|
|

楼主 |
发表于 2008-3-18 13:10:54
|
显示全部楼层
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
# }5 B1 n% p3 @globals[
+ d: e0 n8 n: U8 m: Dxmax
7 n6 r: a0 f( P( Pymax7 e3 J8 y" {) g1 o4 d
global-reputation-list$ r- r$ D1 l) w
, U. s- n: X7 a3 e
;;每一个turtle的全局声誉都存在此LIST中2 R( t, [) L( u8 @7 f- u3 x, T
credibility-list% P% Z+ T$ a0 m- N! J/ v5 T. {
;;每一个turtle的评价可信度' |4 P3 p8 p' u/ q. x/ y
honest-service
; W; Y5 G& H7 i3 Munhonest-service& G" t7 M( _+ m
oscillation3 F0 e3 a- m, {( B/ T9 { K! [( v
rand-dynamic( u3 T0 v3 [0 f+ O B5 ]
]2 o' e% k6 ]1 Z- i P- [
9 q' B0 c3 p! S0 i7 u% z* c- i' p
turtles-own[7 ]8 h# y6 M, z9 a q
trade-record-all" h2 c6 f% O1 R) C( I0 w( V+ r
;;a list of lists,由trade-record-one组成( b* l& s" _/ I8 X, _: `
trade-record-one7 Y; E4 n$ `, l* x/ i
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录5 j6 {: g" E5 v2 R9 E5 V0 S, T) t
0 S4 a$ n+ n; b0 \; o6 i
;;[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]]6 d/ m7 X' m) ~( o/ H7 M
trade-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]8 u. \$ U, n- t S2 {# g/ U4 U" 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list7 a, @6 J L! G" ^1 p; }4 R& [
neighbor-total
% g% s; d4 _, S+ r1 X;;记录该turtle的邻居节点的数目
$ X/ ~, T/ x6 } D" Z3 s4 Itrade-time* ~, D9 h. S9 ?* @
;;当前发生交易的turtle的交易时间5 C& c# B. N) e. v3 b2 _- ~4 b
appraise-give$ |- B8 ~8 {. {# U
;;当前发生交易时给出的评价- s; \" Z0 P, I- J9 x* T
appraise-receive9 t/ E. N" _) h
;;当前发生交易时收到的评价
+ n& k) L4 _' t; _appraise-time! s, T) H: i: @' y ?
;;当前发生交易时的评价时间' f: P* h( y) ^& Q7 y2 p/ T
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
$ r( A4 b1 K: R0 Y4 ptrade-times-total, e/ I& d0 O# _2 m
;;与当前turtle的交易总次数; c0 Y8 P9 r1 C. e" I! L
trade-money-total8 T N/ Z( l4 e3 I$ z3 b5 F J( Q
;;与当前turtle的交易总金额: z0 L$ J1 H" p
local-reputation
8 s% w, Q: A: j' w3 E) \% ~9 v$ ^1 C% Bglobal-reputation$ ~3 h- t; C% f0 B) n+ Z& Y
credibility
; O' n* v) G& g. c;;评价可信度,每次交易后都需要更新
; T! x7 w# U+ C* K2 d6 mcredibility-all
5 c2 w$ n- d; w% l;;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
! R' H5 _6 r( \, O7 G! V8 A8 G; u7 {( i/ R) d: _) p1 P
;;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
. O0 w+ a2 o5 Y, o" L3 ~, O% Ccredibility-one
+ x2 S# N1 j6 \* ?4 d6 i8 V;;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. N- d$ e5 V( ]9 c: `! f2 `
global-proportion) I9 p, j/ N) ^7 X# x
customer
# F* X k. S$ ocustomer-no( R5 ]) D+ Q8 ]0 p+ ~
trust-ok
9 b) n4 I* N; A8 ~7 ctrade-record-one-len;;trade-record-one的长度+ u: b# ^. E# _6 w; W* U
]/ T$ a5 F7 V* z9 Z+ [$ q6 a9 E% ]; F- |
" w1 V b" K1 `/ f;;setup procedure
. k! V, H1 m) `/ P2 X+ }
* d) C$ l) W- P* l1 K4 yto setup
/ c. w- x* g* W9 O* O
h, U+ m8 b- M+ j: z$ A8 T8 Z2 Tca w. M9 ]; P! N/ `
# Z: N. c, q- Q4 |& t+ x; g; p
initialize-settings) M8 }9 `' I# z4 B/ x1 X. O
) h3 u: v2 q3 N
crt people [setup-turtles]# w# K# J. e4 ]
5 \+ z# D/ M0 K) J$ Z% l6 d( }8 qreset-timer
4 L, M* v. m* S
3 F% A; @* b; X8 @poll-class8 ~* C$ q; L- T! C
: }4 I. n% `) x' ?/ x8 h
setup-plots
2 G: H. K* q# a4 N, J
' A- _% i8 B& B5 M5 M- E+ W$ vdo-plots" f) t: T# ?2 K& h: `( N8 A
end' O; @& ?1 q6 N
7 i! }* a; {% r. B: hto initialize-settings5 }4 Z; ^) X$ O! p7 I3 J7 Z
4 T( g, Z; q( P. b+ k/ F- P
set global-reputation-list []" {- x8 s) X- f. M
9 e3 c( _7 q- f) s% p6 ]8 Uset credibility-list n-values people [0.5]" O9 q( ] m9 i" ^' e, v7 f; X6 h" r
% `! F- s, `7 S; P& l+ P- nset honest-service 04 ?8 n( D4 d) ^3 [- Y
3 q+ v1 [5 e, D; W' @$ bset unhonest-service 08 C3 s+ c: _5 x+ Z5 h8 d" @1 J" ]
$ M" y8 N+ {: H3 Q; c* \! E; Nset oscillation 0
2 D$ Y. _- y: y. {! g
1 j: f+ J0 Q2 U4 i. {8 r& Y8 |set rand-dynamic 0
8 T( u$ E, ~; [end
5 }$ M7 c% F' E* m" B2 d4 {# W3 K/ g" e+ o+ e. V4 v/ K: A
to setup-turtles
( R$ X8 P. ?# ]. R/ @0 H% Z* {/ gset shape "person"
) ?- L9 F3 t6 K4 D7 r2 l$ U) ]setxy random-xcor random-ycor* R/ |8 E/ u+ C" Z$ w6 q
set trade-record-one []
$ y8 Y) \6 S; o
7 I A2 J; U8 rset trade-record-all n-values people [(list (? + 1) 0 0)]
+ R; \9 Q* |& N- h7 g5 X! P F R9 u, N8 y4 g2 v: M# g3 e
set trade-record-current []: R9 S( S- x- {! K% [
set credibility-receive []
0 a9 I# {7 g' U* ^set local-reputation 0.5
; s6 {. J. X9 oset neighbor-total 0
+ c* G$ Q( j1 iset trade-times-total 09 f8 n$ o6 P3 l
set trade-money-total 0
; p" } x% {( |- O! S% K$ g6 Cset customer nobody$ R/ x S, V' }0 v- D& v' s
set credibility-all n-values people [creat-credibility]
4 P7 |% Y3 j" U# Rset credibility n-values people [-1]( W+ b/ C$ j e
get-color' H- T/ \+ j2 J* ^
7 u1 m4 X/ ^9 t8 F+ Rend! g* ?- v5 B& N* r
; E$ s$ Z$ m' e. [2 G7 j) ~
to-report creat-credibility U W2 \- L1 w% J
report n-values people [0.5]% ?" a) i: `3 ]
end
; e6 k! m9 ~: h S- p O! X; o' |2 n6 I/ P, e. O
to setup-plots
# D9 r& y9 H1 p. i8 D( P+ y# f, M* w; \, n( g9 ^
set xmax 30 x* ?3 m' ?7 B3 p" N$ K$ b' Z
9 k+ Y$ O% F( u& Q
set ymax 1.0% U! D. R( x. X8 C& ]
# r: _% I. r) C E6 o7 t2 H
clear-all-plots
$ e1 L# q* o, a9 Z5 Y; Z8 K' [ I# j( K! h5 P
setup-plot1 N1 b2 x& n+ M8 o6 U
/ \9 U/ Z( ]8 N, Y: e$ U! F
setup-plot2
6 ? K7 R, r9 F6 E: K' z; v" U- K, {( U' v9 a$ i4 ]# q
setup-plot3
5 f, t9 s& o, l' c, Iend
, c b) x. V' r6 r4 K3 i
& J. z3 B/ c$ ]$ L; l;;run time procedures
, [# D& B6 @9 X8 u0 \
% p! ~9 ]; }5 o8 N" v5 Hto go; A( J* a& D1 _4 n( J, |- m
2 l; C; Z* m S% v9 Z1 h: T- Vask turtles [do-business]6 x$ W, ?, e% ?, E
end4 }0 S* k, h1 n; S
8 N, A4 @& ~* e) F: S1 q/ u( s* Oto do-business - E; ]% O3 N) Q& P, K" w% Y
7 h2 c; N j+ ~7 F
3 q8 ^4 m0 U' Y$ y; M4 ? i- lrt random 360+ X* n# v, Z5 e
- e8 Q& n& h0 [. j) [3 S4 B
fd 1 M1 M$ F# m: |" s) K
, q1 w p6 z/ D& V# X6 T5 s
ifelse(other turtles-here != nobody)[9 E/ ]' o7 k0 D5 u/ {
. @9 A$ A1 O, t$ T1 [8 Qset customer one-of other turtles-here5 ^7 B) p- O5 b: E9 l9 ^% f2 j
1 X+ f' w8 b L. S+ m% d5 V C
;; set [customer] of customer myself" p; Z8 w6 S0 R' l% a0 H) B* U2 K# k
, m- k F3 G7 M" i6 r. rset [trade-record-one] of self item (([who] of customer) - 1)
# p2 i0 F0 a, d[trade-record-all]of self
- r Y0 O1 Y5 ?3 K8 b! u( n8 x;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
* D# z! Y- D ^7 G6 f" C9 V/ k6 V* c7 l) \6 V
set [trade-record-one] of customer item (([who] of self) - 1)5 A ]/ t3 Y. Z; _ k5 R$ u+ S& i
[trade-record-all]of customer
3 @( M5 ]$ d# m, J
# h! B1 p1 Z. W! J( fset [trade-record-one-len] of self length [trade-record-one] of self
/ p" v5 @5 Y2 c: `' n" T, w( C
2 P6 r$ g4 ^+ R+ b* D+ e4 Y0 a! ^set trade-record-current( list (timer) (random money-upper-limit))
e: e3 z$ h; e' h7 ~- P h. i- L# l. E
ask self [do-trust]
1 M* M2 G0 N' m9 |. |1 W$ H;;先求i对j的信任度( A* x& q( b, h- |& F! y
/ O* @' }. w c3 r
if ([trust-ok] of self)2 P! m& V. ?# P4 p" T: O6 b
;;根据i对j的信任度来决定是否与j进行交易[
+ Q, w) n4 J% _ D: R2 ]3 mask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself. p: E, Q; |) D/ m: b
5 |4 g# ]9 N* O9 z E[
1 `) d1 i5 n1 f6 U7 p# j6 S8 |
7 n" a! @0 i2 b$ ?2 gdo-trade
) i( \* c! |. y8 h2 ~ n
, H. Y( E4 |8 G" f" g- k3 I8 s- ?update-credibility-ijl
3 g6 m( R- @! }: U5 b7 c2 J
' c6 V& s- b7 z+ ]- Z' W% Dupdate-credibility-list2 g9 o( W' x9 ^4 h; j+ K
7 u( A/ d# Z1 V5 M6 h8 b# b# g/ ^0 E( W) j$ Q! q7 g
update-global-reputation-list
$ c8 G( P! R) |. Q
8 p. j$ `/ u; `4 k/ x, Q1 Lpoll-class4 G3 T6 Z _; [
- ?# M. ]- o1 P' O: sget-color
" i9 G# ]: G3 w3 H8 q
) J! n, R% R% G# H- M4 T- A]]
+ k% Y4 T/ I) s% d; \: ]+ {/ e: \( R0 ~
;;如果所得的信任度满足条件,则进行交易4 r* \: f. h& Q, u- W4 `
. ?. o) Y& ~0 o( e) q% E8 I7 [
[
% R* O! \- r& F
% ^. L& \) _+ V* Urt random 360
7 J% V+ D2 h9 k- a% V- U( O
1 k2 Q0 ]( B6 L1 K' Vfd 1
. G# K+ b' G% ^" N: u5 G
; [/ Z% a( _$ t# Z v]' |# N' ~9 Z4 x
/ N( K n2 _# D: \0 cend
Q4 Y. R, K# `' ?5 i3 ^/ a3 V1 a7 ` [6 h! l/ p( m1 M+ P
to do-trust 7 t- j! t% F" Z7 D# j l
set trust-ok False- A0 T* X+ S/ ?0 ?+ y7 F* W/ A2 @2 h
1 u# j' W* Y6 U: ~% Y
( G b8 A$ w4 U0 Nlet max-trade-times 0& _2 F# W" ~0 |0 ]5 o. P7 k6 @9 w
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]5 T6 O' \( s4 u8 ~- N9 S
let max-trade-money 0
5 p* V. B3 P' Jforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]( C: c! ^8 M) T5 Y8 v
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))$ [5 N/ A2 w: {5 ]1 r* S
. \( F* J4 @* R8 E0 w0 ~; w, `& J- W" l' s3 |
get-global-proportion' j+ I! p$ H. T4 ]2 e
let trust-value
( Q& i2 z6 Y! L5 g$ B9 Vlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)6 O% z. x+ N4 R" _- y9 U
if(trust-value > trade-trust-value): q5 j9 E8 g: J
[set trust-ok true]
. n) }% d# m4 U) c) j5 ]. Mend% l! |. Y7 \8 \
6 ?9 }4 I" |. c6 Yto get-global-proportion
/ E5 `5 K! Z" nifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
9 H- F1 n7 \. S7 l[set global-proportion 0]8 n; t! ~& i7 E9 u& c$ m6 i
[let i 03 Y! o% s% t P
let sum-money 0
2 z6 h% ~. a2 }3 h0 `) uwhile[ i < people]
- x* a- p% t* U1 P$ g5 D[ R+ y7 D. |: V4 H
if( length (item i
$ K6 r) Q7 x( T% M[trade-record-all] of customer) > 3 )* _$ k0 X1 }. X0 y @
[" h* c, g) S/ g7 [9 P0 ]
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
* U& }0 K( v" t y* ?5 h]# n9 s5 |* a, J4 [6 V
]/ e. T0 ^; h8 k+ C7 V2 F
let j 0
1 j: o0 M+ P) n" W2 V! ~9 Ilet note 0: k! i1 |8 S1 e, d8 C& Y
while[ j < people]
6 I/ G# `& z- L; b. ], w2 Z[! W {7 Z6 }0 T
if( length (item i
5 {# ~' H3 @$ i! z[trade-record-all] of customer) > 3 )7 t. F3 H5 z, j) w
[3 v& _& e" Y7 u! U) ]
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
* N% u- v- z* J' B[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]/ I# D* V3 j, E
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]) u' A: C1 S! k1 _" f$ y# p$ P
]; l/ F l+ p( H1 W( l% u
]
% C; \+ A8 N9 O. k, | u! C+ O' hset global-proportion note G' _$ S9 X: T3 L
]* v( b" `( k! ]( w
end! a2 W% B" t5 Z- q1 D
- v2 j3 P+ p. q" M
to do-trade6 ] M* l! B. s! Z2 S% [4 d1 I
;;这个过程实际上是给双方作出评价的过程" v6 c4 u8 C. Z0 i4 ?+ F, V& [
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价: F8 n5 H/ m' |$ G" L2 s5 V0 V/ e5 A1 w
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
9 Y f& `! T) f) d& l% xset trade-record-current lput(timer) trade-record-current
- ?0 c% U- b0 q4 _;;评价时间
' h9 Y# S0 J, b b, Oask myself [2 G' Y, N3 |; p* Y3 W
update-local-reputation
' ? o5 u$ L# `+ f0 `set trade-record-current lput([local-reputation] of myself) trade-record-current {3 y. `/ ~2 l9 Q: C$ f+ C
]
: V: N. J- n: P4 V# ~3 Wset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself0 p1 t7 F/ s& B
;;将此次交易的记录加入到trade-record-one中$ @2 O' H; n" o0 q) A. h4 [) `
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)! a1 Q ?( l7 H, S" `
let note (item 2 trade-record-current )" d) H4 U. e8 F+ \" u; _1 b: T
set trade-record-current
0 m5 o+ n7 W) C1 I$ q$ q7 O4 f(replace-item 2 trade-record-current (item 3 trade-record-current))5 ~8 T4 i! B( `& s
set trade-record-current
6 d' H2 S' n. p5 Y+ g(replace-item 3 trade-record-current note)
, \ Q( V# i3 A8 Q5 A6 m U6 J3 E# [% s+ \0 u
# N. j. Z" k/ C# I4 A. h0 m$ Lask customer [
4 F& g. f" e3 oupdate-local-reputation$ l; G4 e5 x8 h+ B2 ~
set trade-record-current0 G' D$ p& H" U2 J' k5 x$ Q: g
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
/ Z8 z! Q1 j) a5 [5 C# @]2 d c$ \0 i5 }
, T" W" k$ @6 }
g% w, [7 h$ C+ G0 K5 k' |( eset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
: |' G H/ h |- j, n% i' K
: U. q" v) D: l; `8 G: Zset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))$ w4 a7 l* V; `0 U7 i, J
;;将此次交易的记录加入到customer的trade-record-all中9 q8 C, f1 A5 a% j5 f6 I% L
end3 h X, R& w/ b
; d. f3 d+ c( P) Y" C
to update-local-reputation
1 y4 R9 q" |, |$ ^1 l9 k# ]set [trade-record-one-len] of myself length [trade-record-one] of myself
5 i/ R% ^4 `$ j2 L+ [% O" u
^! m9 W; ?# V# |9 J) K1 {# N# `& a7 a/ F0 h8 n$ y" J; b$ j
;;if [trade-record-one-len] of myself > 3 , |3 s! ]0 Z& u' g1 C
update-neighbor-total
7 \5 h$ \. ~" @* y0 y;;更新邻居节点的数目,在此进行
5 S: I, i) ]8 l- Z* n3 G( d3 jlet i 39 [* z5 h: \" D) Q& G6 F1 ^9 j' b
let sum-time 0
: B2 \- c# A* J: {% g0 ^3 c( M. pwhile[i < [trade-record-one-len] of myself]
# c9 K% F' x7 [1 l2 S' ~[/ T2 c2 \( y& j
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )/ D* H3 A# @( b2 I/ o9 X
set i
: E& f+ P2 a/ W: ^( i + 1)5 m$ n) n) X6 G8 b4 L
]* D* L: J) S3 T/ B- }. E" {
let j 36 ~+ m2 L# n1 l) j9 f4 z5 u- n
let sum-money 0
! u! Y! d9 t6 V5 G9 \while[j < [trade-record-one-len] of myself]
+ R( J G& Q+ Q5 r[
+ A I5 J1 q4 A# N2 k0 E9 pset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)+ r$ E7 d' n- q6 Z
set j
8 Y9 ~# J' C! O/ F. Y3 x( j + 1)$ Z: A5 L% K$ L" C* ^ i$ g
]
. |5 {7 i$ m- |$ {# V: |3 olet k 3
' z2 v: H' k, V) xlet power 0
: m' d* x# { K# I! { flet local 0) F* w+ E& D: B9 ]0 ^4 a# j
while [k <[trade-record-one-len] of myself]9 S7 v7 s2 R2 g& T& i) q) R
[* i) g0 F$ _/ {9 b6 r9 c
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) ' h! r; v3 e5 i0 u
set k (k + 1)( B; S3 X! u2 M& r
]$ A2 | m- o$ S3 m5 j
set [local-reputation] of myself (local)
. A y9 ]. a9 aend
) H q) G# c0 _' P* a: H: C+ y/ b4 L
% y6 S; {0 U. l; Kto update-neighbor-total
q% z d" T; F) Y% L" b
3 H9 L( q: ?0 r5 O* Yif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]+ p" R- t! x$ i! m& }) H& I2 k
' k$ `6 ^1 z" A3 e% E3 Y
& S( \/ P/ H& O9 tend
2 A: y+ G4 \0 J+ C4 m' \ p( m" J7 B
to update-credibility-ijl 4 k6 |9 Z7 j& A) _% G1 B* _" z9 M
: W% k" r: U$ D& t
;;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。
: J; n. {% U8 J6 clet l 0; u5 U! G: N; |( q" e
while[ l < people ]
; }- C) B/ M ?5 D9 f0 u0 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
- @" {% l: z3 s[
4 t* y' G4 X' |% I dlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)) [' Q' ?8 ?) i& |
if (trade-record-one-j-l-len > 3)
) }6 F+ S( R7 x[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-one1 A- F$ x9 s; a1 H% p$ h$ U0 e; s
let i 3" Y$ A: b& q q) X: C5 L, l4 h
let sum-time 0
( N( Y6 g) |/ U; |4 Fwhile[i < trade-record-one-len]2 M. F! h$ W$ H8 [5 I
[& i& w/ l" t7 W6 a6 k* q
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
' E- c" x, ?0 Z; X+ Iset i8 J- {( C& Z L$ E
( i + 1)
+ d% o. o+ o% p) K: v' Z]
1 E) _. _$ U/ E& v, Clet credibility-i-j-l 0
8 v: h! t4 w% s;;i评价(j对jl的评价)' {3 B# X* g/ d- g8 \
let j 3
( e& ]1 O: B7 y" S3 b+ U( ]let k 4
% I# G. N# B) ~, c1 I4 B) fwhile[j < trade-record-one-len]" n* z0 J% W- _: z- c0 p
[
/ \4 \4 u/ p1 s# q7 Swhile [((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
/ v( P) m# B' C/ |/ |1 b0 wset 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): ~( M4 f7 Y e9 v) d1 @
set j
# h/ d$ z" q% r( j + 1)
( E, d4 C* f$ B]3 o2 L) T7 ?+ q
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 ^6 o4 c* V! \* n- t) ^
* ]% O; H$ n1 F& u* }
; H/ s9 z Q2 { v klet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
$ E r3 K5 B5 _) ? M;;及时更新i对l的评价质量的评价
6 U1 j; [& A9 {( h" G. j% nset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]9 ^$ A0 v- }* v5 [ R- k
set l (l + 1)
7 p/ g5 x8 c( ^$ O u( x2 h]
4 B4 T9 s9 q/ G7 B8 R$ h) r# g+ kend" D5 y2 H5 d/ m f/ b/ w
2 W/ z% y+ x; @
to update-credibility-list) C9 l5 L5 F; P! i; O9 i/ U5 y
let i 07 T, i/ v4 a' T0 K4 \
while[i < people]+ D' C+ ?: q+ h. @5 I( y6 w
[8 o r5 E) m0 ]+ t" R1 F
let j 0
A$ m# q3 s; w$ W/ i7 Flet note 0
+ |4 {* U! o- M3 Flet k 0
8 s6 {9 e9 ]( w;;计作出过评价的邻居节点的数目
5 _. Y4 N9 z, a- n- rwhile[j < people]
) ]* c6 P2 E$ [2 [[# c. k6 I) N5 k2 k
if (item j( [credibility] of turtle (i + 1)) != -1)
3 C; f% P5 h) ]$ Z;;判断是否给本turtle的评价质量做出过评价的节点
% o! m9 m8 o0 ?. ^: j9 g[set note (note + item j ([credibility]of turtle (i + 1)))
1 o8 W5 ^+ O% r( U;;*(exp (-(people - 2)))/(people - 2))]2 @( C' x5 U/ F% D, @
set k (k + 1)) D, h* ]; K( U# M/ f" C
]
! [9 K1 L( |; i0 h7 ]1 Rset j (j + 1)
$ N: v% U u. [1 `% e]
" p) n0 E; q" C. e: m; j' Xset note (note *(exp (- (1 / k)))/ k)( z3 ^0 Q3 r8 R
set credibility-list (replace-item i credibility-list note)
5 A4 m1 p) C y$ U' sset i (i + 1)
; u1 A: ?( M" Q% e/ f- []! u0 m* F9 ~8 n
end: ]6 e" \/ l% U+ m# f2 H8 d" y
$ w5 b% Y; H! f- K% d( nto update-global-reputation-list
8 r S$ O; Q9 F( J D. Alet j 0
. p; j3 ]7 Q4 F# t. G9 w9 Mwhile[j < people], ^: p8 c9 G7 Z0 t$ k
[
5 _. D! a1 J! b5 I: \0 j/ [let new 0
. p! p$ n, \ Y) S' s V j5 p/ U;;暂存新的一个全局声誉
+ P/ T: w" e2 a" a: {let i 09 E& s9 B+ h& k, o; k! u
let sum-money 05 R2 A6 l r' z) m( ]5 h7 S
let credibility-money 00 Z) X5 c% f" y/ h J5 Q
while [i < people]4 z6 ^1 T4 x% N" t0 X% X( B6 ^0 l- K
[( e# }, K7 Y5 O6 R( o
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))' |& w1 J+ N J8 v/ H4 I
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
. i: J' R# {$ h6 k9 s3 y/ O1 Rset i (i + 1)5 \2 V( Q3 O- L
]
3 { |8 `$ n8 ?# R Rlet k 0
2 _0 [' b! v9 ~& V3 f, ^let new1 0
, K/ g0 t7 b% ]" Dwhile [k < people]( S3 H C4 b' V/ Y( Z8 o8 z& S/ z
[. B) r, i3 e) K' o7 j1 Q
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)
( d) D+ a4 w J& N3 M* K2 Vset k (k + 1)
8 K& B i8 Y; \9 Q" A]% x: n* g) I3 @
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
% l" o' ^4 D- t3 w, k6 Zset global-reputation-list (replace-item j global-reputation-list new)& G2 g$ J1 q# y+ [
set j (j + 1)
6 z; m, [, J# V. l3 K: X, A( o, D]% @' n" P2 g f6 ]; N y: I7 b
end( ] f/ L6 d- _' h
6 A* S4 V( U9 e3 E2 a
& B. P d( k. Z! E% J7 O1 ^. T3 I" J' S1 g
to get-color
1 w7 J8 G+ ?& ]& @ j5 t' H: s
8 T1 A" p0 o# F9 z2 _! Aset color blue
4 l" X. \, T+ K# x0 m1 P" Jend1 e( t) C3 T D* W. A5 i4 g
) X' e+ q. m# yto poll-class$ m5 C$ X7 G6 S* z2 U/ E7 f
end
/ @: N8 U/ p6 Z p' Y
; a0 s5 g4 ^$ z. Kto setup-plot1
7 E2 [, o6 A$ S7 H; V) ]
0 m, T# y! N+ ?2 _! ]4 qset-current-plot "Trends-of-Local-reputation"
' A/ [- q0 |. M8 a( W5 _5 Y: l1 f0 M( Q7 d$ |" w1 _( z- g$ @7 _2 B
set-plot-x-range 0 xmax. J5 j* b5 s" t2 z$ y4 x
+ |! T9 P) o% C+ V/ m# nset-plot-y-range 0.0 ymax3 {8 M$ c5 z3 @" _
end
7 U) O& m3 C+ l2 u: e; G( f# S) D' x5 |/ |4 b% A: z- H
to setup-plot2$ A. I- l: _( s( M2 Y
. C! Q) w6 v+ p8 o( N$ k0 [set-current-plot "Trends-of-global-reputation"8 f1 g9 R# }9 L/ G
% n3 A( q- L3 V
set-plot-x-range 0 xmax
4 z* P1 q4 p. |$ a% Q6 t% g2 U+ V; b2 F2 M% r+ ^
set-plot-y-range 0.0 ymax( m6 z1 m) x" } A9 H1 H3 X" q
end
7 \1 Q; F4 ?6 ]6 T& Q- x/ [7 T. Z& x6 S+ [. t
to setup-plot3! u) Y7 g4 w8 [9 |1 u3 g% K
- @' `- P4 s' J, K: v" C6 [set-current-plot "Trends-of-credibility"
- O; x" E* q& Z+ C4 c- z e& x9 u9 |. c; U: H
set-plot-x-range 0 xmax
$ l/ [' k6 o* J3 f6 A3 ]
. | x( i/ Q& @* {) P. b: ~) _3 sset-plot-y-range 0.0 ymax
$ C, ?% _; I9 {7 Iend
; R3 G: |5 S1 f/ g5 N6 e- b/ i2 s% _
to do-plots
, `% }$ D5 z3 Z8 ~, Q$ Nset-current-plot "Trends-of-Local-reputation"/ [3 `; K4 _+ S7 m8 ^# U; V
set-current-plot-pen "Honest service"( l7 X0 h1 \ Q) b9 k* `
end1 T+ Z" B9 w5 P/ x ^6 W* a0 \
1 u! i. X4 g4 e[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册
x
|