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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 L/ u; G1 m ~" w3 ]globals[
7 _3 s/ x! B8 G& }xmax
$ W% m3 o ?% [! f; }9 symax9 |8 s5 |: A B8 V( G+ D
global-reputation-list# X8 r% G0 I2 r, F# n2 u1 O2 A
- \; b1 t9 ~; F;;每一个turtle的全局声誉都存在此LIST中
0 D8 j0 d. e) P0 p1 A: }) ncredibility-list9 Y# m3 a0 X3 ^# G4 A
;;每一个turtle的评价可信度
7 ^; _+ }4 H/ B: Q! S1 G) S+ A# S; Qhonest-service
5 p1 I) P9 X7 c0 b" F' Xunhonest-service2 V- ?2 M* j( {& J2 m0 \
oscillation9 H! u% M0 i2 S
rand-dynamic& i8 J$ q, }7 K5 ]2 D
]$ k& G6 J, |* h B. h
" x6 P& {, ?+ G: O# \1 ^+ M
turtles-own[
* \+ c% L+ O- b. B+ ctrade-record-all! b l ]& W! c5 f
;;a list of lists,由trade-record-one组成0 ?8 M$ k' O9 ]
trade-record-one! B& _4 l3 h: A @9 X
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录+ Q1 q' M- o8 D! w+ D
" Z. x+ s5 O' V;;[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]]% r- }% F4 y: K8 i" f$ O4 i
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]
0 [5 M5 B2 o' T A) s, ]4 n i3 X5 }$ i& Bcredibility-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
8 y4 y( V1 ]+ P: aneighbor-total
2 M. G) [. Z) J9 k8 };;记录该turtle的邻居节点的数目
4 ]0 I% s7 m4 ?) Qtrade-time
# |& e# F) i7 {( m2 \;;当前发生交易的turtle的交易时间
$ V; ~- p2 M1 R# V/ e9 f9 vappraise-give. r: l+ k8 T; g+ ~, d6 S# L4 @2 G7 ~
;;当前发生交易时给出的评价 t/ m G& G# u1 J% R8 C1 f
appraise-receive
+ r" I% E& j- P;;当前发生交易时收到的评价$ A, X& O7 u! `* G" w2 I
appraise-time
- C* Z9 o& y1 K* l& y- o;;当前发生交易时的评价时间
9 K; @, I5 y# v' a7 c5 Clocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
# |9 ?& B2 S$ \7 Atrade-times-total
! m. i8 O A, j/ W+ t- `1 s/ @;;与当前turtle的交易总次数
% ^* a1 w2 J5 m+ e) }1 Etrade-money-total
8 x$ c0 v4 f( M" E8 X0 |;;与当前turtle的交易总金额$ @' v3 t$ t, M
local-reputation9 [0 v/ j- U/ g; Q1 J
global-reputation
6 F" [1 w4 T/ w8 F! |8 ?credibility
3 `: H% m* @$ m( v;;评价可信度,每次交易后都需要更新9 u: h/ c( f% J3 n
credibility-all, m, n! Z2 ^( n' J# Y
;;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
% ~4 x1 x! J) i8 @* ?' @' \- A% I4 s' O& H
;;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' M# g: q; }- I
credibility-one4 Z" N" R4 o# U9 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1 d* v! P& D5 H8 _0 ?
global-proportion
( i* n+ g* h9 A; _; fcustomer" {$ D2 H2 B8 ~ ?- m5 H7 y3 o: Z
customer-no
( r* B: ~' R! O% ~0 W0 c- Wtrust-ok
$ Q! W' T, W0 Y$ p3 k; itrade-record-one-len;;trade-record-one的长度
( E$ G# X; u: ?6 ~]: s. h; R5 ]9 X' q- O. B& b- F. H
; d+ _4 D& R+ `# L* E9 P;;setup procedure
" \3 | J" O* W9 k8 E$ q/ C( ]' p/ }3 i# [2 e5 w# U2 B4 j9 p8 B
to setup- L4 L9 `" W2 d) l
2 g. M; _. Q( c! a
ca
; a) ^7 x, r* l$ i; P3 n! V! z) a( c3 j6 w$ f: W* B4 s- k" @
initialize-settings# r$ k2 L- ?) D
, r8 v; R- E) ocrt people [setup-turtles]
+ H: D$ _) }# ]! p) S" N* G$ j3 K4 F1 ^1 `
reset-timer" v4 Q- ?* ^! V' Q- \
' F3 \* [* V, `6 S/ c# L! N8 Upoll-class% s5 J) b/ L4 [% ~2 @3 B
) k" q; A) g. \4 T* |/ K& d; _! H) Csetup-plots( |1 l# h7 S! C# O
3 z" r( O* R3 M8 `
do-plots! W. Y. [8 U: G. a, _9 U
end5 ~1 c8 U) p. O& G
) y/ {/ K: y- U+ K8 y: }6 R. o/ oto initialize-settings
: y0 A" o: m9 N! A2 {
g; R( I% g4 q. a, c, Z% f; c, Eset global-reputation-list []9 F7 _. g5 Z$ M
; g2 t$ g& f! T! A0 c
set credibility-list n-values people [0.5]
2 E8 d0 M# z3 v4 q3 J# e- [1 y1 d
o! Y) B4 j' b A+ Rset honest-service 0
1 Z: D8 F, P! W8 s1 b( ~! x- J0 v' D" t$ p& f/ \4 {7 @- u
set unhonest-service 0
3 q |( d+ u8 J1 ^
+ `# s1 M" k& X% C6 ^7 hset oscillation 0
% L: g$ x1 g) T( Z% p2 z
0 M6 y1 R) Y1 u0 W0 u3 l0 Mset rand-dynamic 0" H8 {* r# P9 W; h
end
% X$ e2 {* C& o, @6 o4 @0 z1 t5 u$ Z& Y; B5 f& A6 C& W
to setup-turtles U: X' }3 L# d$ e. D& c L8 ^5 b( `
set shape "person"$ I! M7 ~! L# r1 ~8 R" W4 e
setxy random-xcor random-ycor
+ ^* K. g3 \/ @+ P6 \set trade-record-one []* d8 |4 U7 k+ W6 h3 w' b# c
+ `6 r2 a/ G1 [# N4 d6 h+ R' Y% ?8 Kset trade-record-all n-values people [(list (? + 1) 0 0)] / q6 Y, K. N& [# ~: }1 U% t
, ~) X/ n$ N4 n& S% b& bset trade-record-current []
( f0 L! ]* D$ r- g* M4 j/ f* Oset credibility-receive []
3 T7 ]8 K0 r9 i5 lset local-reputation 0.5
* A0 T; o S: J: P) c/ Fset neighbor-total 0# c) j6 v1 Y" W; D' S# P
set trade-times-total 07 V- M, ~0 w, L& g
set trade-money-total 0
/ t- S, c- q$ L% k9 Zset customer nobody
' u E/ {) R0 t- _0 c5 M8 [- S! Rset credibility-all n-values people [creat-credibility]
4 u( H* |2 H) [ W7 Pset credibility n-values people [-1]' _8 e8 b4 W4 E2 _8 T; V
get-color
2 ^1 A3 ^' o; j' q7 r& k: \* d2 W, n, g" @/ y# s2 d
end
$ n* p0 a# A( q+ K4 P% x. [% z' X m' f: {) ~6 @) m
to-report creat-credibility- ^! }% @2 I2 T; A$ |
report n-values people [0.5]
) j0 h/ z3 Z6 [end6 c% Y8 |) a0 l% W$ ?6 U+ ~4 n( t7 ^8 [
. \3 A0 V, i7 _& y
to setup-plots
/ `1 f% H, V/ k/ u l/ f# M! G& |( [. M
set xmax 30/ A% _- s8 a P( c
7 ]. ^$ e3 e7 l+ D% a/ \set ymax 1.0( a, ~0 [" W" R
% l$ U3 `. |) W/ I+ \
clear-all-plots
7 D5 S8 F5 ]% }; Z
/ @: i9 o$ I% [% }setup-plot1
8 f" ]( M. v0 Z3 i# u; R1 ^0 ?/ o" ]0 L8 {' k0 c2 a
setup-plot2- j1 p* z+ f# o. ?2 D8 L5 d g( i2 j
3 v; v% m1 ?, I/ W: r/ Ysetup-plot3
) J, i+ a$ K, b; A( {end
2 @6 D, i) U! }& N+ M" u! _
1 \0 [, d% t8 ?9 r: Z;;run time procedures8 n: s8 J! N6 M5 l, Z
3 G+ ?1 r# [+ E$ N2 m8 F/ H# Ato go
5 O3 c% h, X* U# [: d' o, i7 Y5 o& L. w
ask turtles [do-business]6 i. Y- A( Z1 ?- V: P& J
end
. f- I p% ?3 X& g+ K' [
$ e. p9 H3 @# j7 q1 @1 Xto do-business
3 y+ R3 o) H; d7 f5 L6 y @# s; d1 t8 S- R1 G2 d8 p
+ Q4 I& v' e; v5 grt random 360
6 K" \- B$ |( r- g# ?; J$ { }& \( R6 v9 T! K
fd 1
0 ~! ?9 ]0 U7 [7 @' r; `0 H. @$ q1 |; Q
ifelse(other turtles-here != nobody)[
& \- Q, I, S& K# A& q0 y& x; S
set customer one-of other turtles-here
9 f/ |) a" B6 z, T1 [) y# Q3 \4 R. l+ Y1 y
;; set [customer] of customer myself( F7 g4 Y5 d" ~
4 t1 P( d, O% A- H1 Iset [trade-record-one] of self item (([who] of customer) - 1)
0 j1 ?3 T1 @7 i0 m% Y! J) @[trade-record-all]of self4 u! w' X0 i& s; z, }" {5 N; s7 t" ?
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self# k* o$ h& J. |
1 X! X# C( |2 L9 m+ Uset [trade-record-one] of customer item (([who] of self) - 1)5 g( ~$ P+ B; P" O4 B
[trade-record-all]of customer5 M% t% w* {% U% F: I; k6 q
6 t$ u& O8 u" w2 Dset [trade-record-one-len] of self length [trade-record-one] of self
" b# L& u. w! V; h' e
1 M+ W5 V" _ l; k( K0 ~" Gset trade-record-current( list (timer) (random money-upper-limit))
, C9 t/ U4 [# }( D7 p3 o# B% o1 m" K9 J' y. s
ask self [do-trust]. F# s! V7 y8 ]2 V
;;先求i对j的信任度
4 a8 x6 I4 `' d3 @4 `+ j3 X' ^# k+ v# y# M5 O
if ([trust-ok] of self)
6 P/ O# h! C( i4 z ? V;;根据i对j的信任度来决定是否与j进行交易[" ]1 D: M+ p$ R5 l- y7 W2 k
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself8 j: k1 _7 ?0 D" s0 _3 j. v# l! Y1 ]
0 N+ A9 t$ C: t: |7 x[
% M- ]& Y% s+ v3 H$ A" r$ Z; A9 T
C- a* x2 n, R/ I4 _. N. E2 rdo-trade
* `9 Z3 x- d* K) y4 Z+ A- [( |' ?6 |/ x0 c- a: r7 I
update-credibility-ijl
0 V0 y9 z& H0 _
# {, I2 L& u% c/ ~7 W Pupdate-credibility-list
) N: `( z/ J$ Z# i1 E# L# }3 T- e$ G- \& O2 O( {
- q. _ _% S* y3 {3 j9 E9 n1 tupdate-global-reputation-list, i: F- Z& G* T1 n# U
6 A% z$ O4 {& E
poll-class
( d$ y0 e- Q3 q$ L: `5 B) J) A/ D9 @+ _1 a/ c1 G
get-color
' g# n0 u0 P# W1 Y
+ ~ m2 v3 x; x2 m8 B]]
! A# C8 J: j9 I
4 [3 H9 l/ T: C;;如果所得的信任度满足条件,则进行交易
7 {2 Q7 L' [! C, k
0 ~, i* l" l7 g1 ?: [[1 q, T- k8 c) @( D
4 {9 c% `+ ]6 H! ]# `2 w6 \! U
rt random 360& `" V# X7 v" X8 m9 H. P* P5 ~( A* `
* |) T R( e4 K; K: {& X) W' [fd 14 d1 q% k: j/ b* L5 ]
: Q3 m3 t, f# p$ M' J
]. y+ Y3 u G- |' F4 x. i7 P) _
9 z* W1 U6 r. B y* C/ f
end
4 l4 } D6 C+ c$ k! ]: T! [. _6 _% e) n! o
to do-trust 9 B& `6 B5 r- w' @6 q' x
set trust-ok False( z6 X! r& e4 |+ P$ e# E4 |
/ x+ o0 w$ |/ j0 d& u q3 L, D4 |3 z" e8 b/ h
let max-trade-times 0
+ ?( {( ]/ `8 zforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
+ l2 U9 g& d; I3 r1 \/ x) }- P9 Nlet max-trade-money 0
- _! f& ^. p6 g; k2 ^$ C9 [7 Jforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]$ s: Q) h% ^' p' ?' X8 U9 B& N" ?- 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))! K; y% J! Q k! i& \
, R& U+ Z$ t2 w6 V; p4 \( c
/ B5 e- D6 Y( |; q! M' _( [
get-global-proportion% _& s! e. w5 w; w" A1 R
let trust-value! w: B; r9 T# U; C, j
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)+ V, j2 U# Q7 l2 Z1 @9 |
if(trust-value > trade-trust-value)# E) {5 N+ O" D1 ]8 `0 \, |3 s
[set trust-ok true]/ K V9 ~ ^5 S" d' C: b5 R0 ]9 s
end
; k8 S3 M: h+ l( y1 M4 g' f; h4 z. U1 q; @9 X
to get-global-proportion
) M- [6 D! A2 r( Q( ^ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)) r0 O: s/ \# g5 c8 k- S+ R# Z
[set global-proportion 0]
/ A ?/ y' t/ @[let i 0
8 G( O% Y5 R7 O/ D9 f8 e1 tlet sum-money 0
% G) ]/ n g; h% ?+ N6 l/ Gwhile[ i < people]6 X( N! j1 o, Q7 U5 u! G# K3 i! v
[
6 |4 }. P" Y& k: v4 ~if( length (item i: N) b, ^7 e4 m& k3 W
[trade-record-all] of customer) > 3 )5 Q0 u; N2 ?' A# j# N; J
[6 k. y; Q; T5 z; ^6 {% W! _
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
; c/ L( N% w( G. I& J7 x# G]
( d" j; q: R. ]/ ~8 [0 w]
0 T2 i1 W2 o; }( V" Y& Blet j 0
9 d; B# y5 W4 W+ Plet note 0
: s: v t/ K* S W' Y4 ^while[ j < people]1 E( I- F0 h4 Q, V4 f% \0 Z
[
^% X/ {; M& b5 d2 `1 X7 Dif( length (item i6 |- c7 H* m8 o' }# K
[trade-record-all] of customer) > 3 )
s( J/ e. V& L* b6 _2 g, X0 \[
0 n ?5 |$ {# zifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)) r r% P0 z3 x/ _
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
! e! s; E. }) w& m1 j/ L[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]9 U) L1 r _) r1 V( ~* h
]# L$ l, ?) ^; T6 `: F& B2 y1 |
]6 c) s" f$ W; o8 Z0 P
set global-proportion note
; l3 W. @* q0 y! K5 q2 r]
/ |% C2 C0 Z6 o0 F3 d0 b( ~& Z5 T+ `end
! _+ D0 x5 f* N) f# c+ t f( s: q1 a: ]% A& e9 \$ m
to do-trade
' \$ C8 B! t* ?$ Z" W8 ?! t* x/ c;;这个过程实际上是给双方作出评价的过程
+ a7 g$ U0 P0 C7 p# |7 xset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价5 z0 L. c! P8 V0 V" O9 d5 S% g, W
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价 g8 G$ w+ D8 n) i
set trade-record-current lput(timer) trade-record-current) D* F4 m. j1 W
;;评价时间" U( h4 _9 W1 u, b
ask myself [* t, y( _3 _$ o; L$ i0 K4 V/ X
update-local-reputation
( g& p% ]6 Q O7 ?set trade-record-current lput([local-reputation] of myself) trade-record-current B. }; r+ w, J- n
]
2 U' L( X" A$ k. `5 Bset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
1 e7 T4 V' q) Q& @: S4 c2 {;;将此次交易的记录加入到trade-record-one中6 a% j: e: G p5 ]( E7 O$ b' g3 t
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)$ P7 R$ ]7 C1 |5 M7 d
let note (item 2 trade-record-current )
! j" p+ @: s6 q9 g, I% C! Oset trade-record-current) u8 z* s/ U5 v( R0 S
(replace-item 2 trade-record-current (item 3 trade-record-current))/ Z$ u7 d* _" L9 s Y& M
set trade-record-current" j' V0 H2 w4 a% W, G. {& F
(replace-item 3 trade-record-current note)
: n! z& g" M0 U; f2 e" ~3 K4 B4 F% n) G/ S4 p
1 {$ W# j: J# ?8 d! W2 Vask customer [
# V" a4 S6 I; }) s$ r! O7 @update-local-reputation
5 Y# I& F, j* N9 x, l3 Iset trade-record-current
1 g i0 r H) Z2 b(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ( q5 M9 Q- k) u" W3 T
]( ]) d5 H! p% i/ ~ I; U7 i- ^
% p( _7 U2 \2 e* p' g* X- {# Y c" H. z1 c
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
! r$ R# o1 n8 t9 b* D! u9 A c2 Z+ p+ E- i7 A" h
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
7 D$ D, U' |5 S. M;;将此次交易的记录加入到customer的trade-record-all中
1 y$ W! o! \ @, h" |' Gend. e; ?+ r* P) b) z2 A
2 n! W3 r. l1 P7 I. k
to update-local-reputation0 V2 Q% H; R0 W% j
set [trade-record-one-len] of myself length [trade-record-one] of myself
: W q8 W! T) V: i9 Z+ L& M
/ b7 b& m5 ?7 Q! R, X" X) v
9 X& v/ b+ }6 H;;if [trade-record-one-len] of myself > 3
4 u3 W: a. x. C/ L7 eupdate-neighbor-total X% l" [8 ~: C2 ]1 d6 s% }! B
;;更新邻居节点的数目,在此进行
3 N0 O, j) k& \ g# X" ?, Jlet i 3
- O' y' M' c) Y1 @4 flet sum-time 0* U) N& r; b2 L' {9 J+ R7 O
while[i < [trade-record-one-len] of myself]
8 e' }2 L2 T. K0 C8 O4 X[
' V' B7 F% t3 ^- p3 l; Hset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )# U& u k3 O; X( I
set i
+ q" o- X1 F) ~3 H6 w( i + 1)/ W" e: l. \3 W
]
5 [9 i+ r6 }4 L* e5 P& Mlet j 3" W8 b% Q/ K/ `) |$ @* o; b
let sum-money 0
) s$ i' U" o& V" ?- hwhile[j < [trade-record-one-len] of myself]4 F) g" \2 @$ \/ | P4 a2 X9 k
[" l" P k7 D0 z" ]5 }
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)" J8 s! O% {5 _9 S/ D9 z
set j
" ]1 c$ ~1 E( ?6 V( j + 1)
' n. b# k' C) O! K. Z3 ?]
- U3 Y4 d2 I g8 G* G7 {& Wlet k 34 h: E+ M2 q6 F2 }4 G
let power 0
* y/ x0 {% N' k! v! wlet local 0: F$ o& a6 [4 L. R3 w
while [k <[trade-record-one-len] of myself]
6 f! f* \7 W9 F3 a$ n+ W; f: G[
7 b9 z! J, U: lset 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)
) z% b e- n; m) {' A) oset k (k + 1)5 L" @' h6 X( t+ [& o# d& M
]2 m7 }' N B- w9 u) w
set [local-reputation] of myself (local) Z! z1 H; \+ c3 I2 t+ Y; C
end" y, T: D$ R$ l
7 R9 c. z( I+ f1 n4 T, F+ P0 ~3 d- Y) ?to update-neighbor-total
4 @7 Y- f+ y) y! `
# i5 a( a8 d) L, Jif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]6 z0 P( O, T: W3 X3 k1 b o" s
4 U1 N3 |0 ^. `
2 r6 y1 s# {$ aend
7 b" n6 }! C$ V" c, V) P& @: g; q
to update-credibility-ijl
3 w R( b, I7 x) S7 i. a5 o+ `; X ?" F
;;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。
) H+ Z! Y0 h3 g, P- jlet l 0
1 y! u5 t g; w" Wwhile[ l < people ]
y. V% J; {* s; v h4 B;;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% d' T7 L# K; w& `' W
[
5 l' l N+ F% a" r" Plet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
. A* }. F$ r6 q: C+ dif (trade-record-one-j-l-len > 3). T$ s3 W! F) b) e/ F
[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
1 z s5 P% n+ H: ^* e6 d4 ^, ?; hlet i 39 `) Y3 m! q) d1 b0 }5 r) L
let sum-time 0
1 B. s9 ] _ ]- e8 b. f: H- I7 mwhile[i < trade-record-one-len]
, B' U' Z. A, r[1 F: U* z0 `* P6 a2 I
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )7 }! t0 J8 e; K! _
set i p6 p5 N. g3 i$ U
( i + 1)& P5 W7 W# p. V
]/ a% _0 k* {7 ^- h6 ?" C& K
let credibility-i-j-l 09 I8 O& z' `6 G: Q
;;i评价(j对jl的评价)
% }4 E# S. j6 T( \; h4 p6 \4 x3 qlet j 3, y; g. n: n9 K8 W7 u$ k: I
let k 4
+ W1 Z' k! q- b0 j# g3 ?6 Wwhile[j < trade-record-one-len]5 c5 z/ {- `& a# e0 A5 K) T! |
[
+ m3 J- v; V3 B5 Q* E& [2 N5 jwhile [((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+ s4 n" H& B8 O2 {8 _3 ~: ?, t
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)2 J/ Y1 u0 F4 h9 q" T
set j
8 P: m0 ]/ ^8 M% h. h5 V( H- F$ [( j + 1)3 y" A& k8 x4 h" h9 V% i/ h6 R( G$ t
]
4 w1 u7 N( ~% \) t9 ^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 ))
# N" ^$ M4 m" t/ `
; T8 J; {1 d# x5 y0 U: O5 c, B) Z0 U' M# @2 u7 a
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))2 d& L0 p3 F o& k0 u4 w1 a/ s- B' g
;;及时更新i对l的评价质量的评价* Y& q9 ^- @5 _0 B `
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
: E- Q8 c1 i$ Fset l (l + 1)
; T" {& o8 J; E4 N/ T, O$ I2 t* m]/ l" R* b/ K# `7 [7 u0 G
end% C! w8 A3 { Y5 [. d1 ^ }8 U
. Z( v3 Q% X! }1 ~2 y/ G3 m" e" cto update-credibility-list
: y7 H( s' r2 S$ f! [% O1 F3 llet i 0
3 }2 E/ K l; K3 q: }while[i < people], y5 T3 I9 P; B4 |6 B$ P0 g- J9 v' J; i
[3 O& J. L8 t, c- {( p
let j 0
6 y* k& V1 o5 J3 K8 ]! y0 A wlet note 0
, k P$ k8 W; v, r. Xlet k 0+ I% f3 k4 Q5 \! F& y1 a" l
;;计作出过评价的邻居节点的数目$ U' z5 ?+ u! l$ H$ Q
while[j < people]3 S3 G7 ^% Q! ~) m, F) [ B- g% n, w
[
" Q& s% |7 C& i& \7 d" bif (item j( [credibility] of turtle (i + 1)) != -1) N- i" l* ~, M! | |. w
;;判断是否给本turtle的评价质量做出过评价的节点
& W# O4 e' P$ b, d+ `! |[set note (note + item j ([credibility]of turtle (i + 1)))& }" S" H" C5 ]. K( x- p
;;*(exp (-(people - 2)))/(people - 2))]1 R! j" c8 j+ X- T, s1 s% Q& V
set k (k + 1)) w! Q6 N# W I1 |- d3 F
]
6 Z: W8 W/ P) O* F. f0 C8 fset j (j + 1)$ J$ _9 S2 `- ]6 ^$ Z% P
]
# A& D. d' {9 z! h6 k2 Oset note (note *(exp (- (1 / k)))/ k)
& {& V" Y* E, p9 F8 ?( iset credibility-list (replace-item i credibility-list note)0 L) {8 Q- p: _+ ?- k# J
set i (i + 1)% h; i3 H* v3 m( W+ K
]0 r0 m2 W! R" E; N/ {$ @3 _
end9 y1 S0 {! \, @* |
% F2 r: _: t& @to update-global-reputation-list: m- }* [1 J+ v* i; k0 J
let j 0
- c! V; m% M, F5 pwhile[j < people]
+ B' a( n) f. A7 P$ ~$ P+ F r[
* I. W/ c7 n6 V# I$ N8 D3 Ilet new 0
* b7 @& Z; Z: ^! q! v, u% v# y;;暂存新的一个全局声誉/ c9 _% |3 G4 r6 T
let i 0
2 ]. g5 W7 i( Z* j5 b) z0 ulet sum-money 0
2 _3 v/ W. z- J8 o- L5 hlet credibility-money 0/ Z( ~& R$ o$ F7 N
while [i < people]
5 A. t! r" @5 m4 w7 |[1 @6 z6 w: Q) n9 F, k; j2 Q" w& ]
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))% {7 _: ^, B& ?
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))! W9 h3 ?! ]1 }" k3 f! t5 n
set i (i + 1)
$ y @2 \% v+ K]
" l7 Q7 D# I# q# olet k 0
6 X' W# k, \ H- rlet new1 0; p1 T$ b, B/ C) W2 |/ @
while [k < people]
2 Q& n7 ]2 e$ q: c! L' x$ I- s[' P) h) `+ n$ ^. z n8 o- D# u
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)' E' N: h" j3 U! n
set k (k + 1); n0 l) l) s0 l( O* m/ J
]
( Y V2 ?, U* M% V& R# Zset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
Q3 [6 p1 ^ dset global-reputation-list (replace-item j global-reputation-list new)
7 T6 w; ^0 n* J) _6 Bset j (j + 1)
6 r x% i- ?0 c w1 x1 N6 q; G]
& Z0 E2 e& C/ H2 _end
4 G& Y( y: \" F$ k' a* w) l, i4 Q; ]4 z( m1 o
+ @4 i1 k# ]: V5 Z
. w8 U( O6 j/ E2 P
to get-color
5 k2 N% T B s7 k$ l: a- P7 n8 b# o. i& {! m* k
set color blue
0 u5 v5 N0 b' }/ P; ?end) [/ H% {' R: ^! F, k
5 Z7 C8 I$ C2 q! b- [) ?
to poll-class6 b. _# v3 ^3 X, K
end) J/ n$ w5 K3 U6 {5 q
, G/ n( M E; y" a3 j# W7 f
to setup-plot1
+ A: l" s& n. P; N
+ Y1 ~+ h6 j, ^4 k- ~8 n. b/ Vset-current-plot "Trends-of-Local-reputation"
- ^( ?# [& {6 _) L7 N" ]1 b2 [0 W5 S) @. Q7 A
set-plot-x-range 0 xmax; s$ q, V* f5 U1 M- X$ S
+ u! A7 a0 ^: N6 V" _7 qset-plot-y-range 0.0 ymax/ J: {( f# o J5 K& S) A& @( v
end
! z7 F& B) T# F1 d4 W6 W% `# @6 p8 q ~! J9 V8 z
to setup-plot26 y& t4 [1 M* C
8 y& d6 E# k& q6 B6 T- {set-current-plot "Trends-of-global-reputation"/ ?) _* {& h% C, L6 j' G
# U: r- |. b9 y
set-plot-x-range 0 xmax6 {5 G5 n9 m+ b. P3 ?+ h1 v8 Y* U
) ?# c S. F6 i' @& [ Iset-plot-y-range 0.0 ymax
. N' F* f- [- M: C* Cend' y; Q7 m- s9 O
, q: S# ^ P. L0 l! [4 Bto setup-plot3! x3 T' {% |1 A) s4 z
. M6 k4 v# \" U/ Q+ [1 J9 \set-current-plot "Trends-of-credibility"
/ J& x ~5 i, @% x5 x
2 `" I% A: N$ @+ L z8 a. f" Tset-plot-x-range 0 xmax
% c* I$ j6 [) T' j9 r
: ?* y; w( T. ]5 @1 ~set-plot-y-range 0.0 ymax6 Y6 K5 [) z) C. i
end
' j. W# o+ j) \# U- ]* M/ v
" v1 S( v. m8 w3 W" `1 _0 m. Z z, Bto do-plots- ~; P0 b' ?- x1 I6 @, U+ a' {" A3 C
set-current-plot "Trends-of-Local-reputation": _5 b9 f( a* \1 U
set-current-plot-pen "Honest service"3 H3 E- \9 Z5 g' q
end
: P k, \* r! S, [& a+ t( d. Q& e" H" m- j' `" N3 {
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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