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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/ h7 |; Y3 v" o2 Q( S6 k: y5 D$ F
globals[* X& e6 w, h/ z" c5 m, `
xmax
, ]' N, _7 l+ \5 n# C/ W8 qymax
; r3 V$ m, ~$ v g: _0 T: Q3 [global-reputation-list
& @, ~. H1 e& k6 |" c2 V( E) N4 n) v: {8 m# r
;;每一个turtle的全局声誉都存在此LIST中7 B7 V. m. e) O: M5 O6 _
credibility-list
" D2 I, Z& p& w6 d; j3 b;;每一个turtle的评价可信度
% z; e* S- r6 N; h1 Whonest-service
; Z" u# D4 |+ Z& A/ u) Gunhonest-service
: j) |1 d( \( }, ]& A; @& voscillation
. `+ K/ t0 b1 h. Nrand-dynamic
- \# l4 ~& M. E& R! S) U' X]4 S: C6 ?$ g; U4 M! e
* `# ^) m3 L# @# Q" j9 }$ Gturtles-own[
$ {7 l3 r+ A y& L6 B" p ftrade-record-all
. Q# G+ t! e; i;;a list of lists,由trade-record-one组成4 W1 r2 X: _. r( K
trade-record-one( U! H7 I- c+ w
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录' Z8 ? C u7 W( f& m2 S
5 }3 L/ r3 n. C$ @;;[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) v+ D' \1 @- \+ v a( j
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]
' M2 H' d E F( h: ecredibility-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
7 d% W3 X3 M% l; i; N. Wneighbor-total
7 Q/ b7 N: f9 n8 g! [" n+ U' P;;记录该turtle的邻居节点的数目
2 ~: s; ~ O, strade-time
* e, |5 B3 l2 P;;当前发生交易的turtle的交易时间
8 H7 R; |* P, R" G0 W6 @appraise-give% e8 M; j& @) O+ T; f" t
;;当前发生交易时给出的评价4 t6 a8 w9 |8 X
appraise-receive
, h: s8 q3 X8 O+ d1 P$ u0 J;;当前发生交易时收到的评价
. q- {7 j% m3 Z, Sappraise-time
' a1 R% i7 W: J$ W/ r L;;当前发生交易时的评价时间' w) c \3 d& @4 @
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
2 P- T2 w, q& A" |0 [trade-times-total: M2 y' h: s# V6 F0 s6 X# Q% g) W& A3 f
;;与当前turtle的交易总次数
6 j( [% W, {0 d \trade-money-total' a, w3 c/ Y( r( C# T. _; F
;;与当前turtle的交易总金额
% [ D- e9 S! k" }! hlocal-reputation
9 x0 K/ V" U: \6 u3 L: h. g' M: Vglobal-reputation$ r) |9 L. k0 V8 j/ j$ _* I, I
credibility& J& c& m, p4 R, w: [/ M
;;评价可信度,每次交易后都需要更新
5 W# v0 ~, d+ J% Q/ x: g; V+ x8 ocredibility-all' T5 y/ Z' `- S* t* {! |
;;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" d1 y- l6 ?4 @8 [2 y
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;;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/ I3 \: J* q2 A) ~
credibility-one0 L f& b8 x# e8 r4 N) Y6 p0 X
;;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
* Z. y6 d' B, ?! D; p$ oglobal-proportion+ z- f4 p) \& o+ |9 u, Z% c
customer$ E! Z5 f5 c* n" W
customer-no
1 [" j. p; j7 x: ]% Itrust-ok
. b1 _$ \1 X3 wtrade-record-one-len;;trade-record-one的长度* x5 t! M8 a- u; x
]
. r E) y# i' E1 U7 c% D* t" I" Z9 a, v7 x/ [
;;setup procedure
7 ^4 u+ F8 f9 Z! e
2 ~* f) F$ v- X" R0 c- n; @to setup- M% i4 R+ s8 z! B
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ca3 v* @( f4 B0 C. A) y% M7 {
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initialize-settings
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" R0 t E$ d' |* H' b! Zcrt people [setup-turtles]3 R7 b+ C( G' z
, |: D1 S' V& l" e& [& D9 Greset-timer: C7 X# X5 \- b4 x+ A4 M
. S9 s$ p9 f2 W( `poll-class
! P' C3 f6 M, M, c" Q$ E0 c7 O5 q
7 I7 o' X" c3 ^setup-plots% u8 g# i- ?/ ^6 k! r6 h$ [1 ^
) T4 @5 X5 v+ C6 E- |, tdo-plots
" C+ H2 e! g' q6 Hend3 D" I# ]4 j7 W
5 Q& \( V# R/ k lto initialize-settings1 f4 W' z4 r8 B* g- Q
7 U$ \* H0 g3 Z' r0 i3 K2 _$ L" V5 ]; z
set global-reputation-list []
3 ^ Y# m' y: I$ s) y6 u% V! {
b8 l0 d8 _4 Z& z; P) dset credibility-list n-values people [0.5]
; q0 {# e% J" U/ |2 U( d e$ P/ ~8 N$ [: q% h) k; G
set honest-service 0+ o+ f# R8 T4 v5 S+ H
% p; c( e" Z+ ]8 Uset unhonest-service 0- A- b. c7 B5 [. U. u! K9 v
; c( i# e- `6 |" P% \2 v3 m
set oscillation 08 D7 z* w; y8 z, c; c8 F+ K2 s
+ C" s1 w" a2 d3 a- {/ @- P( Xset rand-dynamic 0
8 C2 e7 P. f0 m0 f8 _ a: Eend b. X% C, W- S$ x* X7 O
) K' I" Z0 c9 D# Q# e$ N7 W4 ito setup-turtles z# C2 Y: e* H s* N2 A' p
set shape "person"% W3 D: c: a7 R/ W
setxy random-xcor random-ycor$ Q& V8 s1 G4 A+ G
set trade-record-one []
) u. L$ h7 @. E: @, `, d4 n% p
( V1 y. [5 [3 A; V8 [% {3 wset trade-record-all n-values people [(list (? + 1) 0 0)] % B p; _' k) |% w% Z v
8 s/ {8 H' z& U7 @* R
set trade-record-current []
" m G- F- I: }" Q2 j* U$ |# Eset credibility-receive []
G, b! R. E. t/ |set local-reputation 0.5
2 e3 ~1 i2 d& U4 V2 Kset neighbor-total 0
% Z7 Q( a0 z& o- W1 w1 S+ lset trade-times-total 0
9 ]. r5 b4 \# i4 Iset trade-money-total 0/ a/ V( N: L! K. \
set customer nobody
8 U# p9 G) q. p6 aset credibility-all n-values people [creat-credibility]) b8 D+ d% q1 ]# r7 N- y
set credibility n-values people [-1]
1 y+ C* T: W% Z7 g ~3 ~get-color
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end- }( r/ j3 ?1 v
# Y; Z7 i5 H5 |
to-report creat-credibility" o* Y. |; k# V& X3 I4 R
report n-values people [0.5]
$ [; E3 m. r! _- _4 oend' L5 P' o$ Y8 p6 j0 [; E/ Y" Q
+ {. E, N) C/ p4 U+ kto setup-plots
9 s$ E a0 d. o/ E. z; v" X
0 ~0 c" R. {9 x$ x& Fset xmax 30
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set ymax 1.0
r2 p. Q2 w6 T/ X W* K. U0 d( Y/ f& U. y; t/ C. k! Z
clear-all-plots& _$ V1 T9 l! O5 g L- z
) V4 g" u& F) }- a: {# Rsetup-plot1
n* g5 f6 ~0 Y' S& C- ~3 C" X# L% {% k, H: o; }( t: o* R: F
setup-plot2
7 d' {# p/ W% i; _5 a H' Q! Z0 O) I/ V
setup-plot3$ c8 F( @& p; w! h* ]' d- d0 U
end
% K$ L3 ?1 c- D$ L4 X1 \* p) O h/ W/ ^" E* G4 b4 B
;;run time procedures
" G% Z$ D. K4 l9 V
! |, s) @, h+ W. f, u4 _4 o2 {1 Oto go
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9 L4 t/ f9 I, }& [7 ?1 Sask turtles [do-business]# y: A* n" N1 v$ @
end) R# U9 J$ o( t
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to do-business 9 d6 l' |/ T" S
* q# ~% b- V" n' C3 Z) ~6 D! e, n! {, f0 V" H0 D& b
rt random 360
+ G; J D( z9 @. r5 W9 Y& S- _
8 i i/ p5 O# a0 \8 ]$ efd 1: V4 _" I7 b* F6 A9 s$ f. ~3 |2 _4 ?
% U; z" L5 w s9 ]; T, x
ifelse(other turtles-here != nobody)[, k4 j F+ o9 ?, ~$ ?9 e
u& v# g% H8 w `+ i. e
set customer one-of other turtles-here6 |: p* h9 o) p* Q
6 {6 i$ O/ P$ p$ @) d* X;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)
x$ ~6 h, R% U. F& k2 Z K! K; B[trade-record-all]of self6 {" M- A+ g0 v" t" I" `
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self+ J1 [& H+ v% u0 b% J
8 [0 M% q: q l
set [trade-record-one] of customer item (([who] of self) - 1)
! B5 H( q( Z& C* o; q[trade-record-all]of customer
8 z: C- T7 I; f2 H1 P I
8 A6 H+ Z& k* g. P: Jset [trade-record-one-len] of self length [trade-record-one] of self
/ a- a& w2 U" P( D: e% B# b% v. T3 o
set trade-record-current( list (timer) (random money-upper-limit))
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ask self [do-trust]- ` J9 T: M. m7 }2 H
;;先求i对j的信任度
$ `' X3 G0 Z7 z0 u1 X8 g0 w# D- f" Z: L4 q; Z6 a
if ([trust-ok] of self)6 i k% v3 Z0 ~, O
;;根据i对j的信任度来决定是否与j进行交易[
6 n ~1 c1 j7 f" {/ g1 d% m3 z# Jask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
5 g9 m8 g# Z# t/ Q1 F- c! k) R. F* H( f a2 N* h
[! c% a7 G" h# V/ O; U. R$ t
, v" e3 g# e+ I, }# n/ ?5 G" kdo-trade# Z, O5 m; W7 V$ ?8 b! U
( ]* V' t0 x; s, i( v8 n
update-credibility-ijl
) A. O" T& o# z, R& {. x! z! S
2 e3 {& z& @) R# ?update-credibility-list' t* J& O4 o; ~4 l
' l1 \, Q) V% Y2 e" u9 c
b& |" D* b3 E; U. k$ H3 h& l
update-global-reputation-list
; H& h$ a. V# T3 Z) y$ @. C# \. Y9 ]3 A( K; D9 B& M' E
poll-class0 j+ o. |! n4 g
" i) h' |" D3 Z( y: G" }
get-color
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]]7 N; }+ R4 I9 k2 `' ?8 [9 x
' ]; F; O% s$ T. f. c3 W
;;如果所得的信任度满足条件,则进行交易
" n6 f5 V4 o3 ^4 R4 N' p
7 G! [& p. S- p! W& c* L[( O% ^. j' P* _4 \- L9 \( `% m
. j9 T: }' O" {4 krt random 3605 [# u" C5 {9 Q6 [
3 U' u) I" p1 ]1 A9 q. L7 L, Wfd 1
$ s: L8 H- |3 z9 ?4 V
+ D9 T$ Y* c, A# `# C7 p9 n+ _]
( U6 l. C+ W% F, H p
& G, i# o+ ]+ `) l; Pend
9 y$ n1 d$ G5 ^3 j: L: j! K! N, N% f% G: w5 G6 ?
to do-trust
0 w) @/ V ~7 l0 v* H+ X1 |9 Jset trust-ok False
$ z- C) N' ^2 U: t
( t) r9 M! | f0 Q0 f6 B3 Y1 d3 R" H7 J) ]( j' f
let max-trade-times 09 E* x1 c# t2 W8 E5 }' W. p
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
7 z* t0 t: u: q, O6 tlet max-trade-money 0" M' R& s" u7 r( S; y) r9 j
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
& ?4 ~8 s" R2 L" |. ?let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
- A4 w0 v2 O% D) }1 Y7 U* ^- h6 n; O) x2 g! k6 A
5 G6 J! c2 h0 X! Jget-global-proportion
M6 M& D+ c& p* z3 }0 _let trust-value2 h, z/ i5 ~6 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)
% P" I* S# F X& U& cif(trust-value > trade-trust-value)$ t6 d0 T# [. m i [# b% D" z
[set trust-ok true]
& y5 F) T( I9 S1 [end' Q" o* [2 d @% [& S
, _' l7 T$ X1 Y
to get-global-proportion. k% I5 l& x" H* [4 L4 F+ z* ^( N' z
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)) Q$ P4 U8 l+ T+ c- ^6 e7 s
[set global-proportion 0]1 w k: l7 l, V! K6 F
[let i 0. a# H& @; p3 a+ c/ h$ q
let sum-money 0
( a0 s. y2 n5 s+ g O' Bwhile[ i < people]
5 D& L/ A. i5 G) Z& z0 [[$ ^. {& d+ x) R! i0 T0 c) j% l
if( length (item i
: W6 K4 n: h2 |3 [" j- T; G( D[trade-record-all] of customer) > 3 )
% q& [& M6 \, [) q) m[( P4 a/ f& r6 ~' y8 g
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))% |/ c9 l$ a$ B0 z
]9 a8 C9 L) I9 E$ g' [* e: j9 d
]
% n _# f1 ?4 ]- Q3 J! P5 H9 m" glet j 01 l( v* P, S1 ~
let note 0
{/ w: U- c* wwhile[ j < people]
" Z' D5 m$ G1 l# M[# w2 |! T$ f' N0 k* w
if( length (item i
# r# L4 f- u1 r. u% o2 n6 a[trade-record-all] of customer) > 3 )$ } ^2 Y- y2 {3 V" R( o
[
1 z9 ]3 g3 r) r4 `1 c$ f' Eifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
+ F1 U5 P5 h8 ]9 q7 X8 u& s[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]: A% M/ Q$ o, q& R+ S) }
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
' i5 n2 d, s# k]
! J7 `# n& S$ m/ w, U) Z' B" U]3 |4 O) E( U3 q. v p9 F
set global-proportion note
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' b9 W9 G S! Q/ [& e& A, k# Qend" r2 d& u7 ^! n9 u) N
7 e1 B ^1 _. _( V# S o
to do-trade
" x6 _2 e# Q9 E;;这个过程实际上是给双方作出评价的过程; l6 c2 _1 c* P# P+ C8 @
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
$ ~1 i; Z8 U0 Z6 Tset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价" {& E4 }( a5 t) R; Q
set trade-record-current lput(timer) trade-record-current( z& K/ r# J. ^5 b
;;评价时间' E" r$ d# W# h6 M/ a
ask myself [) |( p9 p# a. ~$ f5 N+ O
update-local-reputation4 ~3 G3 m, G" }' p
set trade-record-current lput([local-reputation] of myself) trade-record-current
3 O1 t7 U" `/ y: x]7 _' `) W9 h. G
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself4 Z9 o6 t; U) |
;;将此次交易的记录加入到trade-record-one中! {: {' e. @) C
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
5 M* V; g7 u( L& [0 q( ]+ V0 K; Ulet note (item 2 trade-record-current )* B- i5 h9 Q8 h, E6 [+ M- r
set trade-record-current
: @! h/ m8 A' ]2 ^(replace-item 2 trade-record-current (item 3 trade-record-current))+ ~6 D$ @9 X5 D
set trade-record-current; O: f6 S) U# z: C' T8 {. }
(replace-item 3 trade-record-current note)4 Y2 k3 a8 P( d: j/ b" k
3 ^( \" L G* N& i- F" T' D
; V4 p1 g6 ?+ i
ask customer [
! L W3 c& o9 U0 F$ @update-local-reputation& i4 m5 I V" `8 X7 l
set trade-record-current
( V% R- j8 d3 N# m2 O(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ' j: Q% X) e% m- ^
]
, y9 D1 a4 ]% |. F8 m5 X/ ]; ^8 |8 c6 J7 g( R; q
- F7 a! @4 _3 [set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
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0 |" Z' ^2 x( G0 n: t( Oset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))+ C* m6 S4 s9 F! X# @' v$ b/ v" _
;;将此次交易的记录加入到customer的trade-record-all中
; y( V. X3 u. V9 ~7 G( H! a5 eend
2 e- {+ Q9 k1 x* c& t8 O" ~% l2 U) {+ y: S, b
to update-local-reputation
3 K" n4 F1 `# Rset [trade-record-one-len] of myself length [trade-record-one] of myself
- P$ ?" [% P! s1 R W9 f5 i6 g! ^( v+ ^. u% m0 p( T, O+ r
; y6 e% G r9 [8 J8 [5 A& V
;;if [trade-record-one-len] of myself > 3 O: X; i3 S0 ?6 O' j. D
update-neighbor-total
% Y3 f2 G6 O' l, \! }, j- D- K% v;;更新邻居节点的数目,在此进行
( ^0 [4 ]! y9 l2 Glet i 3) F- K% a5 E, d& Q' o1 z# m
let sum-time 0
3 G0 j/ \6 m( M! z3 Vwhile[i < [trade-record-one-len] of myself]
! C+ ?! n% _7 [& C" q& t9 x% o[) J6 O) H+ u* s, S+ L
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )- h8 \4 X' s0 B$ C! p
set i: o" s4 }! d. @: Y1 f
( i + 1), M5 l0 d$ S( B) J# p
]3 b$ o. } e# `/ {6 C# P, V9 s1 ^
let j 3
/ l( k+ F. B' ^2 slet sum-money 0
/ Z% p* a5 i# z- fwhile[j < [trade-record-one-len] of myself]2 K' ^/ [+ m" Q) m! `9 N
[
3 Q! D2 |- W; f; Wset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
) S" k9 Y" [7 v; Jset j" Y# O$ G' W2 V: e
( j + 1) s0 A! }6 r; p- Q7 V
]
% o" S) J7 A4 I8 y1 | M* ]! blet k 3
+ h$ k1 e1 w1 [let power 0- H0 @! q$ P7 u0 v/ m. X. S9 l
let local 0( Y6 m' ^, e7 W% x( ?1 c5 \
while [k <[trade-record-one-len] of myself], P7 N5 p, H0 O0 W$ B7 V0 K7 @
[. C K0 i3 }+ I( o
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)
. a& T" L5 a' p' Rset k (k + 1)0 ]8 d. Y# o c2 D
]
$ X- Y8 K, D/ B& v7 v3 @- @& oset [local-reputation] of myself (local)
5 v; e* h# [# \$ [8 R5 \. ?1 M- m7 C1 Wend# a, B# N% z$ Z
7 C! x; }8 c% x$ i' f( A8 Oto update-neighbor-total$ ]& U8 P. v) R' h. Z0 Y8 Z) T$ w( L
# V7 p/ F! @# F( |, pif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]( [- o+ p$ v. d |
+ X) J0 Y; i# l0 I8 Z- y6 j0 t3 \; d8 g' X$ d) f% z/ G7 \
end0 j" x+ I2 G1 v3 V8 K1 f( Q& Y% u& m
6 j; i4 ^! b, i: C7 S3 Z" k gto update-credibility-ijl 4 z& [+ m: C0 T
) p+ Q* A& ]3 n3 u1 [( \) O+ S6 Y6 s
;;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。
# m. b" H% ]. Wlet l 0
5 F; q" l! V& |/ z1 y9 Bwhile[ l < people ]
2 f3 ~ \! I! 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
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer). |. {+ j4 u5 y. d% g' \. H
if (trade-record-one-j-l-len > 3)7 s( T; }1 p; I1 ^* 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
4 L e3 K" v- ?% U# c9 Ilet i 35 Q9 \% F: y/ ]
let sum-time 04 L& }4 [8 U0 B4 K* N0 P3 V8 D9 T
while[i < trade-record-one-len]
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set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )5 z2 z; K4 ?& W6 a6 P @$ w4 b" M
set i" g& y: W6 ]9 }
( i + 1)+ x. P) M z( k
]
! N8 o; m4 ~# a$ d3 Z2 ^8 ilet credibility-i-j-l 03 ]( I( n7 p H- F; K/ l
;;i评价(j对jl的评价)
. u" h5 P2 O; j! |& L, Hlet j 37 o8 ^8 i1 j1 u4 {% A
let k 4
; Y6 ]3 m' `6 G* G8 U/ E3 gwhile[j < trade-record-one-len]- S, l: |: G% Q7 A1 z+ y
[
+ O) T; w% K/ |) kwhile [((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, W+ Q1 J' V& Q: E6 X- ?: h4 o# N5 d- z
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)3 s) E3 U5 q- g7 V- e- g" \. I" S5 a
set j& ~& J) p/ Q9 P% P2 o. `0 D
( j + 1)
5 X+ j8 U0 K* n2 ^* U3 g! H]
4 ]6 S% |6 }3 ]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 t0 O" k9 c# w. V2 b
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))6 I1 ~+ {" W1 M' h I0 u1 g
;;及时更新i对l的评价质量的评价
. @6 ^3 J1 S5 G$ B. Tset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
# z" j+ C, L4 Oset l (l + 1)- y6 g( v" P3 }8 t, k
]. v1 U9 c" J; F+ H0 D8 W
end0 u0 Z7 z- u/ {- p1 X' j- }
) l+ [4 H) Y: ?. k" U [" x
to update-credibility-list
2 _0 o8 I& m1 c& ^5 F/ I% y6 Elet i 0! H$ m% a+ ~! o/ H: E4 a* P
while[i < people]2 V; e$ M6 X. U* k$ W2 W
[
8 u. Y% l5 B' {2 K6 Glet j 08 ]' M7 m( ?1 Z# e& T; _
let note 0
. T' v! E. K1 z) ~let k 09 D* s2 S6 T) T N, p2 U
;;计作出过评价的邻居节点的数目
, n/ G2 F/ ] G8 J1 R1 D. w/ ewhile[j < people]; P I/ {7 m# s/ B! E( o9 B
[
/ j( M& _ L+ _: i- |+ Gif (item j( [credibility] of turtle (i + 1)) != -1)
+ s% u1 ]' G, T- g3 v' v;;判断是否给本turtle的评价质量做出过评价的节点1 }2 G7 r) G, ~! q
[set note (note + item j ([credibility]of turtle (i + 1)))
1 H9 |8 n2 ^) f; h9 F5 `;;*(exp (-(people - 2)))/(people - 2))]
; ~0 B- U- N3 j% j }* r y' b" Dset k (k + 1)
i1 R0 F% R. Q% k8 j]
& L$ C, U$ s: `, _9 j+ s9 R; h% Bset j (j + 1)2 Z! t$ L8 ]1 E: A$ Q- r
]! M9 [3 O5 v# t2 @
set note (note *(exp (- (1 / k)))/ k)
/ l3 p& c* D9 i, F cset credibility-list (replace-item i credibility-list note)+ L5 c: T) L* d" T v; J' T
set i (i + 1)! p* L# H+ r( b E) _
]
# ]8 j6 ]* Z# ^! c" F9 _% Mend; S3 u0 ], [) ?0 e* x
. C2 C1 ]( P& {! a8 j
to update-global-reputation-list' |6 [7 v3 w* i- i
let j 0+ t2 C1 E! h% M* y8 ~ d9 }" L
while[j < people]
6 r. e- f, q9 `. r[
0 N* H* K/ h$ _let new 0
1 O9 L% z3 i- w- q+ O" ];;暂存新的一个全局声誉
: s. p ?! M8 W" W8 p2 E! Qlet i 0: {# v( {% @% E e+ w7 Z
let sum-money 0
3 k) n* D. @+ blet credibility-money 0
- K- e/ `* n9 G2 ^5 b9 S' M6 i6 kwhile [i < people]
# k% h9 A3 H. Q$ f h: Q6 j7 b- Y[8 k# L" F( ?6 A
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
, h) y' ?' c( ~0 o7 N" I3 a Tset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))9 R; K' t9 ?3 Z" B$ N
set i (i + 1)
8 i( y5 |6 Y0 k5 p7 `( j3 E]
. f% Z5 Y; Y# A; Zlet k 0
6 b% J+ Y3 X& Rlet new1 0- @5 l6 m% r+ p
while [k < people]* U: K& T) o( ?" b* u7 l. |1 S! c
[
) `& y6 u' M6 N6 ?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), r% h2 g# T$ X
set k (k + 1)# n! U. Z- Z4 n: S. y
]
* h5 y6 s) R5 @$ z0 {9 B9 qset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 9 Q* t v D) M( j2 T1 X1 s, ^
set global-reputation-list (replace-item j global-reputation-list new)
- b. I% D8 Q7 W4 V6 r' ~: F4 U8 P0 {set j (j + 1)
: ]( [' n: {% C. J& S. r]
0 {' E9 }. h: y$ Eend8 v, t; o( b% l
. k+ }/ I4 _1 a
H/ F# c6 G/ \5 E! M* [
1 I1 C9 @8 @9 ?( L, Lto get-color
8 a4 r/ Y1 L; \5 s* r' a3 q, A3 X. `
set color blue
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- O% I+ `- W; ~# R; @to poll-class
D: c8 d+ d. }7 ]9 d& nend
# A* q: U. B1 q# y0 z
1 r, t& Q5 Z, o! Q* u/ ato setup-plot1( b/ q/ G$ H' Y. M! k; b9 i. }
+ R: {% i2 ?) j, Q% I3 wset-current-plot "Trends-of-Local-reputation"! b9 M# Y! V% B
& k9 c1 n* `" E5 e) [6 p; W
set-plot-x-range 0 xmax
3 g: H5 N' _8 w- h, T" z! q" O0 F' K, A
set-plot-y-range 0.0 ymax
& p! a: p7 [; ^& D5 Oend+ h/ h7 r! X; `# r$ g4 s: T
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to setup-plot2% I! Z* H$ H# ]# [( J
2 p- ^( m# m5 T7 ~6 E& G
set-current-plot "Trends-of-global-reputation"
6 x: z4 G/ V% C. k; u8 j4 l/ l
2 i. b+ V9 f, l" T! H. y: n6 r9 A Oset-plot-x-range 0 xmax& ?3 q' [3 }, h6 l, p7 v8 H- G
7 ?& I; n: k# [) G8 x1 l
set-plot-y-range 0.0 ymax
0 e+ l E3 q8 Gend
1 y+ {" o7 P- V; d" i& L/ Z* z5 l8 a8 {1 q8 p- J# \
to setup-plot3# z* L7 v+ o& O- I" i/ ~
! H' V2 ^2 H7 o# ~/ x' M1 _# oset-current-plot "Trends-of-credibility" {) `* P& h i) X6 Q+ u0 R5 M
0 y$ q# Y7 E! H* {' Jset-plot-x-range 0 xmax8 j. n/ I1 E# B# E
( s* u" p" n5 }5 J7 n* E' E& K
set-plot-y-range 0.0 ymax
# {" j! \8 {1 k, C% e$ ^7 dend
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to do-plots
) [7 y% T( o0 gset-current-plot "Trends-of-Local-reputation"4 u3 k, z0 e5 w0 C( O, c& @
set-current-plot-pen "Honest service"4 {' |6 G% C- h' ]
end
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- s( r" V( U. r; k1 c9 r0 D[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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