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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- w1 ]" \, X" E- i6 J* w& z
globals[, x; G, J! S# ]; ?7 y. ?9 q" S
xmax: U7 p& l, X) W, \ k2 u4 {5 a
ymax! F7 y/ ]2 C* V! g9 C6 {
global-reputation-list
+ Z4 \. E: { u7 E& G& {" B* o' u3 ^& O- C# g- q
;;每一个turtle的全局声誉都存在此LIST中# l! Z, y& B) q+ T; w6 W
credibility-list+ N! D+ _) ?+ {1 @
;;每一个turtle的评价可信度0 k( } ?; A9 T
honest-service
& Z3 m7 y4 I; p3 e* Aunhonest-service1 ~1 l. W7 k7 `" L
oscillation, v" h) B% u/ p0 j. V: s
rand-dynamic
: s2 Z- |- h9 P4 H0 t5 T: C& b]/ F6 Z4 C6 X4 n$ _& p* R
" i8 D% s3 \9 S# }* | i$ `4 ] E
turtles-own[
& g9 ?# C! a- T9 u4 u. e2 x% l. V strade-record-all1 n J" e# `3 q1 h! N
;;a list of lists,由trade-record-one组成" R- ~" O# P' P3 S8 E
trade-record-one* n9 }+ A. R" n% v5 P
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录+ v: x" X, Q$ q& r
6 @1 ]3 r3 u+ J2 c1 Q
;;[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]]+ g9 x7 D, J& f7 K/ S4 m. E; W
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]
+ d7 ?* `: r! dcredibility-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 L4 W* F1 ]$ i* Zneighbor-total
: ~% s! C; \, o: T6 K;;记录该turtle的邻居节点的数目! a9 C) c/ Y; d0 i
trade-time3 s$ a1 h' G s* p6 ^! O
;;当前发生交易的turtle的交易时间
0 Y( Y1 z+ J5 i* D/ Kappraise-give# v+ f9 v: z6 D% G
;;当前发生交易时给出的评价
F T2 V- _0 z, Rappraise-receive( n. M7 ~0 g9 z
;;当前发生交易时收到的评价
( r* }+ H- {( u" b pappraise-time% F8 W+ t* S2 W1 g2 F& P2 e [
;;当前发生交易时的评价时间( u6 I% Z! {, Q% G9 c- V
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
$ j: T$ t: e* L# Strade-times-total
! ?2 h! Q1 i1 B* D+ Y2 x# M;;与当前turtle的交易总次数" H- c# }/ @7 F( O8 O/ c+ k: s
trade-money-total- k4 t7 y) c4 M8 w
;;与当前turtle的交易总金额! A3 [" D5 V' j5 h( p* w
local-reputation) p7 M/ f' M5 [, G7 G
global-reputation) i( {3 J. ^$ X+ N6 k
credibility* a3 ?) \' O8 J$ j1 V
;;评价可信度,每次交易后都需要更新2 ]/ Y' y2 {* F6 T+ z( x
credibility-all4 g! O& T- f5 T' D& ^) w; v% C
;;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
0 y! g, v- c& V$ D' \+ I, \) Q5 T: O. ?" j
; l7 a9 P+ ?/ L6 ^# O;;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! v9 P, @+ D7 f, z8 _
credibility-one
! ^, Z7 G) I9 o/ ^;;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
& U4 c& f8 M6 F: @+ Jglobal-proportion4 M% i' Z3 Z. v
customer
5 J- p* A$ T" x- }8 X) s" icustomer-no
) \8 g6 i% i% `! V( G9 p E, ]+ _- ztrust-ok
4 ?& j# x- t1 n% H# Z, rtrade-record-one-len;;trade-record-one的长度- W$ L; Y. d) B- _1 w+ ?
]
7 w3 |( ?2 v( D/ F, f/ g6 s
+ z) j/ ?6 Q u1 B6 f& t;;setup procedure- b E. j! f0 P1 A! j' i
: _7 m5 O) S% e& ^. W; O
to setup
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% A: M* W$ D% A5 qca8 P' ]% q, j0 q6 L
+ N1 @/ v, i0 }: u1 a) b! M; c( j/ d9 Xinitialize-settings
; {9 J& i7 A: E
7 H" K9 @0 n) z! C. t" u- v" e |crt people [setup-turtles]
3 g4 J* b9 d( Y# ~$ z
% `6 j& t* x& T3 F* r( _) Greset-timer
/ l* k) }' i" }
0 O. s, S7 k: L6 F- O3 n+ hpoll-class
9 r3 T' n, g' G# c+ _6 v; w' M* ^8 O$ n
setup-plots8 b+ n" ?- e. X( }& q% r2 C
( d3 j/ ?) k: \
do-plots* J4 J) D; ?/ o: j/ n! O
end
F1 ~# D' y8 b" U
/ r; `* U" a2 P X$ F/ B3 Hto initialize-settings
. y/ L* R4 y' C
) l. j4 B; k: X" bset global-reputation-list []+ k. y1 b8 L: `% s
0 ^ G1 M0 N* E
set credibility-list n-values people [0.5]
8 y# u3 Y4 s3 h% q) f8 ?& {* b# ^0 P" t4 I; _: z2 W
set honest-service 0+ a6 ?+ J9 F, ~
6 l* C# n& X7 l, X2 t2 E9 |5 sset unhonest-service 03 k2 `- D2 q ^
) V. c2 _# p2 m+ aset oscillation 01 S: F% M5 H; A7 N$ N7 B+ W
7 B, `' q* ~* B2 Eset rand-dynamic 0
. {8 N3 {" D; x: [6 Q3 m) Gend* k/ B+ m" y, X3 c' i; z
w4 m0 V K0 O2 s0 }to setup-turtles
1 _# a" U5 G5 A3 oset shape "person"
/ B1 F- w/ O, U/ o# l, P p# Lsetxy random-xcor random-ycor9 v& Y2 d, @# o- I8 B! @! z# c, d1 C
set trade-record-one []0 z3 w4 r1 K- }& H% ~
+ ~3 \1 w0 h2 r- b& k
set trade-record-all n-values people [(list (? + 1) 0 0)] ' j& X+ y! k! \9 H; L3 v
; _8 x" x2 N6 j6 R1 w% F' z
set trade-record-current []
6 f8 M1 Z# Y& W: u( m5 k5 Tset credibility-receive []0 K2 F! r8 z) j0 L+ x) D6 o2 f5 Q
set local-reputation 0.5
, p+ ], Z! Q& \) K I8 S. j( T2 }set neighbor-total 0+ S( E5 N$ h d# N& t
set trade-times-total 0
& u" U. c6 a2 X$ v n& R" xset trade-money-total 0
" A0 h, _* k$ j8 \8 T/ A+ Bset customer nobody0 E0 F @" R( a
set credibility-all n-values people [creat-credibility]4 q' I& R( ?3 Z; g
set credibility n-values people [-1]$ v# z0 X7 [: W8 G
get-color
$ |$ Q! l3 |' J M/ g- g6 p3 r' x' o- A9 d3 {/ A6 L& ^' b- B& O
end( V* n/ V( i# m6 f% B/ }
4 K$ y0 X: E& f8 B$ v$ d
to-report creat-credibility! l6 o4 a, }' P' g( w
report n-values people [0.5]
8 G. m. z* Q6 |! M& Q, B; [! Nend" a! b2 e$ T, ?/ z U
) e; \0 \. b+ ^/ mto setup-plots
3 g' h- o! v8 H. y/ C; U$ a
+ g3 Q0 J+ X" Q' Z' I1 ^. @) a. Zset xmax 30 |" G# A p2 }4 J% g
: Z5 b8 \0 T) v( `# ^set ymax 1.01 t: c& S8 K. k/ O7 _
) s6 @2 x4 d% x2 o9 a4 B" eclear-all-plots+ D: ?5 Q7 Q) v4 x" Q) U
0 m& M: J/ Z5 B! x) x' F. n; E6 r7 ~( u# [
setup-plot1( w) H9 w% u Z- ^" M- ?
" K. A6 N: Q! y" F" zsetup-plot2
* Z. \) i: [0 o% \: _% P) L1 ^4 ^) H, n
setup-plot3
1 k* t5 A9 I1 Z+ c3 c, Uend- Y1 i9 g+ W y! V9 P
5 h# X/ u9 v, T- [: W9 y
;;run time procedures
5 J j/ p6 J* t8 P3 q
4 m W* A% O6 h4 c* wto go
0 S1 V. Z4 L( X+ H0 e5 _. Y4 j1 D* V! b K# ]* R4 o
ask turtles [do-business]: C) c( I6 [: c f
end/ k( T8 P8 Q# t- P7 w+ m: o
3 D Y, @, R4 g$ w6 q& K/ \
to do-business 6 T3 s+ g4 [ }% \* {. G$ \9 `
* u2 O2 J$ R5 o$ M' Z/ `+ B/ e
; B: O7 m4 Z- \/ xrt random 360# Z5 h& ], W v6 N; X* X) Z
7 z+ E3 w# O9 O& z" d. b! [
fd 1
; O7 u2 i% q& d8 k* y# X
$ {8 K8 C+ g8 Q6 nifelse(other turtles-here != nobody)[5 j, V" j/ `: Z6 y, c7 g
/ r& C7 C+ D- i7 P4 V/ L; ~9 ]* }
set customer one-of other turtles-here7 ]8 b% Z/ J; S+ N O& ^; K' J7 z
, ]; D9 @3 i8 R/ o* k$ D9 A: I;; set [customer] of customer myself: b; n$ r1 T5 W' a
: b( m0 {" ?8 k3 M( l0 A! o5 a
set [trade-record-one] of self item (([who] of customer) - 1)
: ]7 N& x6 H/ @4 q5 a1 A3 @: N: A[trade-record-all]of self: G2 m& `6 w. n- x) a
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self# A2 K- A* k8 w' {0 J
8 r" M0 ~# Q* F6 M. F$ o/ eset [trade-record-one] of customer item (([who] of self) - 1)9 r, E5 z/ B, O9 _
[trade-record-all]of customer. [' x& q& R" {, v$ z$ Q
$ m" J7 m6 Z" eset [trade-record-one-len] of self length [trade-record-one] of self3 x8 j2 k1 I! [
. E( E% ? C) k2 Q, M
set trade-record-current( list (timer) (random money-upper-limit))
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ask self [do-trust]
; R5 C" a/ f; }0 G; c) P+ A9 x;;先求i对j的信任度' j$ U4 m+ Y1 R7 S
0 F3 i+ J1 j* W1 B/ R, x
if ([trust-ok] of self)
# K( {! w* o- V4 z;;根据i对j的信任度来决定是否与j进行交易[
) d0 f! l' N U- X+ {4 P$ ?( W- zask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
( V3 N* ?* k% K8 f* p4 R% r/ K4 k, B9 g
[2 D- A# R1 {5 o3 b1 E
- o* ?1 H6 W# p# b
do-trade
5 H9 @# b- y9 }: G, \8 m m* G k; |5 h0 T
update-credibility-ijl9 k* u% [+ m2 D3 E
# p. n. X, ~* G; T2 p+ t4 v
update-credibility-list! ?$ ~4 U; Q) d5 @. ~6 `& y
5 G8 G& o- J* {
# f' t8 g* W* A; Uupdate-global-reputation-list
8 q" @& j, N2 F) W; Z1 B( X
4 M( i: G _& A. c& T8 K1 upoll-class
/ _0 o- P& ^6 G j2 Z+ T: j0 N
9 u$ a0 e: K" \ Xget-color
, y7 Y1 K5 b1 v) w# u) Q. B H6 l# N t% T
]]+ D; E) ~# n/ u( a7 Y) o% m- g
8 w/ S: k1 q: W7 u;;如果所得的信任度满足条件,则进行交易
( X' O' [/ o* j: i' `. K& G% I& ]7 P& n" n E. ]4 v: o
[
& P8 y( q' }8 [2 x/ x4 G9 Y/ @) M
rt random 360
6 k! L" O0 R+ y( w4 J9 N6 I
+ u j9 m d7 s% r* a3 ]fd 1. R; j/ b0 ?# U
7 K7 V! h/ d" {. d# L]
6 X, C& l+ Q' [' G9 g
: }8 T3 O2 f+ p$ C$ Zend. [4 ]; e' j- i3 E4 Q0 \
- @; r, r p! H5 rto do-trust
6 r$ o1 g0 Q; g; o$ Kset trust-ok False
" y, T, c6 ]7 j, g$ s; a( |; Y
3 d& v( n! v8 e' z# l3 e% A) V$ X
4 Y; ?6 \' c! g/ P' mlet max-trade-times 0. g' { D+ L2 D; q- f$ Y
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
, b& G) o9 e5 t+ x# ?' u4 ?2 `let max-trade-money 00 q! G4 G3 E+ {9 [
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
, j4 e* |9 S/ h: W1 j* f' H2 L6 z" Hlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))1 l. j. C8 Q$ P# y- y
1 c" I! e3 r; }% ~% X3 B/ h* v0 E. X: R) e2 Z3 \& M
get-global-proportion
2 N8 c# q+ Y" f. i1 i! x/ llet trust-value
- m. s/ T* c. I- k1 a5 r/ Glocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)2 }4 M+ h1 i" F$ S7 P% X
if(trust-value > trade-trust-value)
1 N' O- R: a( F* M4 }/ r! q. R[set trust-ok true]
2 k8 p m2 ^* N9 {- }5 ^end# i& P6 ~5 f6 S
0 C& W' A9 X9 O
to get-global-proportion+ W4 j' {+ v# M
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
: ?+ G0 e) Y P) L[set global-proportion 0] D( b( F3 \; ]5 c8 Y P; _4 u
[let i 0
* o: e1 e' ]" B7 @9 p/ Blet sum-money 0/ Y+ z9 Y. h, h6 ^4 {, |/ R D
while[ i < people]
$ _% j+ z4 q7 n- K' K[6 r% y% I; ]1 ?4 C
if( length (item i
& P, Y, @: q/ V" K[trade-record-all] of customer) > 3 )* X& B4 t' u4 G* c6 a
[3 t4 ~( a& ?) `% L
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))+ f$ g A# I. y5 ^( z* B4 `# c
]
5 w3 v( { d+ T& H]5 @+ \5 C5 i( E6 p6 z+ G- U2 z, |3 d
let j 0 {2 \8 e, P" s4 x9 k3 B6 t
let note 0& U* ]/ O, v' C3 S8 W4 c: @
while[ j < people]
; q8 m4 j, m. M( k" b- a[, H8 `" _# C. C2 H
if( length (item i$ O: x* t% `8 f3 g
[trade-record-all] of customer) > 3 )/ ^8 b6 `* Z- l; q& G+ S
[
% n" y) f5 F' w- A& d+ Iifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)$ Y1 n* D& y8 f
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]9 U% [7 I9 N( l. }
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
* h" f4 @$ H" B( s! e3 h% [1 O]. F4 ~% J' o* C7 e2 `' r4 B
]
1 A8 Q( p- ?$ y4 |! |+ zset global-proportion note
: h# F8 }9 r; Y2 J]
% o2 N+ m( L: K& Y% mend3 U. u. I0 j9 k1 g/ U
+ g% N- }3 H& C8 z/ [to do-trade0 m$ P, k; r' x- R. t6 I! V6 [
;;这个过程实际上是给双方作出评价的过程' g. R+ H! q* n5 [
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
0 H& Z% c5 e. q6 |" m" qset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
T9 [! ?& T+ q5 m. Uset trade-record-current lput(timer) trade-record-current+ e4 r" n$ N, ?1 Y+ O
;;评价时间6 z( u3 V) N4 X# m
ask myself [3 N! Z Y% M$ R7 P5 t9 Q! q; I; w
update-local-reputation: a) U: ?; ^9 G$ R
set trade-record-current lput([local-reputation] of myself) trade-record-current
9 k6 [; {. p3 o/ E]
3 b0 u7 w* }& I) v) W5 Kset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
0 ^5 m `/ p1 c$ w. X. G;;将此次交易的记录加入到trade-record-one中
& m* k' E7 a* k6 P% R, e" C4 S6 pset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)/ }4 ~' |4 }- h0 a
let note (item 2 trade-record-current )
- U7 H4 D" @- s2 g' Cset trade-record-current! [" I; Z n9 M2 J2 v# C
(replace-item 2 trade-record-current (item 3 trade-record-current))
1 H$ @; E# u4 v$ Z# D* Vset trade-record-current0 C/ ^$ s. B7 F: ?
(replace-item 3 trade-record-current note)
X7 G& X X. k1 C0 @% I1 r
8 o* j3 T8 T. N8 f; W& q/ c
5 ~5 n1 i) n! @3 Zask customer [
9 p1 \$ `0 O5 `% e. F, }! ^update-local-reputation. V0 N/ w6 k0 N% W+ g/ f9 y
set trade-record-current
# y5 H, P8 ?8 F! Q8 h* w' G* h" `(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ( z7 @9 @7 Y0 t4 O
]7 C2 _5 @2 t2 U+ {/ T6 \
* l. a' @8 r( m2 m
- F. z0 `( b3 G5 @7 a) z$ x% uset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
( F" x9 {% W4 M* R& \6 W
. M" I0 m) d$ G! iset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))* H: [% w- r7 h6 d
;;将此次交易的记录加入到customer的trade-record-all中
4 d% v0 G n7 \( {0 Rend
8 C7 `6 p) C, I, K, s( `
A+ n8 U+ R* ^ U( Z8 ?7 D! S+ tto update-local-reputation
7 e1 t" h5 `8 v$ K: w. @; S4 Nset [trade-record-one-len] of myself length [trade-record-one] of myself. X4 N2 K0 z9 I# T" ?. }( G
- t+ r3 q+ Y% a( L
% \7 d6 L: K3 M I;;if [trade-record-one-len] of myself > 3 4 {" P6 k* L- u5 c$ ]9 `& H# a
update-neighbor-total) x# _; Q3 V" j: h+ a$ u1 {5 V9 Y$ t
;;更新邻居节点的数目,在此进行
/ T: s% |7 ^1 _) mlet i 3
+ c0 c8 f: L: j/ Dlet sum-time 0/ S4 g7 R, H4 |9 ?2 v, z
while[i < [trade-record-one-len] of myself]
/ A; U/ ^/ w# u9 ~- e[# `3 X& \2 `1 |7 z/ ~
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
% {. B; k- _" ~. f, p+ C9 [set i1 l0 q3 F7 |" b6 X/ ~8 T1 U' [
( i + 1)
4 W: ?) C! F) E: u4 \5 []: R, A4 F2 y% J& S' W* ?! q
let j 36 }* V" v- S% Z! g" k- }
let sum-money 0
9 o* c5 N. U G) y/ Y+ owhile[j < [trade-record-one-len] of myself]* i; ]/ c1 \# k8 }. K$ ]/ V# w
[( f R7 v* Z. \% O6 X2 R: v" ^$ l
set sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
* w/ P" X3 C' l2 K6 E4 }$ r+ d3 cset j
) m& m$ ?/ a4 h' j- ^( j + 1)
6 j2 _) g7 m- x$ P]
' N3 T- B8 c3 _# o1 c+ l. ^let k 3
! Z* }9 k' Q3 f4 h0 Klet power 0 x! g" I' [1 ?* X
let local 0, \& _7 ]' n! @0 z: T; A% Q
while [k <[trade-record-one-len] of myself]: c% v$ Y2 M9 \7 Y
[
( p! [, `2 M* l j) x4 ^9 l" |: V4 mset local (local + (item 0 (item k [trade-record-one] of myself)) * (item 1 (item k [trade-record-one] of myself)) * (item 2 (item k [trade-record-one] of myself)) / sum-time / sum-money) % `/ j9 }, w2 S7 Z7 c; {
set k (k + 1)
7 z Y/ Y% G3 ~$ n7 I4 G) |7 o]: c d: Z: R, l
set [local-reputation] of myself (local)) `4 ]: H. N* b+ N) ]
end
3 K+ a. w- o9 B0 V6 t4 m/ A
: j/ d+ Y$ \6 t" _ g1 vto update-neighbor-total! u y/ \" G$ ~0 d5 D
2 c7 w8 O8 p2 m/ \) y! T, iif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]3 a0 v, g0 ?+ b- e7 T }& s& i! X, B
2 X- b9 U, d( S. u6 t/ Y" C9 K1 q0 e
3 t( P& ?* V) S- Z2 w5 Iend
- [4 ]* j7 w3 l3 q0 {* L2 W$ L8 f% ?- W. _) H
to update-credibility-ijl 2 h/ C8 T" y/ z: y7 L! m
: d3 K0 c, j/ W! |6 C' T/ k;;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。
" T* T" _3 |- r5 Tlet l 09 y% p# F: P5 u* o# [
while[ l < people ]: }) [8 M% ^1 v4 Z( E
;;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
. w- i; a4 m. o: K[
O$ [6 m2 g0 n: @* J C7 hlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
' z5 t) Q2 X2 M5 n) h% eif (trade-record-one-j-l-len > 3)' x) a9 d0 M# k! L0 y
[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-one5 A+ q6 F% G) K, T$ p
let i 3/ L9 [8 V u( k C( P3 O
let sum-time 04 G D7 N) B; M7 z- I: h
while[i < trade-record-one-len]* y7 i) e7 ]* N# M) n5 F
[
7 O8 t e1 e k8 V' zset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )6 }4 I2 s6 Q$ v0 r2 u) L
set i
( M8 @* n) p' E1 C3 \( i + 1)3 a! v* b, w$ \: D2 P- W! }/ ], G
]- J- p) s& Y, F0 k
let credibility-i-j-l 0
. ~# U; e& X: o( r: j;;i评价(j对jl的评价)9 N% @! }( V! o+ v2 q/ ?) u7 R4 U
let j 3# V1 |/ `! X* |
let k 4
9 A% f! q7 W& K/ Iwhile[j < trade-record-one-len] C- a- D* q" K
[4 x7 l# ^. @: B
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
@; L# I+ ?) c+ V- d9 E( j4 ]6 Lset 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)* q" B, K4 P! r3 s( V2 p( T# v
set j! s! y7 l2 q. i p: ]
( j + 1), Z9 n: M: l$ t% g* _6 {+ j
]2 k$ U" a- k. z4 V
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 ))
0 w% ]9 k6 b( F4 N5 x0 E. K1 Q, P
- Y) \8 t7 j0 U, a
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)). g) t2 ^' a$ V2 y$ f9 s
;;及时更新i对l的评价质量的评价* o" |: k, R- X
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]* l" f9 q! D {$ F7 T
set l (l + 1)
D: m6 M V) k/ g] Z) C5 x8 w# C q8 I
end5 ~' c+ \( y: e y5 B$ G
7 @: r- L- Q" a7 V
to update-credibility-list
7 D9 }2 b) X8 M- T. ~6 J- e# olet i 0
% R& G; ]& i4 M- f7 wwhile[i < people]+ u8 I! N/ t& w3 Y1 ~8 J! a: ]
[2 C3 t$ x5 I$ A
let j 0
7 {$ N- u5 u+ S* d6 u, s& Olet note 06 m0 f4 K8 E% a; B# a/ |, x8 O
let k 0) h9 d% w8 h* e
;;计作出过评价的邻居节点的数目
5 B& E0 p, b9 ywhile[j < people]) V2 |9 O. ?# \5 ^" O
[
' M2 A1 l. K" b% a' r) x& ?if (item j( [credibility] of turtle (i + 1)) != -1)
; s% @. p0 o+ i+ z- n;;判断是否给本turtle的评价质量做出过评价的节点
1 h' |/ { K, a+ I$ c( @[set note (note + item j ([credibility]of turtle (i + 1)))6 T) V# ^( J0 f$ V0 }
;;*(exp (-(people - 2)))/(people - 2))]% V- E6 z1 h& V; V+ j
set k (k + 1)
; Q4 e# g) l" Y, N g]
$ {+ P; c$ l, }: Z" uset j (j + 1)
7 ~; i" y/ m+ @( r]
$ g( _2 n; i! T2 Xset note (note *(exp (- (1 / k)))/ k)
/ _2 K: }8 l3 X/ | I P6 P/ j- x7 ^3 vset credibility-list (replace-item i credibility-list note)
4 o% {+ C! x6 j! L* g3 qset i (i + 1)- T" |8 [ g6 O# y9 j3 r+ e
]
' A! e5 l' t* |, R* Mend
# T# |" G2 |. x9 V5 \1 c( V& `9 X$ [- O4 V8 a9 G
to update-global-reputation-list6 P/ _) m( V1 r) O3 S
let j 0
1 Z) u) j4 q: P; _& ?' t6 q9 Pwhile[j < people]
( t4 m [1 O9 I6 e3 ][
, h" w1 r' e( H2 V0 V1 ^let new 0
" Q, o& l+ |- v8 k;;暂存新的一个全局声誉7 C+ ^" A2 r7 Y
let i 0/ p. |5 ~# B( O5 `6 A
let sum-money 0$ Q) l# Y4 U: b$ U/ [" l+ R: n3 P
let credibility-money 0
# q( }9 P+ g$ Z ~" {( S2 hwhile [i < people]# Y4 k$ m- |' K4 X& I. Q; @1 B
[* b# I R3 f( j: ^- l4 X5 k
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))! ]& @% r! ^# ?5 i0 Z
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))- E8 t: |5 V3 z& D8 m0 a) e/ F, |
set i (i + 1)
7 y7 N5 w& G# v* S0 q P$ f& q]
5 D/ @/ @. N! qlet k 0
/ s& i- H: k' D; slet new1 0- D4 r, S. Q0 b- Z, Y
while [k < people]
$ v* x2 B: S8 u, E0 Q' C" _[
- M: Z9 T7 d% n9 f' ?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): m# E- \' O% z) m5 O
set k (k + 1)
0 ?2 x" _, l, {8 g]
# Z- k" D1 [1 Zset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
# T* W* U+ L6 w- Q2 yset global-reputation-list (replace-item j global-reputation-list new)0 D- V# J9 E. u; Z
set j (j + 1)4 e$ M8 W2 ~! B0 H p/ F" ?# s
]
9 y- Y# I8 X6 H+ J: O3 Wend. C4 R8 y/ J$ m% N/ l8 E2 L2 p
9 C7 h3 P/ J6 f
! ~8 p9 |! w2 a9 Y1 f3 R. }) o: ^0 n0 A. Y& W2 t( V& R
to get-color, I* ^6 j# G1 a( {
5 B! V: [4 h Q% E9 Z
set color blue
. I- a% p) X# h3 Uend7 H& {; [/ k1 k9 |
/ t+ g9 o7 m0 ^+ Z2 d, ?2 Hto poll-class
: ^# O. n( r6 t9 g9 t$ M4 e* Z4 X& [end
6 g; y/ ~2 }* m8 D- C8 k
' e7 L+ a2 A8 E1 W6 \2 uto setup-plot1
# S4 v7 L/ [" z5 J' _4 j5 I& a; o+ Y+ q- f0 U$ V" V
set-current-plot "Trends-of-Local-reputation"1 z! {" a- {3 o
' Y; k, d6 v" v& D! l* A. b: B! qset-plot-x-range 0 xmax; p2 z( m' `. g4 q- k
' l; y- A& {0 a( _. c- a4 dset-plot-y-range 0.0 ymax
# G/ C7 A& Q& e4 Rend
. K9 A2 |$ _( C7 t* D' J7 d/ v0 k, Z3 ~" O9 o
to setup-plot2
, d9 X' `) i# u& w$ `
# I- N. v# _* fset-current-plot "Trends-of-global-reputation"' d8 T2 a/ a- a5 B3 ~/ _' x D. z. c
% t! }( s& C' j/ [5 `) z$ R0 K* `
set-plot-x-range 0 xmax
# K* {0 R4 [- [$ R5 i! G( m( Q* t4 w) ~& u8 W, E6 ?( k q! Z- ~
set-plot-y-range 0.0 ymax5 c2 Y& U1 L0 |: p
end. ^2 b/ [' i7 ]: | Z# d! `
' l, W/ x/ a" ~& a$ W
to setup-plot3
* f' y- T, M( s# Z6 C1 C g1 e( T R. [/ v' _8 K0 `5 O. |0 C! W
set-current-plot "Trends-of-credibility"4 D$ Y3 f6 a/ [$ l3 D$ E& q
4 q9 Y1 W2 F0 R- G
set-plot-x-range 0 xmax
6 Z7 _: R+ O/ c( n6 U! i) B: ^2 S& ~1 ]) d4 R# |' P
set-plot-y-range 0.0 ymax( D% c! U. W! E! S
end
K2 ~6 k* l; @/ T" S; c. q3 m! M; m2 } R
to do-plots
J- S9 H! D- S7 ?4 z+ H" wset-current-plot "Trends-of-Local-reputation"
2 V% V; x; h z) N. tset-current-plot-pen "Honest service"
- V# ~; b) A/ H2 M7 R( o6 \end
7 @$ ~1 W1 O! u; H% d
+ n8 U8 A& T2 h+ A. S[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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