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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
I1 p% j& D2 F# N$ y/ yglobals[5 P/ [- C; W* y7 J6 B
xmax; F# M3 ^, \9 C k; y& W; K
ymax0 Q2 b, ~/ }: e
global-reputation-list
2 U; y2 d ^) J0 i0 }: K4 J6 s' {* J* K
;;每一个turtle的全局声誉都存在此LIST中* f. y- e4 f; H6 |# l
credibility-list* R9 v5 {- o" W* J) k
;;每一个turtle的评价可信度
+ i0 ^4 b0 O! a$ O5 o1 qhonest-service% m2 `& \. ^) a. ~
unhonest-service: Y+ H5 K, Q8 o1 V. v9 I, D0 U. H
oscillation
' ?9 r4 P; q' P, \+ Irand-dynamic- E8 y H1 `4 o. h7 k- r
]
& ?: L# f; ~, K Q% w3 i0 E [
% w8 t- d: h6 uturtles-own[1 N' W# ]6 c4 g
trade-record-all
* K7 ]# w+ S5 Z3 d, a. v;;a list of lists,由trade-record-one组成0 J) O" g6 R$ l1 R
trade-record-one' [ {: d$ X9 L4 [1 v
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
4 r, |) y( O( H3 I
; R8 m q L$ i+ G: P1 O;;[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]]
# `' z0 c! ^* x" ^, d0 wtrade-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]' H; w( H' {7 b: D( K
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! B* U0 ~3 e; ]9 t
neighbor-total! t8 H& q, ]7 D9 X6 m6 `
;;记录该turtle的邻居节点的数目
* a& e/ p# }, T9 T' N& ptrade-time
. W" {. O4 [, h! a0 P) |5 B L;;当前发生交易的turtle的交易时间
0 @9 v$ M1 G6 uappraise-give$ ]2 _: E' o- O" F
;;当前发生交易时给出的评价& c9 L8 ]$ w( L/ q. V- g( Q3 e
appraise-receive `: Q+ O* S+ j x, Z& I; g
;;当前发生交易时收到的评价
2 h1 \/ k( z# s2 K1 _* V; yappraise-time
) v% [0 ~9 E. @1 I; [' v;;当前发生交易时的评价时间8 r. |8 ]3 E1 [5 R1 ~' s3 I _
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
( i- n4 j5 P! Q3 ^; k: Ltrade-times-total
, Z: ]7 {# s; P* u# [) ]/ E1 H;;与当前turtle的交易总次数, |( Y2 C. I. n' a' L
trade-money-total
* d- j& X* I9 ?1 B1 k;;与当前turtle的交易总金额
1 p6 [4 c) _+ j/ Mlocal-reputation0 ^9 V# u: v# f3 N0 r/ U) \
global-reputation8 O0 ~ ^& U7 _3 l* [( J9 a- [
credibility) h1 D8 P% a/ T& y7 \9 S2 W1 g
;;评价可信度,每次交易后都需要更新$ t$ |5 V3 E: _4 {$ a6 U% c
credibility-all
& U, o* f2 h/ ^;;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' c+ ^# v1 e. \! o- Q. E- s
) i2 O! w% c) T N, p: ~& J9 \% |
;;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0.55 G3 `1 U& e, _+ M+ H
credibility-one
* z! Y# |$ X2 s& W;;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
' i5 @; r# Z- B# ]global-proportion
6 i; [( A7 m5 I2 Acustomer1 h6 p% |# t3 n4 x+ I$ S6 _ }: |
customer-no
, W0 H2 P: ?! D. ^5 Utrust-ok
+ m8 s) K4 {+ @5 A3 t" t" _trade-record-one-len;;trade-record-one的长度
" s2 i, G0 V" _: }) _' t& b3 K' w]; [% f' f) q, V& O
1 [, a" j* [5 E' U* A5 b4 Z5 s;;setup procedure( [; ?; w/ x( e1 A, P. M
) E/ G! y) \( p
to setup
8 y5 F3 R( b- [# e! h$ s' S6 K$ B+ L* G
! y r5 i0 }$ J0 p1 L8 W+ f( zca
~$ t4 r- v% ?8 L7 b" u4 x6 b' ]6 }
8 q' P+ C5 O; s# F/ Minitialize-settings
( \/ f+ ?* o5 a" D' O$ P- c5 J/ m' q% p% a+ i3 `
crt people [setup-turtles]# E. @& ^, ~5 r4 U: z
& `* |2 ~ w( S: L2 ?9 Areset-timer
) P6 |" n* W' V" l, t# d2 w1 S6 k: B
poll-class0 `4 P" s/ A0 S/ Q
5 D/ j6 w1 |) i% h7 `9 {
setup-plots
3 V3 H5 w: y/ k9 N* ?
8 f7 K- K! C' x1 g5 tdo-plots1 E* j5 ]9 F$ v% ?
end) i% M- n: x: s' x& B
! D" k! c: o% j
to initialize-settings
|" K; h4 z. k2 O/ }5 b3 M1 ~0 ]. H5 ?+ ~
set global-reputation-list []
; R. C8 x; X7 n: ~, f4 a
: x4 g( S0 P/ X9 bset credibility-list n-values people [0.5]0 f \$ e9 Y0 T5 a4 G: v. ]/ H
) |) {& P5 o* K4 W# @; d( xset honest-service 0
0 f, l& Z _8 s% o, x; G, \
E/ d3 j1 Z: s8 fset unhonest-service 0' M+ F4 q$ j7 W% Y6 ^" k) q
- e! s& H: Y8 ~- S$ J( \set oscillation 0
9 W2 l. d6 Q3 I) I& ]3 x9 E* a$ c( k( [, X
set rand-dynamic 0. J8 j, H/ a7 p# r# u
end/ e1 y: o8 b y! Y1 N; @9 [3 L
% v+ I; W8 f8 j) nto setup-turtles
% v( }. |1 w3 ?7 Y$ _set shape "person"
- b# T5 L) b# msetxy random-xcor random-ycor
2 X1 w& ~1 v. Tset trade-record-one []8 j, T3 P+ R X2 C" Y
- I& U/ i$ R1 {4 Q' v& U9 V
set trade-record-all n-values people [(list (? + 1) 0 0)]
# \# g( _# `1 S. ^* X, z* [7 {) X
* d6 W( \4 C2 [0 @: c. q( yset trade-record-current []
4 Z, D2 E v+ N/ f! b9 }- }2 u$ q$ eset credibility-receive []
n( j* n5 A* N; F9 C" ^set local-reputation 0.5" F5 u) V2 K E- }
set neighbor-total 0( r9 ?, A2 T) T# j5 H
set trade-times-total 0' e/ N0 b8 I, v) ]2 B" ?$ d
set trade-money-total 0 b4 y) y5 c! g% g
set customer nobody
& o& T) e5 u E) @& [set credibility-all n-values people [creat-credibility]
( T: S* o: h5 Z" u1 h$ _- G# iset credibility n-values people [-1]
- f K0 m& m" Z# ^' Eget-color& i, ?8 q- Q6 q% C5 e/ ~
1 I+ w7 V$ M7 Vend
6 Y% _: e4 n8 Q9 U; U
3 t* H# l( N8 K) x. }( oto-report creat-credibility2 ?3 ?9 J. B- g$ N0 u
report n-values people [0.5]: D) J C( K/ {$ W1 o% t
end
1 |; w0 f. M$ K3 B* n/ y( G5 s* ]
4 ]9 {1 v9 t/ i! R) j+ q4 vto setup-plots# \0 C! v- c! g( R, p1 v; ?
! a/ P8 c9 P# D- G
set xmax 30) x% M! O; h6 M/ j0 h
$ G& v) b/ k: s s
set ymax 1.0- ~3 X" t- D6 \9 W; s
$ @" k: D) h0 e
clear-all-plots/ G6 {$ Z# X3 F
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setup-plot10 s: J7 j V* V4 X. L
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setup-plot2
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3 G, G0 J3 Q7 T$ g+ Fsetup-plot3* v) C" g) j1 S: ?: g
end
, r* ?+ m4 s! Z, y" U; b5 n+ g3 Q: x0 b6 h% x+ B
;;run time procedures2 z7 Y2 }- v7 }4 g% k- V5 f/ t. _
% ?* \( K8 S$ p/ t1 X0 G @to go
) y& D( j$ ]& H/ i/ \0 Y% w0 U& M& C0 {; M. m6 h$ ?% |: X
ask turtles [do-business]
7 U1 S) m% C6 O* O/ b; }+ O! |0 [end
. w8 h; {: U. q6 ~' Z! q5 s) D. U% W9 e, _
to do-business ; Q- O* d1 y7 T4 p. j& |% e9 c; Y
0 o% B6 x( B3 H1 x+ \/ d
0 d! J7 T/ }3 Qrt random 360
& ^2 ^" J N; q+ K* s: {9 [7 C" Q! Z7 t+ {1 z: l* W- C
fd 1
# L( T; `) w4 _2 v5 ^* \
' a; D$ x# y# w2 P5 pifelse(other turtles-here != nobody)[7 c$ s+ K& C/ g( `
! V1 Q/ a4 M8 A' e# O1 U; hset customer one-of other turtles-here, p0 ?/ U' G0 K9 f) F
! N" }7 q% f% }- y; M! A3 m
;; set [customer] of customer myself
; @2 z& J' X r7 F
- Y3 i/ i4 F; }- g9 y0 zset [trade-record-one] of self item (([who] of customer) - 1)" X% q$ c$ v' k8 p( n
[trade-record-all]of self
|4 X; Q. n! j: V;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
0 m. W' v, m; P6 Q" v) t0 q4 G( R0 v3 r* A* W a/ u! w0 U x
set [trade-record-one] of customer item (([who] of self) - 1)$ ?, s8 ~3 |+ W, }
[trade-record-all]of customer
0 g: l r* h# ^/ N
( k- b* Z) J/ _6 y, g! wset [trade-record-one-len] of self length [trade-record-one] of self
, {7 j: r( ~ T( R V8 `4 U) C& ^1 G4 O* w6 X# C
set trade-record-current( list (timer) (random money-upper-limit))
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ask self [do-trust]! v, u6 p8 E. [7 c8 @: x
;;先求i对j的信任度
' I) ], u5 G7 J5 \6 V7 i
9 ]3 J ^: W0 p7 u6 C6 W/ Zif ([trust-ok] of self)0 ^- o: ]' X) C$ U1 \
;;根据i对j的信任度来决定是否与j进行交易[4 |6 b& ?. J3 A
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
; |3 H" l! `# p/ h$ I% t" a1 {' ?7 p6 H2 h. j8 o
[% {# `9 B: ^- A" |1 w) ?
; F, q3 c# |/ J. q. \6 `* D5 i6 vdo-trade6 w7 H. b! [; |! S% p7 `" i! z
7 d, G1 K6 i6 k; I/ u4 H/ a9 J
update-credibility-ijl" E0 J: N5 C2 S- h9 N4 o$ s' C
$ T& x2 U- o; _8 g) i0 eupdate-credibility-list2 y/ f! _5 K+ l8 j; c# [, z% W3 F
/ C* k3 G1 G" U' W3 I- |9 e1 t8 L* F
update-global-reputation-list
) S, J4 e1 ?! @% K+ M( d2 j* Q* ?4 q3 c& }
poll-class. @. X$ ^" p! L% K+ V" |
. x: l1 p+ K: C
get-color
2 Q2 i/ [* V6 {" `6 H) K8 ^! y, r. K9 t' a) z, o: o$ I& C9 o: g
]] J) J1 E) P5 a+ x$ k h2 d
. S2 O- l$ K6 {7 B7 A" F* A5 U
;;如果所得的信任度满足条件,则进行交易
! e P/ D+ i( M0 l* K' `' _6 D. x; z) @* K) ? |. r
[0 Z/ R, n3 x, e# t+ J9 Y: Q. r
" v; u6 T `0 p2 a( `8 ort random 3604 A9 [' d% |! O- {/ ^3 ] Q6 w
( j$ ~+ W( B" R$ a$ v* g
fd 1
8 J. s/ f) k8 w" P5 L( b- y# H3 P6 K/ y& Q
]9 D! Q6 {3 {+ B/ m# K; o+ p/ i
$ f( c8 I: T; P1 [% ~- e7 n
end
7 \) d' Q% P& d% A4 p N6 q. {) k" c; i. t. V% e) c+ U
to do-trust $ s* W2 x7 D% p& A( T7 i$ C, l7 A* c0 H! d
set trust-ok False
+ N% D0 [# C( Y9 ?! s; r; S) C: {" G5 O4 e% ^( E! @
+ X: J; q) i/ L
let max-trade-times 09 }& t8 d$ D/ X' O( B
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]2 S$ l) r* n' f; }* y/ H1 M' y
let max-trade-money 0
% o0 c; b! D% E) L+ l7 iforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
, b) F% P& E4 }* l- j3 S8 ~5 ^let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
* e# ]; k: H; M& B2 s
2 y) O. N5 [& q3 C3 I( z) R) \( s) t2 U9 u$ Z& w4 C, E, h
get-global-proportion
E& `$ k8 c6 O; ^; ?7 X' llet trust-value
0 t! y8 B1 q! T, [% x4 Rlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
9 C- d5 J. x' k v+ W$ }if(trust-value > trade-trust-value)% [1 E) Z5 j9 J9 E1 L, Y* a
[set trust-ok true]
+ F' h- o8 t( ^: }" S1 G( @end/ Q& l) t5 R) j3 f$ h, v
/ a( @) ^$ ^' f/ o8 xto get-global-proportion
) {- y+ Q, r" K" H0 y6 Xifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)9 i$ p8 c3 O: {1 I" g
[set global-proportion 0]+ m2 [0 A( u( Y8 E& _7 U( P
[let i 0
! ]$ B5 S7 g6 b; m/ e" clet sum-money 0/ Q8 U* N; y2 G' M. C4 g
while[ i < people]' Z+ v. l$ D% ]* a) a/ ^# N! l
[, x: }0 m; |( g5 ^) D2 I
if( length (item i& Z! ~8 F! D0 {1 N( R, o* i
[trade-record-all] of customer) > 3 )
! h8 \6 t6 Z( J7 g: X; K M# x[
: Q" d; ]4 b: C, B& \8 Sset sum-money (sum-money + item 2(item i [trade-record-all] of myself))& B# T ?( y- { y4 |0 b9 d
]
% \1 ]2 C) r" Z& G0 p( l]$ V' v: X/ A: y$ @: {2 g
let j 07 T% b+ [9 z6 `, s) K3 R, T, L2 g
let note 0 ]9 _. J. ? |5 o( k- q( Z9 B: z
while[ j < people]
# F2 ]& N; ]$ N[
9 U: ]8 c* R7 _; z8 A9 _9 |" u0 Wif( length (item i
1 C' @0 J! d+ W8 |; A% P/ j# n/ f" z9 p[trade-record-all] of customer) > 3 )
& O, C% n- H/ `: w[
& |) x2 X* K0 |5 N4 ~ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
& c* U U: H2 a& K( _: `[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)] Y! e% x1 U% D, h1 }* N
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]. r6 ~* g" R: H1 x
]
% \ r/ Q+ m, h2 ]]
* X% C) K t0 n" Z& Y* Yset global-proportion note
/ M [0 x: ]2 S]8 l5 {( z# E8 e+ }2 T; H6 R
end
& Q( r# Q) J8 G$ q8 l& }2 R9 u! [1 y# a3 \' C' k' R
to do-trade! O! \: K( j6 x! Y" r( ]0 C9 t3 `
;;这个过程实际上是给双方作出评价的过程7 a# R: A' |" g; t3 C
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
. q! M# L. X2 d$ e; Q8 gset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价/ c3 v0 `- S0 Z" o% [' U( K
set trade-record-current lput(timer) trade-record-current6 M/ o1 L! E3 m; C: ^
;;评价时间- Z" N3 N% {) w/ ^8 s% P
ask myself [
d. t* d8 |& }4 A! D& Gupdate-local-reputation
. u3 A) r. U' ^/ P& O3 p, Uset trade-record-current lput([local-reputation] of myself) trade-record-current
. p2 K; ^) u# }* B* y, x: R, N]
3 F8 @& i2 @$ H; Vset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
* t7 g) d. d8 h! Y: X9 S3 E;;将此次交易的记录加入到trade-record-one中
; f* u9 G4 x1 h9 \, y3 Vset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
9 K4 d" O/ [0 ^: vlet note (item 2 trade-record-current )4 _% ]* L* E) }$ R" J
set trade-record-current
! s$ s& h# \+ Q7 d2 O, {(replace-item 2 trade-record-current (item 3 trade-record-current))" \5 J5 n- }' a* g0 @. L$ e
set trade-record-current+ L5 B5 m2 D2 |2 c3 t
(replace-item 3 trade-record-current note)" j, _- ?* o# @7 c! g& T
8 d* V8 @" U3 g; w
7 t1 C7 x7 M7 M0 ]. G3 R6 T1 d" m2 sask customer [
# S, A6 J# [. n* e! \update-local-reputation# g6 K( [3 y+ D S! f+ K9 b
set trade-record-current) x+ m. k5 e5 D3 b* w( n: K
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
+ x/ Y3 F, F( z( ~4 N; H], `+ d, Q( u+ Q- e% r7 C! ]
' d9 p+ I0 x4 @
2 Y* t. M1 N4 Z. T$ c% P1 ~set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
" D. x! C: V( C
- p& x+ X. x9 f+ B0 \ ?( Vset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
& e6 a" y( g3 \% {3 O;;将此次交易的记录加入到customer的trade-record-all中2 a3 u6 I, N# j$ n
end- N) ^/ ?, a: [ v4 x# j- w
4 d7 w+ z9 B2 K/ Z3 q& }
to update-local-reputation
7 w& J$ ^$ d( g$ b2 p7 s. Xset [trade-record-one-len] of myself length [trade-record-one] of myself
) }. t8 ~- P2 }6 [6 Y% V( Y7 V9 |8 L. D' k( y
# Q, c4 P3 _. B' x9 l: \, k0 z;;if [trade-record-one-len] of myself > 3 ( f* l2 o# X4 d6 q3 t
update-neighbor-total$ a' Y' f" X, e0 P( i
;;更新邻居节点的数目,在此进行/ W; P8 o4 s& r& x$ r9 v4 i- s, c9 H
let i 3; e; O' x1 j8 _ O
let sum-time 0/ r% d( J& o. o9 k$ f0 y4 C V
while[i < [trade-record-one-len] of myself]
: e9 _& o( m0 D; R[7 s& ~7 a; ]$ W, W4 L+ _: p
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ). C' m6 [% ~2 c7 j; y
set i
. z1 u2 Q9 I: W( i + 1)' I% L6 y! ~6 ]2 ] t1 I* K1 g
]
3 Z" J7 Y/ y- Mlet j 33 L4 @1 R* u/ S6 J/ A0 }
let sum-money 0
* o$ C! y! M |6 y( Awhile[j < [trade-record-one-len] of myself]& _, `, g. ^+ R8 p. x9 D
[+ F+ u& [2 h7 i( p- L% `' D9 e0 L; i* X
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). C+ T) c9 w4 Z' S* l# x6 N& O
set j. }0 r" G) o0 s' C7 q
( j + 1)
, \' E0 L/ H8 }& G# h6 e7 c]7 Z* C7 b* O+ L
let k 3! ?9 @3 C3 ]) p! B3 y
let power 0
. q- j) D, a+ qlet local 0: s' H* r# q y$ _) M- \
while [k <[trade-record-one-len] of myself]! a- v% Z7 u f) Z
[
, ~# [+ x4 p8 E$ p" Fset 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)
- N) e3 O* K" U4 _/ i' \set k (k + 1); q; t6 X) B1 ^/ d4 ? k7 x0 Z
]
! K( o8 n: |. cset [local-reputation] of myself (local)% V0 n. J: ~ |$ Z4 V; A/ u% \
end% d+ Q2 a) W4 F/ P
8 C3 p% G5 y: n( u8 n3 |; S) ~
to update-neighbor-total! i0 z6 [/ e/ P" a3 P; Y2 Q7 [7 i; M
$ e% [* O" D/ i7 k/ U2 y
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
p' w- h! L+ ?8 h# h7 s0 x1 b
+ ]$ u/ z2 e) _2 u1 G
7 V! ~8 D; W$ ^" Z3 C, hend
4 U/ g% f: {1 T
3 ~# D! }$ o! _5 wto update-credibility-ijl ; {/ n* H. C3 L2 S
; [; S8 w4 m) b7 O# o- u8 H6 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。
1 g/ Q/ c. j+ y9 dlet l 0% s# A& z1 P( D! h8 e
while[ l < people ]) s- v! x& @8 j% I" `
;;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
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)" `; B$ R8 D0 a$ M3 U) i; k
if (trade-record-one-j-l-len > 3)8 Z9 R A2 O+ i( a& P5 y* V( @
[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
, h Y( _( v0 p3 |7 U4 s) f. ?6 L/ Mlet i 3
! M- t: s9 [2 q- P) d; ilet sum-time 0
; x* t2 v! D1 ^: i7 \" Pwhile[i < trade-record-one-len]2 L. l5 A, R6 y$ p0 S/ q0 o
[
* {+ b# U& O2 X7 sset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )- e7 ^( h* l) A# q
set i
2 F7 F/ K0 l, X+ t l$ F% W/ m( i + 1)5 V+ d! u# ~0 m$ h- }* Y
]2 n6 E; C' ~" U8 A- _) v# F$ D& }. L
let credibility-i-j-l 0- i; \" ~5 E' j$ x4 M8 E5 G
;;i评价(j对jl的评价)
9 r7 @4 Q$ v, n. e) z3 E! ^$ Plet j 3. U) Z+ G* o: L) ?
let k 4: z# g! V; V& {2 m$ P& j6 j
while[j < trade-record-one-len]
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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( y& E3 ^6 R( q$ g& g
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)
" S+ F2 O0 _* K- t& Q X' s8 jset j+ [5 E! }4 F' ]3 F( g0 b4 v5 i. }8 b
( j + 1)
. @4 e! k+ ]- I0 ?& j7 s]6 g; c- @/ R* B0 e! I" ~
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 ))' ]9 }2 O3 \% \
' c' f9 B& ~# `4 a6 Q9 ?" V& J" d8 _% b0 }
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))' Z$ n) c, F$ y9 f' r5 |1 E
;;及时更新i对l的评价质量的评价& o. E9 W) J( X* o
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
# ~- E% ]7 k/ K5 O$ x p) uset l (l + 1)
7 e1 r) z! m. Y6 [# a]( e2 N8 G8 \& K
end
$ i9 ?9 S# E* q
& K0 Y+ ^: E5 H5 S lto update-credibility-list
5 U$ y, j( z1 K$ blet i 0) c1 j& I0 a2 \- j
while[i < people]! ^6 ^7 p7 x1 G1 w# L: l! C- E
[, g0 l/ V+ Q8 l
let j 0
0 V2 ^% Q& F4 G4 l) i4 E5 flet note 0
- L$ L- ]8 z. U4 G$ n' b6 Nlet k 0& t4 Q# A, n( d1 E* W0 T% U
;;计作出过评价的邻居节点的数目 W& }0 t1 b8 n
while[j < people]* `& b$ T1 o- u; J! s+ C
[
% q& `# m1 _/ V2 m3 T" t' D/ Z Z2 cif (item j( [credibility] of turtle (i + 1)) != -1)
2 |8 c. v4 P+ d! U3 C;;判断是否给本turtle的评价质量做出过评价的节点
/ G$ e! ~. A1 D+ t% F6 L3 |[set note (note + item j ([credibility]of turtle (i + 1)))
6 J: O" U% q9 f' j;;*(exp (-(people - 2)))/(people - 2))]: w$ M# y) y) B5 l
set k (k + 1)6 \4 h; ]8 o/ _) @
]2 _" n, x! l# P
set j (j + 1): g c: D, a0 Q$ |1 I
]
8 W6 R" T8 E' A4 F7 cset note (note *(exp (- (1 / k)))/ k)- T- I& P. z$ {2 C( I" P' S
set credibility-list (replace-item i credibility-list note), A3 ^% b2 `- D3 m
set i (i + 1)/ R4 D7 o7 j4 J i8 i
]
$ J+ h' F9 U; J# F7 {* p! l3 N& {$ Wend
g4 Y/ M1 X: ]8 j) m2 m- j9 w
! a1 h! `5 {0 cto update-global-reputation-list
/ v: R5 {" A3 A; ^! Plet j 0" @ g- @ C* d) q6 W1 {" S
while[j < people]
5 N/ f7 x5 q0 a: B5 @ n[
; [: O2 C$ j/ P% nlet new 0
9 q8 _' N& w% }( x" {) j;;暂存新的一个全局声誉
. T1 K( F) M' V* _: Hlet i 09 v5 a0 O4 F$ \. S* \
let sum-money 0/ ~ X8 [( P8 l3 d, U, s
let credibility-money 04 K0 j" k8 x1 g) R* Q
while [i < people]
4 X& T3 J2 i, M- W! w( C1 E4 Z5 i[) a" q$ s' Z8 r* `
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
d U7 M" ^4 `; Rset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
) U+ V- ^) w4 h) I8 F% A/ Pset i (i + 1)* T+ [& W6 z" Z$ k
]* m6 b; o- S( ^$ t+ ?/ _" J
let k 0; b) u- K W( ^
let new1 0
# s0 S- k4 w& b( D m% [/ u+ `& hwhile [k < people]& N+ ?: E( L) k4 e6 K
[
$ Z0 {5 f- g, N8 D* `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)- p+ n- x# c9 f$ _9 x4 X( A5 j
set k (k + 1)" @- d; K3 F. |2 q2 n+ A& A5 F
]) `4 g9 L! k; e: ^* p% k
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) % H Y/ ?. e$ r2 e& y9 w! u
set global-reputation-list (replace-item j global-reputation-list new)' Z/ K0 C! i- x$ M1 r6 {( F3 p
set j (j + 1)
) a! @. Z* c& b& Q% r5 c/ I# J7 H]
. E8 r0 x) ~0 p6 m$ ~4 `8 pend B: q( o% Q7 [( {
2 L3 l" T4 O4 o' f* E
2 I! N3 U* i5 ]- w: C5 d
! N# I' v$ p4 M1 nto get-color
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$ M( _9 f" k: g- `/ o2 wset color blue
c6 d7 V8 H! ~) zend& b- S& s$ j) w* [- r: Y5 q
" E1 A1 B( _! @/ F
to poll-class
- k3 {$ E3 k. m4 p1 ]* z6 m' @end8 Y/ V+ p& t; g. }' o4 H. U: E/ e
, `- U( J# W, K9 s7 _+ Oto setup-plot1
/ s; r8 t. K$ H; _: J5 }0 A' L$ \
; d' p/ a1 B a5 Kset-current-plot "Trends-of-Local-reputation"
% B: B+ Z- o6 V! z: \. e8 y/ w, H& L
set-plot-x-range 0 xmax: y& u% }$ I4 U0 H3 b1 l
% N+ _0 o/ Q8 E( i
set-plot-y-range 0.0 ymax& T0 k5 t: m, O6 t) d: z/ J8 I5 S
end
- U6 Z2 D( j( J4 J/ J% ~4 ~ X! w% E1 @
to setup-plot2. S! d+ D7 R$ M* }. ]) h" i
7 L& k( P2 n; D0 ]8 G% I
set-current-plot "Trends-of-global-reputation"
3 \! g$ J. B1 W3 w, a
! A+ M) U' \/ n9 @set-plot-x-range 0 xmax
$ I: O! _( W# N/ B; c9 P8 _# m6 O! s6 C9 X
set-plot-y-range 0.0 ymax' c! ?* W0 a6 [# a. U4 P
end
& ?6 l+ O* a9 F* L* S3 I& m/ |) h; S+ P$ E3 S
to setup-plot3+ K% f) B; H6 K) y- T {- ?' a
" @- T: i2 F, ~set-current-plot "Trends-of-credibility"' Z# E5 O$ M; E/ D; T1 i
# L. D: T6 j5 w) s& G* Y# Aset-plot-x-range 0 xmax G7 M: Z9 Q3 b$ I, a9 W
; |; h% ^, m' a" A) u, _
set-plot-y-range 0.0 ymax
! l' f- [* |) ~/ Gend0 t- L7 p8 W7 |/ ?0 g) Y
" h9 N" I$ a' f, U2 F
to do-plots% d" D9 n/ E# p# k& ^9 p
set-current-plot "Trends-of-Local-reputation"* b( h! l0 Z* Y! p- m7 O
set-current-plot-pen "Honest service"% L. _3 J( L- p9 _9 v4 d' ~$ z/ C
end
+ w3 P. H* b4 J3 k/ \6 ~# X' n1 u5 N+ ^& I5 F
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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