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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
6 a Z0 J7 m4 G3 ~globals[
2 I4 F+ j5 C5 s# }% r' U! ]xmax
, `/ B9 F2 b4 ]8 X5 u1 x: symax: {) e+ i6 _' o, A# y6 U# i
global-reputation-list
4 E# |; w. G' [1 _" u* ?
& S- W7 _( h/ X4 e B+ e;;每一个turtle的全局声誉都存在此LIST中+ w$ O4 f. o9 y$ h: j0 u5 G7 t
credibility-list
5 Q9 B5 p0 |1 q5 v- }2 x9 P+ l;;每一个turtle的评价可信度) T4 r# Y- F) _: @8 B6 O" `0 t2 k
honest-service9 Z. K0 Y9 x- z
unhonest-service
' f8 s; T- a2 l7 x- }: ]oscillation
- {0 U' z1 X0 m6 \# n' Xrand-dynamic' x ~ s. U: V& Z- ]
]
: m: T+ O4 u' e! j
4 i+ O6 F5 N0 t, E6 M) q- \0 q+ ?turtles-own[
1 f: _) b5 z0 f; [' z: ?9 Strade-record-all
% E W# V5 }- n R4 ];;a list of lists,由trade-record-one组成) h6 ^5 N2 W7 t1 f# O0 E) a
trade-record-one1 w- f8 o8 v$ O2 e0 N
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
x' A2 N0 y+ |: K- i: t2 P) N; x' Z
;;[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]]
$ x$ H! b2 f/ h' \0 y, 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]6 E j& Y8 E4 e H$ I3 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list$ n! `8 m+ g' h# ^
neighbor-total
" \ O R4 ~5 }9 `4 H;;记录该turtle的邻居节点的数目5 U& H' L" a5 m K4 Y/ @
trade-time1 j; K# r8 R: s; e
;;当前发生交易的turtle的交易时间
/ T6 z' e+ c7 m# x; a+ J0 N* b0 lappraise-give
/ F4 G6 w9 `0 t$ s# o;;当前发生交易时给出的评价* h" z9 E- [9 k0 t, f4 r
appraise-receive
5 p! b! p1 h0 j* k& w;;当前发生交易时收到的评价$ y. d+ K/ k. J/ _
appraise-time, B: D" I; i+ T' J
;;当前发生交易时的评价时间
K$ {% S# L y7 |5 B$ Ilocal-reputation-now;;此次交易后相对于对方turtle的局部声誉" u+ O! L, m3 d+ [! [5 e( d
trade-times-total
' c: b3 b, U+ F9 _' S;;与当前turtle的交易总次数
, ~6 |( [$ a- utrade-money-total! g; C: l: h8 G8 a. Y9 t; n
;;与当前turtle的交易总金额( ?8 x+ s8 i, Y+ Y' h1 m# F
local-reputation+ Y8 L4 j, T& @
global-reputation
w8 l8 p( b5 H7 f( w8 _credibility2 \4 Y0 Q$ o1 n% K
;;评价可信度,每次交易后都需要更新
# ^- h+ Y2 z0 Z% ?# K7 b& u9 bcredibility-all
" B6 e" r$ ~/ ?6 x8 d, o9 h- \" r3 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: A3 A# _5 V4 Z$ E2 Q# ^9 L3 t( N
! ?1 I) B! x; G- U;;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
`1 U3 H6 @0 B9 \$ Rcredibility-one0 [, p4 b j' M+ M: J" l- ~
;;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
# L$ Q6 E2 ?( r, k9 k% hglobal-proportion/ F) c9 F$ z6 _2 W$ G
customer
7 @" n# p3 a+ d' kcustomer-no
5 K6 O# s5 f: H% P; M2 Atrust-ok% P$ K; R* X1 L8 O6 m; @
trade-record-one-len;;trade-record-one的长度
1 w, q- X+ F# B2 H) r]- Q" p$ s( C$ u' I) s
' d! ^( W9 e6 }6 w$ p: x7 o;;setup procedure
: w6 G5 P2 A/ }* [* e6 R
1 x/ M+ k7 f, I2 O! E: t6 _to setup" g" N4 K2 H! I! W2 M8 L8 m0 V
) s9 a( M7 o" w" O! _- |* p" t
ca
9 F& M" C3 n, M2 x0 s
8 C" J1 i A3 Y$ M/ p6 ?7 O0 pinitialize-settings* {# l! v. v& V( u* E8 t
4 Y. q) @- k! ]9 ]1 p0 Ycrt people [setup-turtles]
: b5 V: F, K+ }& r& i3 S4 {7 v+ r+ u' f7 L4 N4 ]- o& m! c, a
reset-timer
/ {2 C- }# I6 z3 R _) O" m8 { R- j$ x0 f3 [# z& Q3 Y
poll-class
0 O$ D! @. T& k$ g3 Z( Z* p2 U' U' U( B
setup-plots
$ K: h7 g1 x8 e+ S& |8 M3 i% i" q1 U8 s, j( l3 h
do-plots8 i; v7 L9 s' a+ x( |3 T+ f
end
. u- p. \7 r5 d' {2 f A C5 N
6 O. ?# b, i& U7 wto initialize-settings4 R9 X: A: V X, O; m/ N; y
1 n- c" X& d# s( y6 _7 Bset global-reputation-list []
9 c% S! d1 F% S6 _
# ]: L, n! X$ D( N" Dset credibility-list n-values people [0.5]
, U! x: w. T0 i
' W+ J" @" S. \) Z3 b$ |$ ?set honest-service 08 A& e k% q9 r3 ^3 H$ u2 W
) [5 o0 m: G+ \/ f+ O. Z! e, E" M0 f- w
set unhonest-service 0
7 V1 C) O+ z( m" t# W b2 d7 G* B5 \# P9 x Q# |2 a
set oscillation 0
7 s0 g/ W7 p2 K7 b- q2 \+ s- I" v& H' J$ v6 `; u$ y% X
set rand-dynamic 0+ K) {( W5 |' }8 d* A% ~& {1 B
end& K Q$ o6 H, V, u) ] V
* b5 z# n0 ~8 m* Y c/ \9 q7 vto setup-turtles
7 ]5 ~" R! V& w6 k7 qset shape "person"
) f( k( i5 {' ssetxy random-xcor random-ycor
. R$ u5 @+ s( Y5 t5 Cset trade-record-one []
3 Z) Z( }4 r; o* W* f. x" y
" F; u5 _7 B* Aset trade-record-all n-values people [(list (? + 1) 0 0)] 7 i( }7 |4 K! @$ O- G9 W
6 G" l2 |! k v7 G2 h9 i
set trade-record-current []/ o8 h! a! c9 v
set credibility-receive []% _* O+ s; V+ q' ~4 o* G
set local-reputation 0.5
0 }: ~5 w9 y2 Rset neighbor-total 0
5 d: p2 I J$ A0 d! ]( V* Q- e1 nset trade-times-total 08 R1 Y+ R/ h: j; r
set trade-money-total 0; G+ s& |5 v# n1 @& u! t
set customer nobody7 M) f1 k9 b' d
set credibility-all n-values people [creat-credibility] S; e6 K) o. @$ u. Y" U+ W& b
set credibility n-values people [-1]
) I/ o, t; n* c; Y2 ^get-color
8 p h6 W6 g* {) e2 b
! L- |; W7 N" {. V0 L/ Pend/ F0 F* z/ a& |) h; [, ~
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to-report creat-credibility' ]3 J2 i% I& j$ S; ?/ F
report n-values people [0.5]. `, b3 \# m5 B; l, }. q
end
3 V* g7 V3 ?+ \/ V0 e
+ Q7 F$ }6 ]( F. A4 h) {to setup-plots+ X- O7 W. F6 A# K# l- c: i- z5 @
% t# I) J8 c1 dset xmax 30
9 B3 F) c! y* I0 [- e7 \8 Y' T. ?2 Q9 V
set ymax 1.01 Y" F6 q5 e# C
, }! K# z- V3 t6 f' i" U w2 g
clear-all-plots7 H# n) n5 M' ^9 F5 K! T; z$ l' g
6 k: Y$ p+ r6 U4 N
setup-plot1
% Y6 x6 j/ ^" R8 w% u! [+ p' i' x% R3 |) R& w
setup-plot21 f3 B% f+ u% M
) i; f) H& ]6 q6 m
setup-plot3
/ m' h0 j' \5 y; V7 t- |# ?, Cend" n- a; a4 n% y+ V# v5 x: k6 ^9 H
6 ~9 M, J9 b# v1 q
;;run time procedures" o( v1 t$ H, s* Q" d; g
9 B# N) `, b: a5 a- [# k
to go" s9 q! }. ~: q, E( T" Q. w" C
3 n0 n# [0 f3 X2 ?6 {# U% A2 ^( \
ask turtles [do-business]4 N3 w- ^1 M; f6 `) s2 E: d( S
end2 o9 s- _9 A* \ `7 P
; `2 p4 \0 {- {/ q) b
to do-business 7 R; Y2 D$ }- L) }
4 [6 w! R: P3 c: t( g+ r* Y8 P+ E( P5 H" d: c% {, u, K
rt random 360
4 b: N( F9 M& {& H3 q- Y8 ^( I0 X4 f- p! v
fd 1
& K x8 i- W& W+ }
$ R, R- g9 v& z1 sifelse(other turtles-here != nobody)[$ h# h) Q9 v- b$ G; |/ c1 F
8 a1 N* M# |5 c) z4 E/ x* f# S
set customer one-of other turtles-here
- t/ Q5 \0 r( f7 T6 g& v
B9 W& V9 h3 C# ]/ h;; set [customer] of customer myself9 ?$ y4 |+ i g) g8 L# {4 n
; s6 u$ ?2 B6 M
set [trade-record-one] of self item (([who] of customer) - 1). w/ A2 H& H G; M$ t. i
[trade-record-all]of self- W) W2 a M6 C
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self* r, ~9 B' E0 m0 F! p2 b/ S
* ]; Y, k. q' K( C
set [trade-record-one] of customer item (([who] of self) - 1)
- r" g* O. V6 ?[trade-record-all]of customer
, X% r& I8 t* P6 Y( i1 z, p# @9 {1 k5 ?/ s- W( x
set [trade-record-one-len] of self length [trade-record-one] of self8 ?" R j, D0 E. \& t7 j
3 n9 t- ?; o1 A4 T4 t( ^7 }set trade-record-current( list (timer) (random money-upper-limit))% N6 j" z9 p1 F! U j
6 r& S# q% g. A L% `' `6 Pask self [do-trust]
+ j3 G+ U$ z% M3 |/ O! @;;先求i对j的信任度
4 @7 [( y& t m3 Y: g. s% k1 s6 S6 k& g. q. y& ]4 Z$ V
if ([trust-ok] of self)4 ?# K) ^; n$ _% @4 ~$ y
;;根据i对j的信任度来决定是否与j进行交易[
' u% @$ C0 Z2 o* J+ b. ^ K/ gask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
# ]) `! O6 p& N9 x, Z c7 C
( |5 F9 Y8 j! F" @[. Q- b' s* _- K2 a$ K& m$ b
: A5 w" o5 r8 K5 s6 l- `7 f
do-trade% }7 a5 X2 C/ q+ W5 T9 J' j
# B$ G5 U! u8 u* z& aupdate-credibility-ijl
' P; H4 W% P& `/ P
! j k3 [) g: o. `% `# Eupdate-credibility-list# a$ i% Z, f* k) y
0 C4 W E9 g) t5 }8 \1 b
, l7 l" }: k5 S i% Z2 Q/ kupdate-global-reputation-list5 f6 \. b- f7 Y! b. ]) I; E
( K3 ~, q0 s3 t& G3 F$ g
poll-class
) N+ `& b: l' m; k
' x1 n4 }2 D( A7 H" w- K0 @- n% ^ A6 pget-color: V2 N4 \( M2 q2 W! K) ^; z7 I
4 W5 Q: ]7 R: j9 j a% U]]
1 T; ]% K! S$ n! |7 A3 T! w* |
' d! y7 ?- E6 z+ ~1 f+ t;;如果所得的信任度满足条件,则进行交易' ~( O J9 ^' Z, a/ N
- f0 p! i& x1 n0 U" i! ~, V
[2 F/ m) U6 E# J1 b5 z* p
! e" t b6 k: T4 Y x9 Hrt random 360
. |% w" f$ U6 v/ F- p3 Y. F! ^ G. v+ O1 F
fd 1( B" H* U7 l; z
# X3 O! X3 z% m: ^0 K9 P7 Y]
, R5 ]2 {8 m1 E/ W. A, P
{ T5 N8 @8 t* k& R* @* e6 X* Zend
0 e( g% x# B' H1 r! i" [: b. ?: S4 x: t9 b1 D
to do-trust
0 i' D! z4 G0 k$ b+ a8 u0 ~set trust-ok False: w5 H Q0 A$ Y7 O t9 Z j; r
# O- m$ F; _: f
( O2 ]9 z0 _; m5 ylet max-trade-times 0; k- e/ O' c2 N# h* `, ~' c
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]6 \3 K: d5 w: G5 ^+ t: i
let max-trade-money 0
4 B# ]: J/ z6 }. ` m- X8 l8 `5 Iforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]] G8 ]* P+ v" d
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))% Y; ]( r; H; N- Z/ p- r
( N$ w3 [' |: h! j" p9 a
6 q3 x9 n4 @7 U: U% Q, E; @get-global-proportion
# \0 U# s; @$ I" o6 `let trust-value- Y2 B: F% C1 a: Q: ]
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)- g2 V5 G4 j, W3 o1 [# N
if(trust-value > trade-trust-value)
& F. c3 u0 h) h7 O9 [8 J( s, U1 [[set trust-ok true]
8 b7 n' e$ J: t# {! y, g Gend8 \1 ^1 b# |. a; G8 u& [
# ]/ d/ w' d* }! I0 Wto get-global-proportion
2 A( c. `6 W5 [1 v" A* o% Fifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
; E% R0 d% {/ T% ^/ b: f[set global-proportion 0]
' D _+ u! B& Z$ h7 F[let i 06 T3 p8 \% Y, t; `
let sum-money 0
) q1 ^0 z: d! e: C) K( awhile[ i < people]
; \( |+ B: k W$ j% `5 u/ r[
$ j0 f9 P8 n8 `, _if( length (item i" Q7 }7 T+ d6 \
[trade-record-all] of customer) > 3 )+ M% z( q" G. O5 F; i% q8 c
[
" V8 \2 F0 S, ^8 P6 ?7 Fset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
- ?9 G9 S/ X' N$ Y: ], s% a8 r]
7 F7 T* ~7 c4 u, m" N]
% Q9 |, w( u# ulet j 0. m( n7 i/ c5 {# u5 d M
let note 0
& m5 E3 h6 k5 ]while[ j < people]! p# N1 _5 S: ?1 E3 @& c: X
[
# G" ^3 q. o" M Z! h( W& {if( length (item i1 l4 o7 b' j" R
[trade-record-all] of customer) > 3 ), C( b. B& S- V
[
: s v) e2 l0 J2 U" u4 gifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
1 M1 Q( W. n4 L. h+ L8 D! G[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
8 W5 J: D6 @6 B[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]8 H1 J% _6 t( r# x+ x( m, I' B: j# J
]1 T7 \! g% ~8 [) L' H
]
5 D, B1 w7 S9 V5 Y# Xset global-proportion note
# M! Y' S" ^5 o0 [3 Z. ]]
8 C7 Q+ d- q3 c- b/ T& Send
6 f* e0 C7 C9 U# o$ p, L- L1 r0 a" s7 p* z; z* J/ k) V
to do-trade
4 S; U- D& {, X9 r9 G H- u;;这个过程实际上是给双方作出评价的过程
; s- s3 G# S @, S4 W% eset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价% Y: t: J8 F/ {" x9 m
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价2 w( L" e# d& Z: {% P5 T. K9 V/ ?, J
set trade-record-current lput(timer) trade-record-current6 F6 K8 T; |) p2 r! t- x
;;评价时间6 M- c, |! {# r7 N1 n) _; ?4 ^$ a
ask myself [
/ j B( p4 g4 W( }: k# Fupdate-local-reputation
7 c2 {8 K; Q! J& R) V# b o* G4 dset trade-record-current lput([local-reputation] of myself) trade-record-current
! [$ K; F$ f+ s5 q5 L0 }]
8 ^+ Q4 ?0 P3 z0 c; }set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
e6 K5 R! j% J" {! B;;将此次交易的记录加入到trade-record-one中6 o0 q2 w1 U& d$ A2 ]! G
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
# E& y1 R) k* Y2 [1 J" \let note (item 2 trade-record-current )
% V; u# k: X/ e/ d, @- p/ lset trade-record-current
& U6 L# c+ ~% ~) k4 H(replace-item 2 trade-record-current (item 3 trade-record-current))* k, `' R; j9 s2 ^, [$ ~
set trade-record-current
8 A0 ^9 H0 k/ Y& a. r$ ?(replace-item 3 trade-record-current note)/ r& _( I7 k D8 X" o
1 y9 P, p2 e) u7 Y4 k3 s& m
$ n" G& u7 r5 h1 b2 W) F
ask customer [
! E0 M# K& q% h) Q- j1 lupdate-local-reputation
/ S( U4 |4 [! }, U4 E: R5 Vset trade-record-current1 p) a7 E0 h, @2 K3 e _8 p l
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
% s# d, F% A7 a' H]( B0 I0 c x! b8 a- V
% G$ a1 @- f$ ~( r1 R* ^
0 Z3 s! L( N* O5 ~& x q) O8 S
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
7 s+ f/ E1 ^& w$ c' v0 U$ |& T( J, d; [9 }3 E
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer)) v! c0 }) f ~- U0 A, G
;;将此次交易的记录加入到customer的trade-record-all中 ^, I: U& o1 j
end
# C$ U! @; M; k( _
; i0 H# t6 o: W0 kto update-local-reputation
2 f( @' ~: S" w: l0 H z& \3 _# aset [trade-record-one-len] of myself length [trade-record-one] of myself' `4 j4 j O& `- M4 R
3 U1 o3 w$ M D5 C2 r
2 j% @5 b7 u D8 C% T, A9 D;;if [trade-record-one-len] of myself > 3
# W8 w/ n5 A6 \; ~# M6 {0 I {update-neighbor-total
2 h1 E* p0 _4 W+ c9 t7 x$ z) {;;更新邻居节点的数目,在此进行( w0 i" @ U: c3 D( E3 Z5 x
let i 3: m/ H: Q" z( E0 G
let sum-time 0
9 Q' m4 a7 V& M7 k9 Kwhile[i < [trade-record-one-len] of myself]
! d7 w! ?& }* y, n3 g1 `[
+ y0 R; W1 `) ]; Z! qset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )2 |. f$ b$ x& y% P" M' U
set i
4 r, f. _% z1 A( i + 1)3 L% D( [! Y$ Q2 ]6 v8 t. z
]
2 h, g. o; S9 _* z8 r4 @let j 39 N- l! C5 V$ ?+ g1 b
let sum-money 0; h" I+ ?8 w; O W
while[j < [trade-record-one-len] of myself]
& G& T/ K2 ?* v! u) r5 j4 o8 @[% [9 {# T5 q' R
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)
' k3 R& x% Q1 k/ M$ pset j
3 y' w% D6 f/ p' u M# D2 t( j + 1)
; _$ q! Y4 _( k% D8 P9 C0 V]
3 z$ d) X- k$ O9 T2 N* [! r7 f' mlet k 3
# l, m! p' k# k/ d6 Llet power 0) _1 \! Q5 _- q6 R b+ t; Y5 H
let local 0
; f8 v% f; G& g% Owhile [k <[trade-record-one-len] of myself]
- G6 p" P' J' _. j# Q2 O[
j+ U3 c4 t# Dset 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- y. k/ o1 Q+ V1 \ v+ ` c1 ^1 Yset k (k + 1)
+ u% e/ e. P! y8 C% `5 E/ @- A+ `( l]3 C1 M& ~3 d9 c* W. x
set [local-reputation] of myself (local)
( `) p: W- W3 E5 rend
. T; X9 i$ N* H; f2 G, u2 f
- G$ ]& r. c, S3 c6 e1 z" vto update-neighbor-total9 `+ y4 q! X7 X6 r0 G
' j! b5 z( z- r6 \7 W% Sif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
; O9 B/ x. I. F; s
6 _- ~4 u- t2 u! \+ O
9 N, Q8 c% ?9 \" H* T; a4 qend
: r# `7 W6 N. j0 `( c* y3 o; l
( K. }; \7 {" L/ j5 ?to update-credibility-ijl 9 }/ _) X3 c5 \8 {+ h) s
* a. i8 Q$ H. x* D6 P;;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。
' W. D! d6 I& ilet l 04 d6 b j) R: l9 E8 f
while[ l < people ]
- ~% S3 t; S, u0 q; S! V- E5 p;;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7 p& T2 I f8 r. Q" H
[ V) I a! R) X+ i. t- o/ N
let trade-record-one-j-l-len length item l ([trade-record-all] of customer). X8 B# ]1 }3 Y
if (trade-record-one-j-l-len > 3)) ~ w/ w+ j. ]
[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
, W6 Q: s- I8 u# ?& Blet i 31 S7 G$ S5 ]) s9 A
let sum-time 0
+ j7 H4 @; Z' v! ]1 Wwhile[i < trade-record-one-len]
, S8 U/ m8 {/ T" q: K8 o5 }[
7 q, u; a& h! H/ L# ?3 Uset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )# ?& X; L* d+ p1 D$ q7 Q: f( x
set i
* y! {0 d6 \( V7 @4 |1 [$ A0 y( i + 1)0 \; q% e6 s9 f' ?! ~, Z8 L) _
]
6 q. }& \ I" q( v1 o" y$ Nlet credibility-i-j-l 0
& T. L; m9 \* E) x;;i评价(j对jl的评价)6 s* r6 k' L& M8 {8 j
let j 3" B" H7 |+ n m: t
let k 4+ M0 W. b$ D |5 b+ C) r
while[j < trade-record-one-len]
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( `. B( z3 f' }! R: xwhile [((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
: n$ z) c1 Q6 ~/ ~. Hset 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)5 ~; w* Z o& h- m. T" i
set j9 D& ]+ A1 `9 D0 x
( j + 1)
$ T S* m+ u" m o" s( ?]; \' S+ t/ ?8 l: q6 ^; 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 ))6 e4 u {" i+ s/ w
3 K( L( v6 p* Y0 f
8 r& c. z' \ R4 V% z8 b/ Wlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))/ o$ t- O; H( ?8 P8 m: O' ]9 L5 v
;;及时更新i对l的评价质量的评价; D B7 Y0 f, a
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]3 P6 U: ]& Z y# P; o: A/ `' S
set l (l + 1)
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end: b( s1 |! P- Z$ c9 C8 ^+ m
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to update-credibility-list
* r1 x. M5 z9 vlet i 0
( j1 |4 o: p Owhile[i < people]& @5 S- j' P, X9 D5 J
[% C+ f* G0 s* i* U U
let j 0* S" s2 { N6 B4 [( v' h7 @6 k( R
let note 0
, l2 ^* u" x4 jlet k 0
0 s; j1 V1 T3 \/ m" t$ };;计作出过评价的邻居节点的数目' s% ]' ^0 z3 I8 L& {, L
while[j < people]% [0 l& e5 h7 Q7 x
[
8 `0 N8 P9 v1 `2 `( Yif (item j( [credibility] of turtle (i + 1)) != -1)
7 O# E1 _& g) m& j2 P8 n;;判断是否给本turtle的评价质量做出过评价的节点
9 K9 T5 K' G9 F6 W[set note (note + item j ([credibility]of turtle (i + 1)))
# A9 z* p, }0 _: V6 r+ o. U;;*(exp (-(people - 2)))/(people - 2))]
. x/ V |1 l' n" @) d/ a. D# Uset k (k + 1)
; x) B* _) ^6 n5 d. J& B]3 k3 O! s2 W& ]% k
set j (j + 1)9 F' A. |( o: g* ~' r* Q
]
3 R! G$ V% x- R. ~- u Lset note (note *(exp (- (1 / k)))/ k)' R# {- O) Q: [
set credibility-list (replace-item i credibility-list note)
; `6 d' a0 x; {set i (i + 1)
0 A- w% M/ i* c6 J]
" c, c6 A5 h9 n" Mend
" X2 u$ }& O- t3 c7 @% f" E# _; m
$ [; }% U' o9 e0 s: Lto update-global-reputation-list/ W( Z, K3 ? t4 v$ J/ e
let j 0
/ L h& d' a; U6 Y3 hwhile[j < people]5 p1 l- `' `$ T' ~
[
: g7 p4 x) Q7 l" b- O% _, slet new 0' R. K! R; F1 u# g. n& ~# Z
;;暂存新的一个全局声誉
7 K) r/ {" ]' r7 I& o6 r2 ~let i 0
2 D' ` W9 i! ^let sum-money 00 B- i) y3 p3 T& H1 F
let credibility-money 04 t, w" | w* u3 j5 f
while [i < people]
, ^5 `' Y( R( o- x: w* E2 a[
# P7 `5 u! A% {& _2 @set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
, ?3 x% Q" X ] v& A& @: e: Bset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
! }7 O1 O' Z+ y, zset i (i + 1)0 s/ q7 u r* j4 r; V! s) J( e
]
# ~+ }3 D0 I8 r) Q, }4 ~let k 03 F1 \; w, P9 H# z$ S
let new1 0
) b$ X2 z" X. [! n! R5 W `+ i# Ywhile [k < people]
( n8 P. X; F' N9 z+ H7 n- J1 ~[
2 k% ^( G0 I/ Q- K8 Q9 F" oset 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)
7 ~8 @4 o$ k8 d( i0 v/ {set k (k + 1)
{. N. x3 E5 L/ h' A2 u, X3 E" w]
1 a/ n5 x! x+ c \! i: c* Y$ t. u1 `3 Cset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 2 \, i" G# z+ c5 |0 ]) w
set global-reputation-list (replace-item j global-reputation-list new)
. ]1 B5 G9 I9 u) v1 c: \set j (j + 1)& F$ y, U5 Y1 `, R# y8 R+ J& `
]+ \" g2 U1 \1 d* j- t, M& R
end
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- S" I& e6 b* X9 D& W: c4 {1 x7 W9 M$ K+ u0 X5 e% z
' L: G1 D; M+ J6 u. l, B# Hto get-color
1 h2 c9 @) `9 m+ `
) b5 v. ^; }1 Y8 kset color blue
& ~* `: X d$ Kend8 |1 e8 S. G3 B, }! |
' k6 p& U/ N% T0 b Pto poll-class
. n; W# h7 E) }+ i& L* P. b3 b3 Oend
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) }: p4 y5 [/ S3 K8 bto setup-plot1
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$ f8 Z) {% u0 Q0 R1 ?5 Iset-current-plot "Trends-of-Local-reputation"
7 Z. N1 o2 a$ Y) e+ \0 `
: J* Q) P ^% j7 z$ o, e$ ?" v3 c, }set-plot-x-range 0 xmax- R( p! z$ u, s( `
# n* W, `/ u1 Q* f2 u& d
set-plot-y-range 0.0 ymax
1 g' H! O0 q/ ]1 P% a/ J1 Gend2 R; W+ g( P! ~7 Y+ ^6 o2 [
) V, r; ?4 ]- x$ Z: ?2 H, ?to setup-plot2* [0 u4 J8 H& L5 ^* }
- [0 p; \; V5 w* S) I/ J' K
set-current-plot "Trends-of-global-reputation"
3 k4 ? j0 ?5 Q. ~7 }7 @, W- w8 i) Y' i- z+ H7 `
set-plot-x-range 0 xmax
+ `: P) y5 o$ m8 ?7 p1 Z0 `7 J+ q# d7 A9 Z
set-plot-y-range 0.0 ymax
5 Q( K4 \+ n5 |! Lend4 C c0 {% F4 a
3 T3 z: i" W L+ A4 K' o
to setup-plot3
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set-current-plot "Trends-of-credibility"- r# t% b% m5 \3 q9 h {; d
; n0 @$ _1 C5 w# \3 \' O3 n4 vset-plot-x-range 0 xmax: L& f7 c* f! n, n9 [9 _1 V! d3 ~5 q
: M/ Y) C" D) Y7 gset-plot-y-range 0.0 ymax
5 b: D; f1 x$ P r* z" _+ Eend
! N2 _8 H, I6 {
/ \4 P! Q7 F% s1 x* qto do-plots
$ A% n6 Z. Z2 h, O7 W* ]set-current-plot "Trends-of-Local-reputation"5 H! D! L8 ?7 s5 _8 ]
set-current-plot-pen "Honest service"# Z$ r: H7 v6 V% {) [# D* t
end
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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