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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 I! J4 L4 b7 e1 l# w) y
globals[
j, K9 T9 e/ L! A- q: axmax
`4 f$ h& Q: D. Iymax
. w, N& s, U( p3 aglobal-reputation-list
$ \ m L9 ?0 D6 f, G' a: Q' N: |. i; w8 y, O% m/ u" T9 W
;;每一个turtle的全局声誉都存在此LIST中
$ M# l e. C. i$ {, D2 ~/ t7 ]* K2 Ocredibility-list
) b' h* [' i! C* T4 x;;每一个turtle的评价可信度
2 r3 L$ a7 [8 Q6 A( l' \& Y1 ~3 lhonest-service9 x9 K! d' O' {3 C |, V
unhonest-service4 G0 D2 p3 }8 |
oscillation
. T t2 c ?# c# ~rand-dynamic
' ?+ C7 h0 \+ Z# a]
9 `& a" |5 |/ W2 q" K% @1 H, @3 y$ d2 g. S# |. \9 |# `
turtles-own[
" U7 C$ I K; r% K' _9 M- T( ^trade-record-all
( E0 h! N/ v- k;;a list of lists,由trade-record-one组成' d9 Z8 |8 X: v% S7 z
trade-record-one
7 }% s7 i2 G' \$ I8 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7 u2 n' [2 N. m1 O8 r6 ~ T4 }
& d' V' z: t7 k$ ~) E& ~;;[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]]
0 T# t0 i/ p: M) `# _6 z/ Y# c9 Ytrade-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]# G- |' k4 N6 i5 {; r
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list9 q, J% d/ ^6 C+ C9 Y8 v- M
neighbor-total
0 j0 ?/ n2 @; D( M2 E5 i/ |: h. [;;记录该turtle的邻居节点的数目- C7 i8 ~ Z: G/ M1 @" _" P2 c
trade-time9 v8 V# u* g8 K8 N* s
;;当前发生交易的turtle的交易时间
5 l, n; n+ l, O3 b1 |4 Q. cappraise-give
+ m# n4 D. u: }) ^1 ~;;当前发生交易时给出的评价
- W1 s, \. ^* `+ Jappraise-receive9 Z2 H6 ^: t( Q) r; o) c
;;当前发生交易时收到的评价
* P1 M4 j4 B _ I7 k! cappraise-time
& a$ ?& ^8 `: q, t- x" i;;当前发生交易时的评价时间% ` u- X* W( U% _# v# X1 x
local-reputation-now;;此次交易后相对于对方turtle的局部声誉7 d! W/ g5 |* D) j
trade-times-total
" w0 `" x$ s! \4 b) H2 `6 R;;与当前turtle的交易总次数
0 X w# g! Q: k: [! y0 W9 Etrade-money-total/ m3 \$ w7 a9 K: T$ a* O
;;与当前turtle的交易总金额% h5 n& c- E. {* f0 r9 F) x4 ]. ~
local-reputation
. Y* @" Q6 ^- } ^global-reputation8 m) O! O S, t" ?7 W4 h
credibility3 v; l( n5 S: z. z; _
;;评价可信度,每次交易后都需要更新
Q& N8 P- i$ o& a" Lcredibility-all
/ b4 j0 B% z1 F: k% `" _) C;;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; J: v) Y! T1 Q- u1 a9 X
1 i. k7 F4 ^# G# 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
# Q1 d+ G$ j) ^, m# O& P$ {credibility-one. m1 A/ b- w. u4 X3 D
;;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
# h m( H: @5 C8 E% t! [global-proportion
Q- \9 i( {: l, J$ Tcustomer
0 m+ ?* o2 I7 s2 D8 j: Ecustomer-no
. h; C$ S0 j& S7 [4 d( V% Jtrust-ok. V0 c2 W" I0 R7 r
trade-record-one-len;;trade-record-one的长度
" D4 X8 P% B* J0 F]7 z2 H- I+ t& ^: @- L+ I1 o1 B
- _8 @0 n- J& b1 t
;;setup procedure0 ?% M( D1 j: y7 W
D8 s2 P, m8 qto setup
: K$ g: b. t$ D) K. a+ v; W$ N% b. w
6 q8 j% G, [) T7 _ca
# P& a8 W" l! l# T+ ?2 l: p7 x. u; B3 h3 s* h) ]
initialize-settings+ r- K1 d# _& J Y% Z
4 a1 ~" H0 w' K# v; R5 V% Hcrt people [setup-turtles]# R$ _0 y& l! }7 Q
0 S3 g' X+ M# Freset-timer( y% ]9 W( s- Z1 _! I! a& u
6 c. u- ?: P/ E) |" I7 S$ Npoll-class
2 w; ^8 M! a8 x& i/ ?9 w: X: y. u- [4 a8 J4 J; I8 h( d
setup-plots5 |" |, w2 D/ `/ E3 R8 d0 |
' F+ z. h- m4 k* B- d( R2 |# ^
do-plots' |9 M/ |3 n8 ?- m5 \
end m7 e9 X+ B) e" D0 U# T: f% K h
; ?6 {5 p1 o; W+ {! d/ }& D1 |to initialize-settings6 B5 `; ?9 E* N& O5 p; Y& x
, Q6 l/ j( y# p, C* R' g/ w! Q! ?set global-reputation-list []
8 {& H3 }+ K8 |* V& {3 L
3 e1 X7 W o0 F: K: v8 \4 Hset credibility-list n-values people [0.5]; ]6 ]- N8 G4 I- \% ^
5 h3 ] T' \) g9 [4 Q) Z
set honest-service 0" y4 C/ b4 g2 y6 m$ S0 _* D
# H. G/ d( ?( L6 Z! C
set unhonest-service 0
2 A6 v1 w1 e$ @3 Y* j* M- d7 Z
$ B' K2 |% u0 s. P6 Q1 {; B# y2 @set oscillation 0
' A1 r0 `) G8 X. S9 w/ g$ J2 m6 M' T ?9 _: Y4 i& C: U
set rand-dynamic 0
N; J7 ~: s5 v% u7 U( Aend$ u4 W% t( f2 _7 d f9 g' r% a2 Q4 a* a
+ \- ^5 K, Q' {# vto setup-turtles
% E( B6 F! ?. q5 s- f7 lset shape "person"
( } L* ^- p3 `; c0 R4 k! dsetxy random-xcor random-ycor) S# k1 M6 l. Y" F( ~, K( `: S
set trade-record-one []. e$ V# N3 Y3 o; z$ b% m
9 f* o; Q) ?5 u" ^set trade-record-all n-values people [(list (? + 1) 0 0)] . I! ] j% A* e( f
9 B1 L+ o! m, f
set trade-record-current []
) ]3 b. Z* L e8 m4 g% eset credibility-receive []
- c6 J$ Q3 W$ }set local-reputation 0.5. A& ~2 a( \! z2 @
set neighbor-total 0
, ]( [! J% }* w8 cset trade-times-total 0; a! K" w" `& l9 e
set trade-money-total 0+ f2 i. U5 I: r& u7 g; t c) g6 Z8 d9 C2 E
set customer nobody$ W: b' D9 c8 T W/ u7 V
set credibility-all n-values people [creat-credibility]. Z' d/ c& D6 o# b5 x" H8 k
set credibility n-values people [-1]
/ B8 W+ M+ h$ hget-color9 i$ s5 e9 o+ x- Q% l
% P# }' G- {+ V4 d3 Pend# I: [% ?. @$ {' J$ e x5 O" F( K% ]
( T0 U" X, R E* xto-report creat-credibility* c% y' I) @& T' E6 K# @* K
report n-values people [0.5]
- N5 g z5 c% B; h* |) wend
0 |, Y% U1 N# W K6 f' k& v1 U; B3 f8 l; N6 U
to setup-plots
3 _3 X8 _# r% G: |& F
* i1 r% ], F0 H- b% }set xmax 30$ {: I/ K; l6 d3 v: G/ D
" N6 k( L, g+ n7 B: W' N5 w
set ymax 1.0' u) {8 Z0 v# G# K7 o; W
: V! o* e6 l: A e, ^6 J2 [$ Iclear-all-plots
) d# g% O8 D/ c( E8 f/ n9 L9 _, o [; R, O
setup-plot1
$ L7 H3 V# a) e+ y
" P0 a. ]9 u/ Z8 ]* Psetup-plot2, ]' r, K7 H% _7 f/ U0 R4 a
) b; [3 T' M" o6 n7 H7 X
setup-plot3
' o7 E8 r/ D- c1 c/ Uend. X: m1 {" q' N1 b
; c* D# `4 r! g4 g' B;;run time procedures+ l/ } ]) [, @4 ^! V
2 F1 f6 n6 f/ Jto go
4 F+ `- k: B( D$ [$ u3 w/ j8 Z
! ~6 h$ _! M5 X6 u7 B5 Sask turtles [do-business]
4 B6 E6 S) g$ \( s* Lend
! E- j2 g2 ~1 Q# A; X! J; G( J$ k t: p j/ Y& H6 L
to do-business ; ?, S! Z! A! {1 [8 D
1 N+ D% Z* D9 Q [- a" C* V
9 o, s7 i+ L5 X3 \8 i, L `# k F
rt random 360
! ^5 y( h2 X& Q( Y; {: O& p* |. _, Z
* s3 B7 Y' ]) I3 H3 z$ X. Y8 |8 D* O6 i% afd 1
n1 q8 c$ E5 ^& A( K2 l/ j3 L J% X Z8 A- P; k/ r$ v
ifelse(other turtles-here != nobody)[
7 S2 H3 o; H* z: H8 `( z
4 _2 L5 Q) `) d% r3 Nset customer one-of other turtles-here
9 r, Y$ k2 l% `5 c: Y* L1 W- X4 M9 S+ A# v- ^6 N: ^7 x8 ]" h+ j: p: J
;; set [customer] of customer myself
# J2 G& V/ n& I8 T& F% o/ L7 e5 Q, D3 w [7 H* F
set [trade-record-one] of self item (([who] of customer) - 1)
% z( E- E* r5 O' {" O6 |- i$ k5 H[trade-record-all]of self$ l# b! E, x1 p% ]0 _! s b* o
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
]) d, K. J2 q' p( M( _/ J5 H4 c# L6 o, A1 e
set [trade-record-one] of customer item (([who] of self) - 1)
6 Z6 |: }4 G% L1 n6 T[trade-record-all]of customer" {' t, ]. Z2 C$ e% W
: E9 b6 T9 C( d! a# ^, C
set [trade-record-one-len] of self length [trade-record-one] of self
. U( G; V# E9 U J
+ x3 X, v1 P; y$ S6 b. r) O4 ?; [set trade-record-current( list (timer) (random money-upper-limit))
! w* J; K( o2 E: Q2 W! d6 O5 A! y7 B& b( s/ j; s& y6 n! m+ Q
ask self [do-trust]5 n! y& H4 U- h) y3 c6 z g: `
;;先求i对j的信任度
1 ]: O" k7 x+ h4 }8 B% C' `
8 s m, _1 p( z) E) Z- S, U1 Fif ([trust-ok] of self)
- r# ~0 \( R& O1 B, ~. N$ @0 E;;根据i对j的信任度来决定是否与j进行交易[
) G: j0 t' `5 Xask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself) P% C5 `9 H% N9 n, l" j5 ^
' F! l0 {0 s' Q" S( k
[- A; v9 }2 j* w% j: h
1 _2 n9 w" N6 t5 P/ G0 Q. Ddo-trade
5 W5 g6 `& X" D5 R$ h8 G5 h0 N* O8 y. M8 Z' Q/ w. l
update-credibility-ijl
% v" n* X: b" I/ y0 ` t3 f7 B: w4 K3 r" d
update-credibility-list$ L F5 u' z& G O; D9 S, Q2 c/ z
- X# B2 K; Q+ i R" H
: j7 T. A/ |" l) ~# g- i; @+ M/ P
update-global-reputation-list
+ I# h. F$ l; F* }& ^+ u4 r4 ~! ~' [! l! e& y: F
poll-class6 O0 w/ N2 J) Y5 }1 I W
8 S/ D" B3 e* w- Sget-color
' l1 \9 K$ r0 R2 M
% G. X H9 s& i( f]]' e, d, u! W" f9 J: s9 C
8 s# ?0 K% X# z6 x! k;;如果所得的信任度满足条件,则进行交易
$ T! \: j- d0 @ o$ C5 _/ l L' w6 w9 \7 T! U. Y/ y4 o
[
s9 R8 X2 Y- K9 ~4 o. l9 a8 l* n" R2 ^% v
rt random 360
; f2 m7 y n2 {3 ~; v, M, K: K& I
' d( O4 |9 Z( T# U: r P8 Gfd 1( B5 V: L5 j- X5 f1 k
- l( o `8 J0 |& W+ ]* n]
$ r3 t U2 @" g0 b" q/ u- V. z9 {1 u. ]0 |' @/ x' ?
end& i: \( H2 @2 V4 a9 k5 f
, @( v7 y7 v- Y6 ]+ W- d: n( g
to do-trust ) `9 _+ L3 p2 P, b
set trust-ok False6 J4 Y) R. G; F! K4 p+ [, U" n6 k
4 x. e" ?0 t" c4 C, h% p2 H- p! x) D1 g; {. O$ G# x
let max-trade-times 0
0 m# |7 b/ {( |6 T" Eforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]2 u/ Q1 E$ Z& c. d
let max-trade-money 0# ^! V' v2 Q: U0 S$ z
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
0 S+ Y8 p1 ^# {, [' t8 dlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))# X6 h3 ?! B# u$ N- l9 }; E/ d8 N
/ A# H; K4 M/ H" J' g
) S3 @, _! l% D$ Z1 `2 y
get-global-proportion
. K$ f% @2 N* Q/ g1 A% G+ Xlet trust-value
8 ?8 e) B6 {5 j. G0 }8 c8 P5 Ylocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)% }( h9 S) t( ?, R# |$ c
if(trust-value > trade-trust-value)% [- U2 T, Q+ J7 }" i! W! _. i
[set trust-ok true]) R/ y5 A& Q |
end
) q6 F5 \. S5 |3 J2 W
% h$ E% G* n+ Bto get-global-proportion( w+ J2 i$ l- g
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)1 s* E7 b. e& w9 h: s2 q
[set global-proportion 0]
) ]3 e0 o. @9 W8 @( J[let i 0. e9 Y0 O) h( k+ f" f$ l! u% O
let sum-money 04 V% d& U+ P& ~/ n! i- r: N0 X
while[ i < people]5 M3 h% n9 B" _
[
$ [5 j* }" u$ ]9 Z5 }) _9 u1 a2 I$ vif( length (item i
9 {7 M/ {6 L# Q5 q4 Y+ ?/ ^6 U[trade-record-all] of customer) > 3 )1 D3 g- c- J1 ?3 y9 _6 t# ~
[) B* F$ {7 J; ~! F' c8 Z: g' o. \
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
3 J) v4 \$ [. X]
4 D& U* M' ~" ^# a: ~9 ]3 j5 z$ \]* K7 n( j) v: o( u+ e; }, p
let j 0
- u1 f* j2 b1 ?- q, ^" {3 Slet note 0
; q3 z8 `( e: `9 t5 a0 |6 iwhile[ j < people]! x3 G1 f3 \# Y2 a1 [/ y7 F( l
[* m6 n$ R2 }' t9 w, U9 c
if( length (item i
; ^2 q- F: H* e* D! c[trade-record-all] of customer) > 3 )
3 f8 F# v$ {# W2 t[
* @ l4 v% V0 O5 S" \' g6 d- p* aifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
0 b7 `* h) B, G" ^& E" ]" E[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]; S+ ^" z/ u. w) o; R8 ]
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
; e" k5 S1 Y4 p( N]& @9 \1 B; T, e
], F) W0 A. L! r) u, v- l6 {
set global-proportion note, [: Y1 N0 T- F/ |1 G. T( o
]' N) H1 P V a0 m
end$ f) O. }9 @2 B2 r7 V( d
4 g! {5 E7 X0 z* W' U: p5 x' c
to do-trade/ H. I, z* V+ E0 g+ o9 |
;;这个过程实际上是给双方作出评价的过程
' k0 z+ n, a" n$ {3 a4 D& ~set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价1 k& f# W8 ?$ u% b/ F0 ^
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
. o- [! `# w3 I# z8 T8 ?set trade-record-current lput(timer) trade-record-current$ Q b* \1 K) l: f" J* J* D
;;评价时间
8 i# W( T: B% c# W2 l# Zask myself [
/ L* I; m4 |5 Wupdate-local-reputation
9 L8 }7 q% x2 c4 ^% lset trade-record-current lput([local-reputation] of myself) trade-record-current
" i' ?+ D$ @0 g0 V+ R]7 I8 s6 G$ W+ w! y# v- c: d9 r/ s Q
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
I8 z; |/ T2 [( t! V G- G;;将此次交易的记录加入到trade-record-one中8 H4 _3 b( k% l. N: V
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
( H A* B3 S# F2 Q- b/ N* d5 }let note (item 2 trade-record-current )
# V8 F1 e& E/ o6 m, Rset trade-record-current. v* X% {+ k5 t! l: ~ R
(replace-item 2 trade-record-current (item 3 trade-record-current))+ X9 I8 T) b- T, ?
set trade-record-current
: B7 ^# d0 J( P8 B, n( y/ L(replace-item 3 trade-record-current note)) |. n: k% R5 T" G% }! B' ?
% A, q( F% A# Q. C( K
7 S9 ]- d/ [& \* Mask customer [
) J1 `- C; J" z0 r% I2 y7 J2 wupdate-local-reputation
9 n0 C3 D, F, Z" B7 N$ n+ zset trade-record-current
5 v* Z+ Y" e0 o# h(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) & G) z/ }8 |' S- K
]
# a# G* ^ G3 L/ ]. y# r9 K8 ?8 v& C5 n, q1 T6 s o2 V
) j0 i2 U' w* w/ {8 B# gset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer! F, m3 r5 C, j
4 d' }1 }4 @6 S, x; Q
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
" T" q# k0 ?" C+ z9 p6 ^3 y$ t;;将此次交易的记录加入到customer的trade-record-all中
2 S e: N4 Z, [8 Uend
+ I8 u# e1 M4 B9 w6 u4 D
- F5 Z! I3 k5 `to update-local-reputation
( n2 a3 I- z4 N( }. k" Rset [trade-record-one-len] of myself length [trade-record-one] of myself9 [# |) N& q. X* A
# J7 q8 l+ G; [& O( Q! U
5 Y- q H# O6 {3 ~9 A5 \2 i;;if [trade-record-one-len] of myself > 3
; B9 p2 g8 J9 @update-neighbor-total5 A U0 F2 V& o5 h' n. K, f
;;更新邻居节点的数目,在此进行7 Q3 q6 x& W5 s
let i 3
$ i/ T6 j' Q9 g- d, Qlet sum-time 0" i: \& J5 \, R" J3 P$ a
while[i < [trade-record-one-len] of myself]$ m$ G: C$ ~; l1 l
[+ n7 S1 E& l/ F% y7 Q0 J$ n
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )) `" M5 L3 F1 h- x
set i
% M6 K! v4 g0 Z8 z0 Y: G( i + 1)
- D& q7 B" Z' K* ^]
Z! f3 H5 y+ `3 Z% i: Z! Hlet j 3! r7 E* I, Q/ {
let sum-money 0
) i) U* z* D3 y6 Mwhile[j < [trade-record-one-len] of myself]
9 |8 l& G/ ?- h F- I* e2 D5 G8 y[
+ n- L% i: t: U5 t* C0 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)
8 r( c# K" R6 W9 Z1 [% p2 X5 ~set j+ W1 }2 u' R2 s
( j + 1)$ {' J2 @$ Y+ A) V
]
# O! }! Q! K; |% ^let k 3% y! f$ g" d. u! y" r
let power 0
! P4 y" v) L* Q: u. X$ P. Mlet local 0; h8 c6 m/ t! e
while [k <[trade-record-one-len] of myself]1 k: [3 Q) O8 O* X# W
[
% I# u5 K- s- Q' D- Qset 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) ) \: ~) O; E! a1 {8 Q
set k (k + 1)
( o6 t( s' }6 {) {# u, X' `]
: M; j- V0 D2 ?, Y/ Y z" L" ~set [local-reputation] of myself (local)2 B4 g0 J+ ~2 f. v) p5 W4 ^
end3 ]. N+ G) v) R& M; T8 I7 F
& L. Q$ v* c; B9 S; k; C* X
to update-neighbor-total
3 t! Q; x+ x" N$ T9 n* `
" S0 ~; S4 F/ A9 V' Eif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]- F+ T5 X# V* [0 v. P
: ^0 A& z" g! I6 h4 C, g6 Y5 F' M8 t- H. o, S% z1 m0 K& E
end
$ [1 r0 [! y% E$ H
5 U& |) B8 i; \: ]" vto update-credibility-ijl
( j' c0 R7 `- H1 s% { P, w
8 p2 k7 U! G4 v h5 b3 I( [2 K;;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。
9 |1 n7 ]2 g; o$ Z: r# q6 nlet l 0
. h( I; a2 P0 k( q w5 Awhile[ l < people ]
( ?8 z# V) }3 Q& Q* W;;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5 x8 y+ |( e9 P# d
[, L: o8 p% P7 S
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)& m4 I- r9 F( L) k: c2 d
if (trade-record-one-j-l-len > 3)
1 Q" }4 m" H1 K% a[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' E4 X- r. w1 [( B
let i 33 @1 ^% ]9 Q$ @, u q" S
let sum-time 0
6 p7 `( I) U9 A+ n1 F" P' D& N/ vwhile[i < trade-record-one-len]
$ X m0 K. B/ c$ ^[
Q0 F7 v- W. g) fset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )- F, i7 _& g1 R! j
set i3 P8 \) I2 l7 x- O+ m
( i + 1)
; @% g) N' N1 \# x2 j$ i. N" Q]# b& W( I0 _4 c8 z( Q+ \
let credibility-i-j-l 0 t9 M1 m+ `2 P
;;i评价(j对jl的评价)
% Q! z- c" k$ O. ^let j 3
1 j+ y+ E) T' ?' o- U& ]* Clet k 4' m9 u, ?8 _% g2 Z* U
while[j < trade-record-one-len]
! |# x: F9 j. t[- Y4 l3 U9 m0 l$ D1 K4 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
) q* _# R1 ^6 {( w8 r3 d9 eset 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)
2 S8 B& O/ E6 Hset j
+ I' ^4 [# ]1 R9 R- n1 H3 k. B( j + 1)( |/ c: I# W; q _
]
: z1 { z- x* B2 rset [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 ))
4 |* L! ^& f) R5 [# u9 O4 Q H0 d- b0 M
- n: k2 \# [6 B8 _
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
# V; Y3 d5 o& b! J;;及时更新i对l的评价质量的评价
8 b0 L- Q1 \- B3 C0 W+ Pset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]0 t' P$ Y( p, ?5 G4 J8 P& Q# a
set l (l + 1)
4 W6 u0 i3 X7 b( f! Q k P, r r]! e, @' h G8 C8 U8 d1 Y2 d
end
8 Z. I+ t9 s) s; C! X' P# k# I ?3 u: U, w, \
to update-credibility-list
$ u3 v b9 L/ \& ]1 V0 k' olet i 0( \. `# C2 w6 X1 J7 U
while[i < people]
. ^, }# _* q: _8 I0 z8 Y% p2 f[
) U* n6 x( o3 ?! C( W4 X1 G% ]: llet j 00 o$ j: j8 G8 w* }1 z- L/ e
let note 02 Q5 g8 Y0 P6 O0 u9 e7 S
let k 0
. P1 K% a$ p+ S;;计作出过评价的邻居节点的数目, f$ i5 a5 k- h1 J& Y% @
while[j < people]
; G2 p" p4 B0 l[6 S( W' g6 W- F- g" a
if (item j( [credibility] of turtle (i + 1)) != -1)
3 ]9 B, Z2 Z" k* _;;判断是否给本turtle的评价质量做出过评价的节点
$ U# |: I$ g4 w% w+ Q( J1 J) z[set note (note + item j ([credibility]of turtle (i + 1)))
3 V2 R' H$ T9 Q* F r;;*(exp (-(people - 2)))/(people - 2))]4 a" o3 ], D8 b g( }
set k (k + 1)& l, V1 f5 C1 ]& }9 F" o1 z
], ~/ @$ @9 D% F/ g G/ [
set j (j + 1)
+ A/ O+ C5 F3 s! P6 p]
! y T D" ^- @# G+ D5 Dset note (note *(exp (- (1 / k)))/ k)5 m. E4 k. l2 p
set credibility-list (replace-item i credibility-list note)
: i e7 u2 n' d% Iset i (i + 1)8 Z9 F# q/ [. Z: \8 E) o
] L4 Y# A; |1 j
end
2 A2 k* x, e) p( W
6 y( @4 t$ _! X8 f/ `& A# P5 Dto update-global-reputation-list9 q# o$ q# o2 f7 f3 t
let j 07 ] B5 ~: m4 m( ?
while[j < people]
1 L1 i7 J8 Q. o9 @% b9 M' t[5 {8 p' a6 E/ r2 R; V2 D2 p- S
let new 0% Q7 i8 g6 q# }. c9 t, V, j% ?
;;暂存新的一个全局声誉! l! c0 n2 U" E1 I
let i 0% Q; m" X. D+ ?& f- m2 z Z
let sum-money 0
4 F" _6 _9 i* @) Tlet credibility-money 0
0 }; h% V8 D0 c3 B) h* Owhile [i < people]
8 F) A- E1 @' w. f+ D7 w; W2 `[* h) `" Y6 E, G5 t1 D, \3 [$ ~
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
7 J; D& T0 K+ \: l) w kset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
; a8 l+ u% L+ W8 jset i (i + 1)
& M' Z, ^0 `1 Z8 t; o: \]
5 W. Z1 j! x- @; p7 P) v. Blet k 0
/ n( J, ~# s, i5 E4 Glet new1 0
1 @& J: G: _4 C6 d: c% ~2 Pwhile [k < people]8 t; _2 `7 X# |" _. I
[
& s, L, A2 e, _" w. _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)
! H. g' S3 g3 Q8 g8 g+ Yset k (k + 1)" W/ K4 Z4 O D
]9 T& z) M$ e/ f
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
( \3 B6 E1 W6 V2 \: X* |set global-reputation-list (replace-item j global-reputation-list new)
8 {. |% Z7 k/ X( {$ o* j; {. _set j (j + 1)1 K. s1 ?1 G$ U2 u# E+ f
]) ?' b* Y1 U0 c
end
$ o6 b% Z ~2 Z G1 v) J, `* C# p' ?4 ~3 E5 l3 y* c
" W* w' N, J; ~# i5 b
3 a9 {% H6 B, pto get-color
$ U- X; R) d z% U) p; ?
* q$ w3 U1 R6 @' f5 V' T1 H+ L! M6 p1 Qset color blue/ X2 K# U# C/ l) X) Y
end# X; D. L9 s: o
, k3 ~$ e4 L j# B+ Z$ Q
to poll-class
9 V9 c( R% E N6 u) T0 d3 Uend7 U: P8 G/ u6 q- A% K1 P6 X0 K0 v
, o2 T! f: J! ^* tto setup-plot1
$ P+ n1 |2 i; g6 w2 ?! W: p% R4 I( ^, y
set-current-plot "Trends-of-Local-reputation"9 ]* C6 L% V6 c. ~* D
5 v: ]! P) s5 R% Q& r$ B8 s$ Pset-plot-x-range 0 xmax
1 ]# p i) h1 }6 d& O
" D# N! N! A9 m- S6 ?7 @5 k' fset-plot-y-range 0.0 ymax6 i& z' q% c# v
end+ g0 f7 L9 K9 K7 s# {& Z
6 f r8 s7 y6 C h0 E$ ~9 ito setup-plot2; |$ j" [' R& n) q3 ]
+ ?$ A7 G/ ^. Z+ r% a$ a* Jset-current-plot "Trends-of-global-reputation"
3 B% z4 K7 W5 ?; X
3 ~+ a' M: \1 z2 N8 v% g; [set-plot-x-range 0 xmax$ k( b4 [5 Z; ^$ S" h2 H4 ~: N
3 M1 D9 t6 D, ?* A
set-plot-y-range 0.0 ymax9 \) M/ `7 Y3 y( Y7 R
end8 P& i. A) l( C* X: {9 |8 C7 P4 [
# t0 G# S; L1 i- y7 j1 Jto setup-plot3
3 g0 A+ C% E4 Z0 ~9 B6 H: J4 O' j6 H! U ^
set-current-plot "Trends-of-credibility"
0 Y- T1 Q V1 {: d9 w8 D! }' N$ }& I" ^/ `5 J
set-plot-x-range 0 xmax
5 b! B: x" p$ R1 E( b# @& g
2 w' P! Y6 C7 W6 a4 ]+ Sset-plot-y-range 0.0 ymax
" z& x$ M' C/ i9 o! P7 send
* U, K6 l' K; S6 ]& \6 u8 ~- y9 d. r! K) p- g* n9 ]
to do-plots2 e: l+ Z+ _( W1 |4 W8 U7 e& t& A
set-current-plot "Trends-of-Local-reputation"3 {: z% J; {9 I# [5 R* N8 q9 Q
set-current-plot-pen "Honest service"
2 E+ i: `) l/ R) \7 ~$ z/ B s) wend' b9 ^% N" S- Y2 p0 I* ]4 u0 x
8 L: V6 d0 Y* ?6 W[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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