r: v
4 H3 U# D9 t$ Uset-plot-x-range 0 xmax
8 D9 l v( b9 b7 f: K V/ }( p
set-plot-y-range 0.0 ymax
( [, ]% j" @' rend
; G$ z, F& Q8 e0 ]! \
3 t# q* I" W" \1 `' D- S* Cto setup-plot3
6 Q! `6 Y: H: \2 E) A6 y3 @+ O& d, W3 n2 P9 x. |
set-current-plot "Trends-of-credibility"
# X6 \: J( s% ~* G- _
- m1 \6 f! _4 g: E2 mset-plot-x-range 0 xmax
- T; Q/ k6 w5 _) I o; M4 D3 p
* _6 t3 Q7 L2 y. f1 y+ Q' _set-plot-y-range 0.0 ymax
: W$ o$ k, Y$ F# G" Uend8 U8 o2 z2 b; M% _5 L4 W
" o _8 r% u0 `6 s+ P, y
to do-plots
+ S* Z. c! V5 N, ^set-current-plot "Trends-of-Local-reputation". y- ?) b- z( o7 k( g# b: u
set-current-plot-pen "Honest service"
! g: w0 ?4 x6 s! J9 Cend
B# y( e- x/ s4 N3 [/ ^/ i
! j; @: k+ K+ h4 f[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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