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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
. A4 I' Q8 j4 ?! r" v* s5 qglobals[
* x# l8 A2 w4 D" Txmax
- X/ U" y4 }7 O1 Z9 D% g( ]; J6 i+ v7 fymax
$ ~- G3 r |: W# pglobal-reputation-list* P' ] L* n, o f
8 M" Q. o+ N: @3 l' z3 ~;;每一个turtle的全局声誉都存在此LIST中1 N$ A! `. X1 x9 i. ?1 z
credibility-list, W+ @7 D3 _! r3 ^- n6 A
;;每一个turtle的评价可信度8 v5 S6 N4 ]3 t- A
honest-service
5 [ |6 m' W7 Y' Bunhonest-service2 |9 V& q) ?, _4 V
oscillation
- @& j: w0 w& o0 d# O& U* _rand-dynamic
2 Y% [) m8 a8 g- w. a( e]
7 y3 j7 H) @) u! {0 A- v% M x
4 H3 y* f; J4 dturtles-own[$ L7 T" Z) t* O
trade-record-all
# n* [5 ]' r" T% a8 {) ^' Y;;a list of lists,由trade-record-one组成
0 E( ]& V: e! D; G: S- W4 dtrade-record-one8 K: g- a7 |5 r7 g
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录: K$ [$ W W0 b6 Y: Z
9 H* F5 F+ f4 q" m) j! ~6 H
;;[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 S* b% b* }/ q, Q- w8 `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 G+ R$ D1 q& L' J, q' w
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list6 x( j' R' ]$ e
neighbor-total
* ~0 S7 k0 O% x;;记录该turtle的邻居节点的数目
! |/ e4 e' t! C! A! E. Wtrade-time
9 l4 [& [" H, \1 D3 |! @2 m: ];;当前发生交易的turtle的交易时间
3 R% I/ s& P; iappraise-give
! g/ h8 C3 E& f# E;;当前发生交易时给出的评价
$ y0 z! ~; z! f9 O2 |appraise-receive
' R3 ~6 O% w" N2 ^- w;;当前发生交易时收到的评价9 B! M( \ U7 N% }6 L' I
appraise-time
8 W' g" |1 C2 p" K7 X$ o+ M;;当前发生交易时的评价时间
3 c4 [) K% {2 K" q. X4 Vlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
( Q, `& n8 d3 v) vtrade-times-total
]( q' o7 I: c$ c! k;;与当前turtle的交易总次数8 X+ n p1 @; c* J; b
trade-money-total" I. m5 e3 S! J+ W6 A5 W+ T
;;与当前turtle的交易总金额+ W" R5 S% l/ x. c: N0 E: y x* E( h
local-reputation1 f% j* S4 e& q* U/ j3 ^ j
global-reputation
' f5 f9 E& B# M$ p7 B/ ~% @credibility& ?) x$ ?" q. \, C% T( I1 {3 ^# R
;;评价可信度,每次交易后都需要更新
- s- \6 E% |5 O3 y3 T7 `0 Icredibility-all+ I0 [! H& V1 K" a
;;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
# c6 a$ i# w; g3 t K5 K4 w J; k" R
;;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) O5 t" T3 ^8 j' Z/ Z9 Q5 i
credibility-one
6 _" D: `; I( `2 `& i;;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
8 {( i6 q1 f( P2 t3 I( d8 |global-proportion
$ ]/ K- w; p0 p. }, M; H* tcustomer0 _1 B8 @1 N2 ^; Y+ Q/ B9 m
customer-no! e5 Q. `; B; M1 _+ S1 q
trust-ok
" A7 R$ L: y. ]6 G( [* X+ Otrade-record-one-len;;trade-record-one的长度4 M* C4 n0 c& E% E0 w
]
/ v, M' t5 f0 r- g/ s/ X
% y c, O1 L6 c- `4 N;;setup procedure f! T9 z: N# u9 R- f5 a7 S/ L$ e
- u! S# c1 f* V9 h4 bto setup+ h+ Q# g9 }; D* ]( C$ k
% J. Q' S; I- a3 Ica
! m" k6 F! c/ K( m
2 q* w- s) T& R$ ~ s0 U7 Winitialize-settings
1 |. S) m& T) @# _& a Y+ K" X) }5 b6 g# n% ~% t1 Z5 U
crt people [setup-turtles]
6 c" w2 Y$ e: g; \) _+ _ b9 D, R, J j: V+ B
reset-timer
4 s& R: _- `/ u# k. C4 T' U/ T, U( M8 U, x' K# s
poll-class
8 r5 _, l! o. v' S4 i7 ]& m0 b$ e! `3 o% \
setup-plots9 b4 y% q0 e! Z4 N
" U1 r/ J( [9 L3 |5 z1 @do-plots; `1 a+ f! x% x2 @$ Y4 H
end
) Y7 B) X5 `8 x% E$ H3 o5 v
5 a* O& j& t1 g2 Vto initialize-settings
7 q: b9 O& n: B, [4 s
% ^ F6 h. \7 bset global-reputation-list [], Y/ _. O: x3 r- _' s: _) |3 e
; E# ?9 K: b* hset credibility-list n-values people [0.5]
* a& r$ E9 }/ n7 g6 {
4 A- _- k5 E3 ?) Q+ M* e3 n {set honest-service 06 A! W1 v: t1 |* m
( g( }- L- k9 k" x; h5 C, Q
set unhonest-service 0
/ {/ W6 G2 Z% A% D
3 a Y% h, ?! Z' ?2 g2 \5 aset oscillation 02 M/ k( w! A6 D; t1 H# W
- V4 v7 i8 x4 o
set rand-dynamic 0
) k# j$ A% l8 ] r, }0 fend
, S! U7 y8 p2 u* J0 }2 d) x/ l, J9 x
6 W" ^; K: u# k( |3 K0 jto setup-turtles
, b+ @$ g' i, d( z! {: M* wset shape "person"
( Z8 M( p3 {$ P8 M* I7 S6 K6 @setxy random-xcor random-ycor
! ~: U! v1 l5 jset trade-record-one [] p% \. J# T, A: i9 I7 e- C
+ C1 v8 f0 d) z8 G% v
set trade-record-all n-values people [(list (? + 1) 0 0)] 4 h2 X% Y8 ^" @4 _" B
: Z* C& M1 h+ e8 O8 J, W
set trade-record-current [] _3 d* m2 _1 x- u
set credibility-receive []
; R' J/ I- _6 ]1 j! b1 ^set local-reputation 0.56 M5 U9 j; k7 J4 l' Z3 c$ o
set neighbor-total 03 @ I5 |/ N$ p7 N4 Q8 s( i
set trade-times-total 0
7 Z4 g# F9 }1 o) l: [6 qset trade-money-total 0
3 e7 k2 ?/ f4 y1 J8 [set customer nobody: R0 A$ r |7 b3 N A6 M
set credibility-all n-values people [creat-credibility]
+ C9 m" J; X; X. V1 ?set credibility n-values people [-1]
9 c8 J+ X* O, r! N4 ^ Lget-color( P2 Y- t9 r& ^) ^. @$ a
# u& [: L d% q
end
4 h5 @0 ~3 Z& z5 [; F V: S7 R
: h; E7 W4 _5 H( B L; W- Q1 n6 ~) [3 Uto-report creat-credibility
) a4 `& W @7 K1 s. _9 W6 q0 nreport n-values people [0.5]% c" l+ b+ V; t
end
! e, r' E: |9 o9 b! x& N, W
; Q3 h' S" w1 |* d$ b& dto setup-plots/ q' K+ k9 |: W' e( X) G
+ [- Z' n/ B0 E6 K+ ]" V
set xmax 30
: ?3 W+ w$ z- a- Z/ I! v! I: Z9 b9 n! k$ Y8 N( ?% x! T9 f
set ymax 1.0 F% u0 O3 h' d2 ]% E5 q1 n
% i* ~3 Y- p1 U1 q8 M8 [
clear-all-plots
" m% O) q7 g2 f7 m, x& S- ? o
0 G" y. v# s J; ^% X! o J8 N+ K, M4 |& ysetup-plot13 H4 l- H: |/ F" m, U, u
9 a! C" Z7 K7 {$ C, i
setup-plot2
# k. I5 c p% A, k6 A: j) E% a2 q2 {- z' E* I# A, R6 E7 S
setup-plot36 M. e% V6 v" f$ V, D; m
end2 G' {; ?9 d: M( X/ X3 {
8 @0 |& W9 v) w% u' K7 u. Z8 v0 A;;run time procedures; M' p) x8 d" ?3 q! N0 W
# u" l% r/ X- J$ n( Cto go4 z) g, Z" Q' q! ~! ~. Z2 S+ K
( t; w' p# h1 L/ L# q- v5 m
ask turtles [do-business]; e7 v4 h8 @! ]# s3 k/ w) h- D
end
" {0 X0 Z% F$ K# O: ]! `8 M
$ {: i4 @1 D3 k9 G0 d# Pto do-business & `& Q) z- g6 {. B
2 `1 \6 [* {1 j2 S* ~
0 k/ r, W. z% t+ v$ E
rt random 360
# s) X- D$ U) z& F* B' Q6 W
9 S! U- P; q0 F7 v5 Tfd 19 r8 K0 N3 w/ M2 |$ m& Q5 K* B! F, u
h7 g: F. F, g s& o7 Vifelse(other turtles-here != nobody)[
9 E z0 g6 q( D* g0 l( f n3 D' x4 W& m8 V0 j: e3 l) ~
set customer one-of other turtles-here4 Z0 s' p: Q' |4 p7 x' @. K; L
/ x3 _/ N9 G& U5 `9 C;; set [customer] of customer myself6 n# K8 }0 D/ c r
$ T6 s* [- ^- _2 p9 t4 Vset [trade-record-one] of self item (([who] of customer) - 1)( k E6 P3 {# [
[trade-record-all]of self; J) s) y/ s1 [+ r! ^8 I; Y
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self# ^! q- i& N Z1 W" e. e6 R
# q: u) M9 K) o. i U: A& p
set [trade-record-one] of customer item (([who] of self) - 1)1 h f, f2 O2 p) y
[trade-record-all]of customer
4 [2 F* g* ~7 ?9 f6 V. U( d! G4 O d# B0 Q' g* z9 t
set [trade-record-one-len] of self length [trade-record-one] of self
$ O( W* D, T2 _1 j5 a8 A4 M8 x/ S
9 C! h7 y: l( t8 n, Tset trade-record-current( list (timer) (random money-upper-limit))
$ u# C. `$ X% G) q Z- K& U* Y
3 V, d$ V1 A7 S1 v; Sask self [do-trust]
0 ^+ \$ Y) O: K v: I% n;;先求i对j的信任度
9 i- ^% r4 b7 U
- E# S3 b! r: q7 |' Q( O* p9 [if ([trust-ok] of self)
1 W2 A$ A- y7 `; V. E' u+ @8 x;;根据i对j的信任度来决定是否与j进行交易[
3 B8 u3 Z5 }9 D ^- u6 |) t2 wask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself/ t5 }! U/ Y" @7 @0 G: V4 R2 R) d
& p$ Y9 q& i6 S) R# b! M6 O- f
[
% v/ f( c4 r8 B* I. k Z8 I
# ~- l: Z! p% l5 Gdo-trade
& _% `4 a! h: U+ F* \7 i4 [8 d" A; Z' t
update-credibility-ijl0 _4 _$ Z" Z2 F( h
# {. u+ g: V! ?& F" _4 Pupdate-credibility-list" c) q2 {( p/ r( j. S! E- L
^" C% O+ K& b! V6 t2 A( D! R( B
; A. d: ?6 _5 E3 Y; \3 x
update-global-reputation-list8 Y; D C$ |3 S% x" V" A9 ]
+ U* r. T6 B8 ^9 { Wpoll-class
& {: L' r: `- p% O( D. A0 t e, a: a# C! {
get-color8 N; U/ G" e) Z2 F, u+ b
6 I/ f, N7 y6 r8 K
]]
3 [, `& Z: f. ]- G" J# w7 @% ?
- O5 c3 Q# M! S* p;;如果所得的信任度满足条件,则进行交易& P& K }# p* v& f7 }
* S: i E$ a$ G/ ]( A. F
[3 U# e- Q7 {9 B
$ ], t3 V. y+ g& e6 M$ Y7 Qrt random 360
* l4 {- K/ a/ ?7 @2 _( y6 ^- d4 E' S: _/ @7 o
fd 1* r G$ Q: r% v* _* @3 T
/ M* V1 N" f1 c0 P1 J, k' u' Z
]+ d7 B6 K* l: L1 ?# N6 |1 l7 Y
9 F; C/ }$ _# d3 W! V/ |6 dend2 K7 x9 `# X% m6 W
% k+ m8 E' k1 v" e
to do-trust ' O' g) V8 X% Z
set trust-ok False6 u6 T5 N/ ?0 K+ s7 k- z7 m3 ]; m U
/ `* m, n+ G& I4 L- q) F6 J* f/ m, m% X" Q! r% d" S$ D
let max-trade-times 0/ ?* E" _4 _) u8 W- V" J0 k. g
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
" D6 G: V% Y# C- c1 }5 dlet max-trade-money 0
) x f/ s' J8 H6 R$ t2 Bforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]/ B) E. Z; u9 e% Q& o7 X9 g
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
# u A. G) E$ s" e
' y$ N; z' }8 u# I- ^, d3 }9 w" z7 `% X9 q+ z
get-global-proportion3 H- n0 J/ E0 L& g1 V
let trust-value6 Z' [- \. R; I. }* w
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)1 H! X/ E; f, ^8 p0 e
if(trust-value > trade-trust-value)
+ e J( y: w7 }+ j& |1 e$ j+ S[set trust-ok true]
4 I# Z: v' X# m9 k6 Z& yend
+ ]0 J- e+ ^3 C$ h9 ] G0 g" a; Y4 R1 i$ A
to get-global-proportion) [5 U) f% O$ A9 O
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
9 q6 P5 |' c( \$ E/ X7 R[set global-proportion 0]9 @$ L K, r) [$ s8 m6 f
[let i 0' |3 Z. H' R# K$ Y7 ^
let sum-money 03 @ p3 P# H3 [9 m
while[ i < people]
9 `1 P: x, ]5 ^[
8 e# Q' J% {+ I' w* A" Z" bif( length (item i
6 ~/ t6 Z( O8 g+ n) ^% }[trade-record-all] of customer) > 3 )4 |9 J8 p$ q4 u0 w8 d/ k% L
[
/ @$ G4 j- s7 e$ mset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
7 T% r* f. x4 D$ r& \0 }& s% []& f5 O& ^7 j3 d7 y7 x7 _. R+ K- l
]
9 X" q! t+ N' j* P8 glet j 08 J# `$ o* j- P9 i) U. n$ n0 D
let note 0
7 \+ j& R/ {, t. fwhile[ j < people]
# p5 u8 x$ w% O, e5 {[ h7 ^3 _5 ~2 {6 |- u1 a
if( length (item i# L+ S7 R' C5 o8 }: x7 |! P5 O4 }
[trade-record-all] of customer) > 3 )
$ q) Z( i6 S" V8 |$ p[
, [; s1 c( ^" S G9 @8 cifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
# Z! S1 C. k8 C! |/ W* D% _3 O" }- ?3 \[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)], Y2 e# G7 e- P1 M. l N
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]; I) k4 a5 B$ V7 k% V' _4 k3 S
]
0 p- T* t/ R; X8 P/ G7 y]
3 N3 B) {5 |0 |& T$ Hset global-proportion note% t: U: S9 I: p8 {# M7 f9 H( U
]
, ~9 q7 I' i0 f. @end
/ A0 ~6 k8 l; N4 S- A8 G G8 |( O8 H" }0 o2 O J ~3 K8 P
to do-trade
* t$ X8 i5 ]# S" t. K;;这个过程实际上是给双方作出评价的过程
4 K5 A5 L1 D2 aset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价" c3 l$ j8 k5 s5 i: i4 y! Y0 z4 i5 N
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
/ g% S3 N; ~3 f! z' `set trade-record-current lput(timer) trade-record-current- L4 ~4 Z4 V3 f9 \; q" z7 Z/ g
;;评价时间
7 K: s! [" Q4 v) {2 D# zask myself [
4 [9 K, D L# m' ~update-local-reputation! D7 f& i/ D+ Y2 X& N
set trade-record-current lput([local-reputation] of myself) trade-record-current2 X" P/ @# M& D% d
]+ B& p- G: N" j
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
* u* _& O( g1 R;;将此次交易的记录加入到trade-record-one中; G. z G) \9 [) t+ a' }
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)1 ^5 D! Y/ t0 U" l, I, {7 b
let note (item 2 trade-record-current )
" P. ^) }6 v2 t6 T' y& wset trade-record-current
~- v9 L$ ?& M(replace-item 2 trade-record-current (item 3 trade-record-current))
4 |: h/ r4 \% ~' P" }set trade-record-current. P5 I7 f' v9 F# y, ?$ o, \
(replace-item 3 trade-record-current note)
2 O) U1 k4 I K7 e. p% h( h* S# V
8 G F( H) r- Z, \) y* x, ~" Z6 |5 Q. C6 a, T1 {
ask customer [
" h* r) o6 Z, _" M6 C& U: q) `update-local-reputation: w0 C, R& T3 Y% S; Z
set trade-record-current* x/ w$ l: Z h* g
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 7 \% F( C- N% b& O
]3 A u5 {4 l$ z: [. K
/ U6 ? }4 v, A3 y" s9 K" Y3 [
0 d( V2 S0 T+ h: tset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
- p1 f/ g- J4 {2 F6 Q' P) }2 u, u& y: v9 s* z2 i
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
" [, W) J- G) w; M2 W! w9 R;;将此次交易的记录加入到customer的trade-record-all中0 }7 ]: r( F% q& q: u
end
2 {9 i6 J3 h$ Q- }/ W+ h0 ]9 W( t' r/ w$ ^7 @
to update-local-reputation: ^* M; c0 h* g" O* J! n+ g+ H
set [trade-record-one-len] of myself length [trade-record-one] of myself
& \0 l" \% v: y& \# X& \4 ?* y X v) e) ^
' M5 t3 k4 v9 g. n% r/ L T- o;;if [trade-record-one-len] of myself > 3
& \( Z* _- G3 g/ z5 V% l) Y& L8 |update-neighbor-total
& Z4 e( h7 V# `; Z5 a;;更新邻居节点的数目,在此进行
1 a5 f" M/ p' v* o* M7 x& Rlet i 34 n% ]" O+ A, i) p' t5 I
let sum-time 0
! I4 q0 s8 q( E qwhile[i < [trade-record-one-len] of myself]
- i W4 E2 U+ w2 I[
! S9 b" B( ]) G9 r5 B" F: @set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )) e% G a0 R3 Z. P) f/ I }, W7 r8 o
set i
% q% `/ _* B& U% N* s* O& f- V( i + 1)! J8 P3 D+ `$ b1 s+ q
]
+ m5 x; A3 G1 h* g/ Ulet j 3
: U3 A5 J& ^& J5 M' B% J1 Wlet sum-money 0+ f5 Q% W' T4 x0 v% H
while[j < [trade-record-one-len] of myself]
5 Q- C o" n( m1 e; k2 A3 d; `8 N[$ @) F5 y2 I& i# X' }3 n3 F) f
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)- L# p* ~2 r* o j# i0 C
set j
1 k: R. {5 E* F3 Y5 a( j + 1)- p) j* N, _ _* U) X& y/ n- ?1 ~' j: c
]
% E9 r" C- x0 f$ i" U, U# L( Hlet k 3
6 K1 ^+ P( H2 J( m( C- s9 q' jlet power 0
0 c8 y+ _3 Z9 l9 t6 b8 {" Zlet local 0
. P8 @8 ~+ j: G; A3 |2 a- qwhile [k <[trade-record-one-len] of myself]
! N G7 a- @8 g: E8 c[4 i2 `/ V! Q6 ^5 J6 K! z' F
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) : }) M5 R8 h7 s3 N4 x3 l0 D
set k (k + 1)" D! s0 c/ V z) X/ Z2 M/ L0 y$ ?
]
! B8 l6 f' { w; F& z: E6 Vset [local-reputation] of myself (local)4 `8 S. H+ U. t* ^+ u3 Z
end
" k6 {. g! n5 m- P0 N/ f- E
7 }1 a# f2 o; A! U; ^# Fto update-neighbor-total
! c, O) M. i- z1 P( h' c( i# ]* `9 H, V+ }0 l
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]2 k" E# Q! ~! Z
- k" V x* D" J6 {2 D. t ?8 N
4 n" p, i1 N& uend
( b2 W# C4 O$ L1 V
9 M3 _7 X0 y3 \8 W$ Z. d' u( jto update-credibility-ijl ! c& ~; V/ @$ f9 {
6 F( c( Z( v1 M) i" r4 r) b1 D;;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。/ `- u4 @6 n1 A/ }5 x
let l 0
6 l0 S6 g$ j7 a' N- a( |7 awhile[ l < people ]
+ ]1 S; H* F' W8 b6 b3 T;;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/ D0 `, o: X: n7 j% r7 t- n2 Y4 L' m
[5 ^: ^# ]0 _8 I3 j$ p" `
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)+ t5 p( Z5 Y: f& {9 G) x7 [) t; ]
if (trade-record-one-j-l-len > 3)
[: b v; {2 q, 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
7 n9 q( `% r! h3 klet i 3
0 g) x% n. M4 {1 H: Slet sum-time 0
" B& ^! v: ], G8 ~+ Kwhile[i < trade-record-one-len]
6 h/ t( Z! E/ B& W[* H/ H$ l1 T$ ~ I1 r
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
% R( {1 W A1 }0 `7 S {set i$ V. Y7 u3 a6 P( H4 @% P
( i + 1)
# d. ~) P/ v0 x$ d7 m& i) d]2 t- G% T8 j5 ]% m! _, M' ?
let credibility-i-j-l 0- R% `) s0 U r" l" B# D6 }# q
;;i评价(j对jl的评价)
0 l/ v0 i+ P) dlet j 33 W+ `) y8 P" ?# f7 W7 e% e
let k 4
5 t: b+ i: ^- uwhile[j < trade-record-one-len]
5 W2 q6 T/ y% X6 w[1 q' q: C& W; g- ]2 L9 X, y' J
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2 C1 s: Z) M$ S H
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)
' i) ~. L7 }4 Z) j4 z* rset j6 u) |+ Q# q1 Z7 \6 }
( j + 1)
3 T# n! b9 S4 X]" Y1 d! n/ m1 P+ K
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 ))5 W& a4 O* M3 M5 |
/ u5 l- b# C. j0 Y
. v7 Q7 W0 N. f9 h+ ?; G; n, Z, Vlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))$ _' w; [$ y) b/ ?' _! M( \
;;及时更新i对l的评价质量的评价, ]8 F; H7 a- q* w: |& A' O/ S5 h
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
1 f8 @6 d# R% g9 c5 Yset l (l + 1)6 W9 N. m. B# U( h# C1 G% @: y- M
]
0 _8 ^& H0 y; }( n/ dend
% Z* K( ~ S9 \" Q, ^) i
5 i( _9 A! B4 V& a5 ito update-credibility-list
1 H8 A. ?1 a' @7 {, M# @8 w0 G% e$ xlet i 0
/ b: A7 x$ C1 G4 rwhile[i < people]8 q [' r( ?/ K" e9 s+ ~6 U1 R5 c
[- h8 K4 u" w% | \
let j 0
* I, Z, n& ^# i6 I# \% Ylet note 00 s9 F! V7 Y) \7 T
let k 00 s/ w6 J2 Z5 o$ q! `" H9 l
;;计作出过评价的邻居节点的数目
% ]; i! H5 Z: h4 I+ }while[j < people]: O5 t9 u( {' s( Z& E
[
{0 V: G1 C0 {- `; L) zif (item j( [credibility] of turtle (i + 1)) != -1)$ x0 `7 E+ J- R5 p& h8 x
;;判断是否给本turtle的评价质量做出过评价的节点
4 q; B2 T( M4 f; \+ c/ Q! D6 l/ S[set note (note + item j ([credibility]of turtle (i + 1)))2 w' B( U8 G! N' ]. |# D9 I7 g/ Y! a
;;*(exp (-(people - 2)))/(people - 2))]% Y* S- r, B1 i4 B
set k (k + 1)
3 ~+ i5 W- l3 G]3 p" U. M2 f5 I3 k6 D6 q6 l
set j (j + 1) ~. e4 ?6 a$ ?- x* D3 y" ~
]8 X0 ?- C1 E6 X# ]( x' {
set note (note *(exp (- (1 / k)))/ k)
8 C; w. s& [) B$ D+ b- P4 ^+ Eset credibility-list (replace-item i credibility-list note)0 H: s/ d% O* y* l2 T8 _! w
set i (i + 1)6 Y% l3 W5 @. C& {7 t
]
' c7 r( N- \' bend
/ }! c, F/ S4 _8 v1 X
3 ?( N* [* R+ B+ x9 z sto update-global-reputation-list
" O5 q m$ @+ s- |$ g. {6 H' E7 Ulet j 0
3 N; ~- v6 e4 [0 X& F: T* y1 W8 gwhile[j < people]: \* k; q; Y' H8 [# F
[) y$ f4 x# ]1 E6 E( c% {3 u# i
let new 0: Q5 p7 @+ x" R
;;暂存新的一个全局声誉0 m7 |/ Y- j' [8 H
let i 0
+ ], I. [8 e5 i4 X; K. Tlet sum-money 09 p; F- n/ R0 t
let credibility-money 0. }& ~3 o( ?0 \ a0 B
while [i < people]: O! ]9 Q J5 R8 I# J% b/ ^
[
8 z* t0 J% X) D7 Hset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
1 a$ X. { _) q( X. n+ s4 G0 mset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
6 j6 J) j+ \" }* v" qset i (i + 1)' n$ ^- X3 g; G8 \, F
]0 _, ]2 X1 h8 X' h3 `7 B! m
let k 0
( Q6 E6 Z$ r2 z( G8 {let new1 0
! s( f! a* W. Pwhile [k < people]
, U. a0 i( ]* C/ L7 @6 D O[" O, ]: o5 i) {: I2 {3 o
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)
1 F/ S- ~7 e+ Z: l5 s$ U9 aset k (k + 1)
9 S N. W% e( P+ K. ?. a1 j* ?]
0 A0 R4 k# H! k' {4 Pset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
" j& w# f# v6 [8 Vset global-reputation-list (replace-item j global-reputation-list new)" _+ `( q9 A5 H) C
set j (j + 1)- u/ R6 X1 `: k- |; `. h/ G
]
* y9 x- B: M2 {# J7 q# nend
5 i' V" _& b+ r) a$ V5 Y; l; e1 |7 c B( r" F
* B4 u( h' q6 a% p; L- z; u- J) _$ r4 n1 v
to get-color e/ J! x( D: r" B: Y5 x
" n3 x( \0 f o& R& iset color blue& a$ C, `+ E/ B& j" l5 q' v
end. a, h$ h# j+ v; S. N( Q7 Y% I
- d3 J# v4 V2 q) @
to poll-class
E' Z5 {4 P' d. L1 @end, Z2 x8 v# U: s1 g
( S# W6 I2 U4 U3 B
to setup-plot1
q, b- i2 u" g2 f6 M1 l- ~; R* ^9 I, J4 |
set-current-plot "Trends-of-Local-reputation"
6 P3 U1 ], N- Q1 E' V4 i3 A1 N h: [" R2 d
set-plot-x-range 0 xmax
$ J9 `9 Q. T1 D$ [2 [. ]3 P' P9 ^ j
% y- q" ~$ O6 e5 \, dset-plot-y-range 0.0 ymax% y% t; t/ \9 N! r' f7 i! p$ I
end
7 P+ f6 R2 N% A- S( C K
. K* a9 G! x: {! j$ E4 M( Kto setup-plot2
& |' E0 d: t$ B4 v! @4 o1 x; b8 C; q3 b( B
set-current-plot "Trends-of-global-reputation"
3 }2 N6 ^- _4 ^7 e. }
- p! f0 ?. x5 jset-plot-x-range 0 xmax8 n5 Q) T0 Y7 K& [" I
8 a6 o, B) e& f8 U9 H
set-plot-y-range 0.0 ymax
5 t) d0 o8 x2 S- Gend
0 w; @! l1 l9 B3 X& s: C0 M, ^% k8 Y$ e1 e* g4 k' ]8 Q8 ?
to setup-plot3
+ D7 {- d# Y/ E6 Y0 N
9 C" t s1 |. u' iset-current-plot "Trends-of-credibility"2 d, k( \; Q% D' F z8 s
& v/ h0 ~7 m9 R. a2 B$ e0 @8 ?4 s
set-plot-x-range 0 xmax, u7 K/ X2 x* T p3 I4 H
/ T0 f5 Y( i4 o7 |$ z
set-plot-y-range 0.0 ymax
. S; Q7 B3 n$ U" O- s8 Wend
5 g' |% q; A" @9 l7 C) Z
8 T. A( p9 W( h" }* o8 @to do-plots
D1 S6 S. Z5 ?- Y+ p6 \1 A& Jset-current-plot "Trends-of-Local-reputation"3 S+ P" c& c& ~6 v9 V
set-current-plot-pen "Honest service"3 G: h+ v% P; u6 `
end% I7 |# R4 B! A! B. O, q8 W: l% h
9 E- E1 j4 f- G0 q+ I p
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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