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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4 M( M) D2 P& _0 ]; r' J6 {+ x
globals[
9 I- L/ s7 j" g$ Z/ }" `xmax8 m5 a, ~ Z* I9 [" x
ymax
2 ^+ A- u/ }' fglobal-reputation-list
# t/ G; z* Z' C) ]% k; e0 q
, k8 u6 N! J& z+ i) x;;每一个turtle的全局声誉都存在此LIST中0 `' z, ]) \$ O. L5 Q0 _
credibility-list6 f, i* E6 u3 s# u" H7 Y
;;每一个turtle的评价可信度1 X% Z6 g6 H! ~
honest-service B- `, y: _2 B6 _8 y; S- \
unhonest-service
; t. n, y, t: _6 Soscillation
8 ?5 ?, O% ?! b2 _; ^9 u/ P) Orand-dynamic( b/ N0 I, U6 \/ E8 _! S, E
]5 V( c+ ]: ^( W U! N1 f( |
' ^7 }" }; l6 r V. A3 a
turtles-own[
+ b6 Z+ j! h* ?7 S4 }trade-record-all4 W2 L+ E5 g" i; ]4 v, m
;;a list of lists,由trade-record-one组成% t+ s) a/ w1 {3 ^7 b
trade-record-one, t* f) `5 H5 l; V/ }5 q
;;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 T, M1 |/ w4 h9 H: k) J- I `! B% P
2 C) f' n6 e" i) ~" o; n;;[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]]
( ~- P2 H% }% I Q d; xtrade-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]* B$ C% n4 \1 n. Q5 A* M A! Z; x
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
0 g8 \7 [9 @6 X- l. [8 dneighbor-total" \, }' b; Y) d6 k
;;记录该turtle的邻居节点的数目+ o/ K* f2 i" n# {
trade-time
, `) Y* c) p2 J;;当前发生交易的turtle的交易时间* X! {! e. Y. r. ^/ n
appraise-give1 h" v$ _3 |+ u' b
;;当前发生交易时给出的评价/ Q1 v/ c3 y, ]0 g
appraise-receive! z5 y, b9 V6 f
;;当前发生交易时收到的评价$ _1 X; Y4 v+ [- h: P- g8 ?, x
appraise-time. K& _$ T# u3 K# e6 u
;;当前发生交易时的评价时间
) p. H/ {) @8 L% {" i* F( s# R( a7 ?local-reputation-now;;此次交易后相对于对方turtle的局部声誉
+ F, A3 N0 m+ S( |& Utrade-times-total7 | Q M, q7 d. [% C8 `
;;与当前turtle的交易总次数
, ^% [1 s! [1 T7 j) E/ Ttrade-money-total& z1 I' S6 A% p4 }/ Y6 W+ A- N
;;与当前turtle的交易总金额! W1 ~/ o8 R/ R7 E
local-reputation f; d) V8 ^8 q* W7 w% W0 A2 y( S. }
global-reputation" d* B* G2 w, D9 D2 U( o
credibility8 ?- ^( h# z+ \1 e: l4 `
;;评价可信度,每次交易后都需要更新/ l2 O9 X, E) r, x
credibility-all
" o1 a8 f$ m4 s- N5 N$ U- ^+ q* u;;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# B" w7 A8 o0 s2 C& M, D$ L
& V' @5 u" a% \1 P) X" X
;;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
4 ^. J: B8 s( z- U0 qcredibility-one [" \: R; s( p+ l& H8 z
;;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
( V; i) r' |1 A" z ]global-proportion
5 k9 F& f) L! d7 x( g: Xcustomer
* s. ?3 G& E9 o% bcustomer-no
9 G' b9 L7 w, X. F, m% k. _' Ptrust-ok
$ M! j4 H) L/ c- ~! u6 ?trade-record-one-len;;trade-record-one的长度8 @1 V+ z# \! f# p. b. W
]
7 T# m0 J- D; Y5 a3 \
6 z9 Q6 q% b9 p9 Z;;setup procedure: Z1 m( m# D; Q8 ?' `4 L( f) a
- @0 ?6 z3 ?* L* W- a4 Rto setup9 G% T! C7 y# M$ ?
/ c; g" g" E4 y. \ca
9 r, M W/ v: m, z0 w; b" B+ }/ e' x8 g! ?) Z
initialize-settings: l$ s) R2 q* P# |3 H
# V+ V( P: a; s# m4 E
crt people [setup-turtles]; H0 O9 l: p* y; c" |2 E
6 J( {# ~$ b; L3 V7 W
reset-timer3 N x- u. e: u
0 D8 a/ d3 C S1 V# {8 Tpoll-class
" h5 ` n0 G& p* C9 @8 M3 K
3 R/ [( a* y! [3 z6 Psetup-plots
3 o; o- _$ ^5 |) `. o/ D
& l- ?) z, [6 L1 x( i2 D+ X" qdo-plots$ t O$ x8 L- `3 b& K) K9 e* ?
end8 {! ~' ?9 R. d+ ~3 ?; `
1 V: I. `/ Q, i0 L1 uto initialize-settings
" B+ O, Q, L3 p5 W) I& |* b' u* X5 v+ ^# A* i% w5 y
set global-reputation-list []' B* l8 S( z- G. V6 K5 I7 e4 v& @" B5 S
& o. V) M( W, E- E& uset credibility-list n-values people [0.5]
5 _& }9 @. h/ W
3 F5 L2 i7 p. ]: w6 oset honest-service 0* D- D- h% a+ T0 Q9 H- X0 J
8 S+ E# z( _! h! G
set unhonest-service 0
, B3 a" n; x1 F
1 F3 o! {+ _0 @* R2 tset oscillation 0( Y& T. j, H: a
/ D, b2 d$ P7 N' M6 x7 ]3 Uset rand-dynamic 05 G/ w. ?# Q k+ ?% x: F! n
end$ ^! B, n/ R. T+ Q
# _- g" O. [9 c( j5 Y
to setup-turtles Z' v: Y: ?) \/ Y y
set shape "person" _( z3 `3 Q* ]: a. h
setxy random-xcor random-ycor
* Y; R9 `8 p0 h- ^' F7 G' J( h6 I( Vset trade-record-one [] q" { _+ G: [
4 o$ |5 {+ i' |/ o# aset trade-record-all n-values people [(list (? + 1) 0 0)] 8 X5 Y2 ^# F, _1 G1 {
, u4 T, c: n' Y* lset trade-record-current []0 ~! n" U3 R( l* Z( M/ w
set credibility-receive []! \9 ^6 @& R7 e5 e, }
set local-reputation 0.5
; s9 v) m1 _% C# Mset neighbor-total 0
6 |- a9 V' X& P% u1 v" w, |5 [set trade-times-total 0) s( c% o# V# T# N4 C! W! M W$ t
set trade-money-total 0! N- q# I! R* k! B( J' s
set customer nobody
+ H6 _" v# R9 O1 n4 B& f7 `set credibility-all n-values people [creat-credibility]! U7 h6 @% Y' l6 B( Y( ?
set credibility n-values people [-1]
1 l2 S1 t* P& k3 G" s$ I$ w$ z8 pget-color
1 L+ n% m3 X1 d) s4 ]6 ~* g, n0 V3 X0 `
end I& ?0 `9 ^ w2 G
" a/ r. Y$ O- ?1 m4 _; jto-report creat-credibility, U2 j6 x5 z3 d u- s1 D0 S
report n-values people [0.5]/ g& X) K/ J8 c* p7 c
end0 h) p/ T/ v' r) }4 `, x# {% m7 Y z
. ?* H$ @/ L9 tto setup-plots
_ c# g3 u9 `& w( ]) r+ e: k2 A# a3 t- ]
set xmax 30
; N, v0 v' q7 z
: ^+ O/ @9 J+ P+ g$ jset ymax 1.0( x! V, u! d9 j W# [5 L# _: s+ d3 e7 n
$ ^ w, c5 s! Kclear-all-plots \" M, E# b& J( Y
/ A5 \7 `, L& m. P' o* B
setup-plot1
: ~9 U# }) Q* f: |
8 o) f( Y5 v4 \* V6 p( d5 O) O ^setup-plot2
+ u' s9 g0 r4 u% c2 Z% X
1 X2 l% k2 v' c9 g& x, [3 Ysetup-plot3' S- ?8 i4 g9 t" E' y7 J' h
end+ Z: t2 U7 e( h( E3 s
h( T. H, D, ]8 M;;run time procedures
4 ]) ^( ?% `+ |" q- j% J+ W
. [0 V5 |; Z0 N4 C" W+ pto go3 i# Y8 u, m' c7 j' N2 Z8 s: V
* }5 Q; U4 p+ c8 {* K* {
ask turtles [do-business]4 j7 X6 \! m' ?
end% E0 w" H9 A/ k( T C4 M+ `. g, T
$ ?+ M$ O! ~2 O$ h [# S# cto do-business
4 m9 i9 b4 F* C# y8 T4 }" ~; [9 Q6 P8 j
* w4 O7 q% ~6 b2 `+ j& W
rt random 360
: t7 }& k/ y0 N- G5 h
( w' y8 m/ G t3 m9 ^3 ^fd 1
) l1 P8 E7 F1 C6 l
/ H* F, ]5 Y- q' E& T6 vifelse(other turtles-here != nobody)[
) D0 {% f4 _! o$ D% g* {
; L$ n' s" v% s; H: {set customer one-of other turtles-here8 g$ [' ^' y1 A" Q/ n/ M
9 _# k+ j% @4 K4 S/ } K
;; set [customer] of customer myself
- x6 p ^) Z; ^9 M) e% c
, s2 G) f& |* x5 b9 Aset [trade-record-one] of self item (([who] of customer) - 1)" K1 _, F# ^4 Y/ W# G
[trade-record-all]of self
' R. ? f1 d5 u. I6 Y! h- @;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
- s% p8 q2 @% j1 |2 q( @1 e# z6 P* p1 ]9 ^
set [trade-record-one] of customer item (([who] of self) - 1)
8 Y1 X, m0 W+ t! `6 I+ |. `! y0 c[trade-record-all]of customer9 w l- [- E" H) }
* y0 h3 z* T& {& A2 j3 [
set [trade-record-one-len] of self length [trade-record-one] of self
; n3 Z3 h3 _: y6 ~
$ K7 r9 S( _2 [set trade-record-current( list (timer) (random money-upper-limit))
, [. F+ [% G3 L7 G7 @0 H$ A% J5 q( v0 ?
ask self [do-trust]
. E" V2 q: x$ j( D. g. o4 h! p;;先求i对j的信任度
' B7 a% M. p! S) H; ~! s
# q e! g4 ~- g, L, | sif ([trust-ok] of self)
& I! \' @. x1 Y0 L" m& Z) [;;根据i对j的信任度来决定是否与j进行交易[! p' I$ ?* \+ m) @, c- [
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
& J2 W9 t* O" Q. S! _$ v( }% Z5 \: [% K! R+ t
[ h8 I, A0 A% ]1 k0 o) Z( k
" U# X0 ^: M4 [9 L5 P. Y
do-trade
& x9 \, H# U; G. o( z; K* k0 Z* R$ E8 z1 e2 l" D/ K
update-credibility-ijl. ?! ?/ |) S6 ~
5 D# ?4 N+ h2 s# q$ I8 [
update-credibility-list
" P) [! M* V2 v4 [/ `+ R! `# z3 y& C* B0 \
. u. M3 g M, Hupdate-global-reputation-list9 b o+ ` q e5 c6 g
* g- a& s! [( ?$ o' a
poll-class0 U; r2 |% E! d7 z) w
) i& k6 x, b0 U2 g4 F
get-color
: I0 _" k& m( q, i. b- Q7 ^+ J7 ?0 a# b G: ?3 N
]]( X; q$ X6 E% A. k6 a# ^1 z
, t/ ~6 i! [3 E. m5 Q;;如果所得的信任度满足条件,则进行交易. h6 u3 ~: s, F
: W8 S; h, e* X$ f' C7 j) T
[
8 b# t) ]5 T/ C2 b$ M* _
Q/ g) P, t4 o; ~1 G. Crt random 360
+ T) \) Y, Z& r G; n9 ?/ u" r1 i; \" S9 L( J9 p
fd 12 D0 x& r- [+ b2 a0 G' J4 P: H; r
5 ^. p. P% t) s! {4 `% ?8 u]' c* U& H+ `' |5 |4 m
% O; P8 l) ^9 N# M5 [0 {end& O) _1 \- E! l$ |# ?2 m4 z
# B1 v% l, D* I+ i' r6 m
to do-trust 1 \6 P1 C! }1 N# H. S
set trust-ok False4 W- Q v9 M7 G- f" o; u
% ^5 h0 {" q! ?: m6 |0 S
% u* H" @3 a$ x# [0 Wlet max-trade-times 0 T/ G8 I' n+ y9 }8 Y6 G: w/ N$ l
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]. e3 H; ^& g; z+ J) \# A# U
let max-trade-money 0$ i! F; t5 I- z. B# w' H8 i$ p
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
5 y2 Z- {4 I: U: J+ K. k8 y3 hlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
* T2 [2 E& I- i2 m* ~! y8 m/ j0 K2 }% M" d2 H" T4 v% }0 {
. M% Q8 Y9 K- x( w _* r
get-global-proportion; G+ d4 f9 _5 V. O" Z
let trust-value, E' O) m$ Y6 X- i/ l0 _; A
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)
% ^$ X$ B2 K& T, ~if(trust-value > trade-trust-value)
5 H7 Y$ h8 z3 Q2 U5 _$ }1 f$ q8 `[set trust-ok true]
. I1 V+ d% H$ g7 s( |end
) y- p) ~! u) r" `* T' K# @# N0 @0 M( `) g% {
to get-global-proportion* H4 l4 L0 ~# L
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
7 r2 B: P e+ ^) M[set global-proportion 0]
) t' w: P* l' Y4 C* v[let i 0
: \; l2 u4 n7 g+ d+ k& {& \- Blet sum-money 0) u; a( ]6 g+ s9 S( o+ F& s
while[ i < people]
9 l7 _& n+ F+ D8 O. j1 Z[. L, ] k6 Q% ~4 G* h
if( length (item i
" R1 c) I! ]$ |: p$ h& |2 v9 C[trade-record-all] of customer) > 3 )) V, i- b a* z! g$ i
[' m1 N; c0 o8 q8 m% N
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))! ~6 M- d8 ?4 S5 L! ^$ H
]' H/ s/ q5 i* _+ r! G1 @' o
]* \5 z6 Z' m5 r3 p
let j 0
- p6 G8 f7 L8 V9 u( _4 ^let note 0
V+ e6 a$ k8 w% M" Ewhile[ j < people]
# G$ c- J- h: |6 y x[% Y: _% \& D. Q6 l+ o
if( length (item i
1 |8 X( S/ g" f7 ]7 g( E( I2 b[trade-record-all] of customer) > 3 )+ i2 A+ L% H$ }* n
[
1 k3 z" O+ R: v, ^ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)- G+ o, w9 f) W. K, g- K9 `4 j
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
9 C- I" ?% v, H/ `' Y9 J- S[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]* W4 ]7 v/ y; D: K2 t+ b
]6 v" @" c* v( d) T
]
5 w' u3 j! k8 m+ S3 y8 e Uset global-proportion note* l. T6 i2 M1 J3 j
]7 h- s# k0 D2 w- p
end
4 q* a' a8 l( s' k" w0 \
6 i3 t: N$ z( b7 ~to do-trade
. p% g4 q1 f+ _/ w) K1 V;;这个过程实际上是给双方作出评价的过程' f* ?# I+ W" S6 p3 g
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价) M( G% X9 J. X" F$ \2 r: G
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价0 b z' @- w) m/ ^: r
set trade-record-current lput(timer) trade-record-current: [, ^- }0 ]: U$ A4 r1 I
;;评价时间
; Q _ C. i2 o+ Q/ C5 T& h# cask myself [
# C) [1 _, }- }0 z1 v' e2 u; [# y! Gupdate-local-reputation
$ V$ O$ g! G( ~" Bset trade-record-current lput([local-reputation] of myself) trade-record-current
6 _+ V, S5 M# X5 a]: o0 `) ^1 }3 p. {) n. s. D
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
" a% O7 ~# \) m# v;;将此次交易的记录加入到trade-record-one中4 f- b5 C# G8 M! j/ @
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
% z8 o; U$ _0 e/ z8 Clet note (item 2 trade-record-current )
) Y# m0 B7 d( \& o Fset trade-record-current @# u H: @. \9 D5 H/ c [
(replace-item 2 trade-record-current (item 3 trade-record-current)). Q- I* u# ]/ f/ A9 M" t
set trade-record-current1 ` j) g6 U# B: z* }
(replace-item 3 trade-record-current note): Y1 d" H4 E) C w5 [: D
4 L, Z" F1 }' b4 a
7 l: I v7 T, H/ q5 q) E8 k% m/ cask customer [
( x/ a( K; N9 k+ k! F5 ]( q! _; ?. Wupdate-local-reputation
" i3 L7 K+ v" C8 u* |) [1 Dset trade-record-current7 d$ w- C* u) P' B& ]: t
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
% j; ~0 V, c1 X0 s6 q6 k0 A]
. T! U7 B% G7 t) X$ T/ Y' v- b4 ^ c @
0 m( x0 w7 O! Z- ?1 x" Q; \1 q) W
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer: L$ B5 y) ], F" ?% I$ u9 p
0 P' N( ~' }' f' i) P C
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
) `" w5 M- u, B;;将此次交易的记录加入到customer的trade-record-all中7 r6 K2 U& t; u7 M! \2 V
end7 L+ y6 I; U4 E* v- U& e; D- J$ w
, X6 b2 `' u; h3 ^3 W$ m- P7 b/ Y7 I
to update-local-reputation5 k+ P; g0 V, s( B: c& X7 r: a
set [trade-record-one-len] of myself length [trade-record-one] of myself# x4 V' c$ P6 u3 M Y+ m% R( U4 L$ G
6 ]" l' R$ @9 Z' @( @2 T2 Q3 D
I! M6 C3 K! F6 k
;;if [trade-record-one-len] of myself > 3
, E" p* W$ G' z" \; v6 y. N" F, A. Vupdate-neighbor-total
1 f8 J& M3 ]/ `, v;;更新邻居节点的数目,在此进行
1 Y$ V* b V$ a8 slet i 3
: Y2 V1 R8 h: }0 w: e7 Jlet sum-time 0
' \/ V/ \3 Q# S3 ]while[i < [trade-record-one-len] of myself]- F! {$ J' l0 w P1 z
[6 }/ P h# |$ A s) |# V
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
8 Z c$ a7 M0 f. l$ r4 H3 r/ Zset i
& ^& b5 g) X& W# @* M6 s6 D. x( i + 1)5 S r4 A: h' h! w: b* @5 M
]4 Q8 F) K5 a; |: r; }) t t: Q# n
let j 3
2 c4 i( ^- C' a0 v% ]6 K- B' k, Blet sum-money 0 ~( ]( ~' A8 l1 n) d9 r4 l9 o: ?# E& ?
while[j < [trade-record-one-len] of myself]4 ?1 [/ Y; M: R. a; h u
[
0 g9 C' i. F% r( x. v9 c& 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)
" P z0 d! q7 `/ k/ o: xset j
* ~ C* I& m# |* T6 N, R/ H( j + 1); B. p; H' {8 n/ S& q0 P0 l( l! ~
]
5 K) W& K' D0 W3 Qlet k 3' L/ d0 v5 E# ?
let power 0
8 X) v+ c2 R. mlet local 0 l$ T: }7 d. s
while [k <[trade-record-one-len] of myself]
0 _: c4 W7 ?# @& Y' U2 q# b$ G[0 W6 b4 w( W0 s# X/ j
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) 7 Y; N3 [# h: x, K, {
set k (k + 1)
9 w/ K6 v* m: V2 ?$ W; z]# y7 M: d" y# b1 i
set [local-reputation] of myself (local)$ k9 A5 V4 Y+ l* W8 F% _
end: N" d: w2 D8 {/ @
: ~6 C9 f( @' r9 v- ?! zto update-neighbor-total
; m4 [" c' f" _! ?- H2 a9 O- V* ]+ E- e# H( u4 W/ [" f# l
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
8 J, V2 v- w( u5 M+ b7 _* v8 J6 T
, M/ y/ E1 u; a" q$ J! B
end
) h9 D) Q6 w' V6 M! s, Y3 _
X* G4 D) r1 Q& w2 Z* Wto update-credibility-ijl
/ p) a' j, Y8 B+ w x
9 q |/ S9 Y+ O/ Z# I;;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。9 T w; W% v8 f I/ z; S
let l 09 ]6 ~, U/ u/ ^; V
while[ l < people ]
" _7 Q/ \% I4 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
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
: ^( Q) J( ^) P) [9 v1 Zif (trade-record-one-j-l-len > 3)+ N3 U3 {+ n( o: A: G3 z" D7 K
[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/ B8 P9 A6 G# W j
let i 3
* W% p7 \5 w* l: c" K+ f6 }let sum-time 04 C' i0 p% o; r
while[i < trade-record-one-len]
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3 }1 v; d; x' q- ^, l; z) p1 @set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
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( i + 1): Y" v- P% q2 T- R" n, @8 j4 j
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let credibility-i-j-l 0* U3 q% A0 j1 }& j3 ]
;;i评价(j对jl的评价)' d$ D6 n7 \8 T' z L: L
let j 3 I- H. r$ z$ t; G1 g
let k 4
0 I) N. Y* U$ h5 c+ W2 M. I s8 Vwhile[j < trade-record-one-len]1 x- p1 o/ S5 t) u# Q9 g3 w
[
1 z3 o& S* h, y4 K6 [) Iwhile [((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
, J8 r4 K5 j! x/ r1 z! L2 bset 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)
/ ]0 \$ Q8 m. m$ w* S1 Sset j
0 _4 H8 d( ~; u2 \" Z5 \5 C( j + 1)
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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 ))% {( I6 Y0 M8 h1 Z8 S
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)) T i; z4 x, u2 `
;;及时更新i对l的评价质量的评价) ^ J. J- H9 Z. L
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]5 o) \$ g" t& E: Y
set l (l + 1)
. \; o4 b F8 F" n! \6 N# _]# b8 ^8 j: i$ |" D2 I
end8 z6 H6 i8 ~# E* y3 R
" r/ [! J- T( z, O+ Nto update-credibility-list8 _. {; @& ] [- o. Y' y0 r
let i 0, h% E% Z; a/ W1 D L
while[i < people]
5 M- K4 ~/ E& `. Q[
- ?% O! l& w* B S/ alet j 0
1 u v) f7 m/ Y6 t9 Tlet note 0! [, Y4 }0 i, B
let k 0; f; Y0 ~1 A2 H E1 S6 `) J
;;计作出过评价的邻居节点的数目
7 m4 a. ~; ~8 Uwhile[j < people]
: f* Y/ J5 e5 H2 ^8 y! G[
F* v% ]5 S2 p! X- F( R" `if (item j( [credibility] of turtle (i + 1)) != -1)
# x8 b. W4 M8 n. Z I: L- b;;判断是否给本turtle的评价质量做出过评价的节点 e/ t8 _9 i0 B
[set note (note + item j ([credibility]of turtle (i + 1)))
} U$ O8 p0 b;;*(exp (-(people - 2)))/(people - 2))]
2 D/ Z4 S5 O* a+ vset k (k + 1)! p; F" L4 t& s0 P
]
9 w1 ]2 Y p/ `- B# a1 Dset j (j + 1)
$ J8 S; d/ \) d]
2 R& B3 [, ^7 v) cset note (note *(exp (- (1 / k)))/ k)) u' d" b0 m7 k8 B
set credibility-list (replace-item i credibility-list note)
0 L) n D: C8 g1 `0 d. \) rset i (i + 1)
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end
' }- w' \$ v* [% p, W9 t% O' A* w" I V" V( [+ ^
to update-global-reputation-list
) Z% p# h& R" p# rlet j 01 h- b9 O, f* W- q
while[j < people]
$ X/ a: @ K/ ?9 }: q0 r[
( S+ i+ b7 m0 h- y9 c& d, \let new 0* B+ D; f$ F* C t- k- a, ^" Y
;;暂存新的一个全局声誉0 n2 k5 L: s* [1 z
let i 0# j; q/ u7 U0 \
let sum-money 0
. i% l- B; u; d* f3 V$ F/ N, Q* Q; J; Flet credibility-money 01 T' B: C p! w0 N! P' k
while [i < people] @. I0 ?# k- V. b8 n. P& s+ q
[
|) p0 ~+ Y |set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))9 |: Y1 ?, e" b d) d( r
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))- c" L% o7 D+ Q- U" O
set i (i + 1)
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let k 0$ \. V& ~( {. L8 x7 ]8 B# R
let new1 0
5 I' |& Y9 ?6 i0 g$ p' Uwhile [k < people]/ W2 c* G. c* v3 @ ~6 L! O( ?
[; ^' w8 O1 r% \# N4 T, `9 w, {
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)
& Z8 Z8 \7 D4 c; S) n# eset k (k + 1)* P- m2 |# P/ ]+ K5 [% d
]
l8 k/ H" @( O& i$ zset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) " i2 s0 x! [, h/ t( @
set global-reputation-list (replace-item j global-reputation-list new)7 Z& q V7 ~6 y
set j (j + 1)$ l E- v- S; o; t R1 g
]' `5 A' w* w3 J6 c5 l
end
& [2 M$ e# V! Y* q @' q8 S$ O" V0 x; n* H9 Y. ~( \
8 @& m( S C/ ?
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to get-color
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set color blue
1 w# l' n/ `+ a3 @+ {7 F# iend$ o4 [$ |; J* N" q8 l4 Q
* r Z; M# }$ N: q. L; P/ Gto poll-class
! w2 Z: F9 O# f) R0 yend4 E$ d6 O4 N2 a! f$ W9 W( G$ q
0 K! k. p' R6 _to setup-plot1
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set-current-plot "Trends-of-Local-reputation"" ?4 m$ x2 A3 y) w
, C) J) L# {& d' R; J4 ]* E+ s* Bset-plot-x-range 0 xmax
2 V9 a% `/ C3 n1 d6 ?, D6 |7 i! B2 Y" \7 l1 C$ s
set-plot-y-range 0.0 ymax& Z# Q* R# \% u) \
end2 B/ B" Y& v$ e, M# b) p4 J4 ^
; \' {* Y- u/ m* c; [, Bto setup-plot29 c% ]8 \" u: r8 l4 f" d
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set-current-plot "Trends-of-global-reputation"
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set-plot-x-range 0 xmax
2 l' t2 r, `% R+ t' R, x O* x |" e
! A& C) r0 P# t' ]4 e/ Kset-plot-y-range 0.0 ymax
' W# f# E* @# Y, g2 r1 L3 k& G7 }end
$ |( c9 O$ ]0 |
( p# ~6 \$ M: a6 ?3 t/ dto setup-plot3
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set-current-plot "Trends-of-credibility"
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" c. b# T1 T4 X) K* G2 `set-plot-x-range 0 xmax
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+ ~/ K$ N, _4 uset-plot-y-range 0.0 ymax
* y G' ^; j1 o' O. {, B! N7 Q# ~end
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to do-plots; ~, n6 C0 W, T$ ^/ A% r
set-current-plot "Trends-of-Local-reputation"$ a' c0 y/ A- }/ L& n- D
set-current-plot-pen "Honest service"
( Z+ W' ^( r6 {* w8 Xend
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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