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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
0 s( E, I& c3 n I H. iglobals[; `, J2 j1 t9 n; H
xmax' f6 y- g* J- r% j
ymax; D8 e" S' V8 g m! v
global-reputation-list
1 ?. j! E- \+ J/ v `+ j0 i3 `
6 h8 [$ Z: m* g# ?;;每一个turtle的全局声誉都存在此LIST中' z9 B# ^, i7 L: U+ L3 F
credibility-list% c5 l7 O ~; w- m. L
;;每一个turtle的评价可信度- `/ ^" o( F* w- l7 V$ T. B0 g
honest-service
0 ~6 y( J0 M. [/ Xunhonest-service
% z! r! {1 t# foscillation
9 X+ b* N/ w: S/ X% Q& {rand-dynamic# ?) \9 v; d( e5 G- n) r
]. M% _$ w8 Y' y
4 A1 ?9 u" e) _# _/ h- P* A- s
turtles-own[, B/ x; D2 i; w
trade-record-all
, G( R! ?( t3 Y4 H;;a list of lists,由trade-record-one组成- Z8 ^* r/ f; F9 U3 b9 r- ~% j
trade-record-one
9 }6 D4 q' S+ R6 q6 A6 T9 f;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录+ y( T8 q! G. p
' K# F# @- Z0 g4 q' e
;;[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]]. |, S! W0 a3 ]# Z6 m0 ^2 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] b" o+ M% a: Y5 O: m
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) L3 Z3 X" u$ s# C# u" D. L
neighbor-total$ m# A3 D# T/ K$ V4 o3 l0 q
;;记录该turtle的邻居节点的数目
" h: R, g0 W0 }$ G: g1 @trade-time' H5 D, J3 j4 P
;;当前发生交易的turtle的交易时间# V5 o0 Q R8 n3 M/ u4 B
appraise-give2 @# v8 G( @' @( x4 u( T+ D- z6 t9 c+ u
;;当前发生交易时给出的评价8 |& f7 x5 O6 g F, J: S9 Y- Q$ C
appraise-receive
0 e; Q# q0 z" o;;当前发生交易时收到的评价: |! l& N! s5 z# B& O2 i
appraise-time
& v5 F1 G# ]1 z# m5 U1 T;;当前发生交易时的评价时间0 u2 n) w7 d7 N# [: n9 l% R
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
. Q" O1 B" E8 p! K( Gtrade-times-total% D$ G% M' A# d2 i4 ~
;;与当前turtle的交易总次数 n1 _6 z( Q$ _4 c/ \8 J: }
trade-money-total
M/ L* c" w, I# C;;与当前turtle的交易总金额
4 X/ I& k2 g3 Xlocal-reputation
: q* T4 | N7 Y8 B8 q' B, w1 Nglobal-reputation
" }0 l; U4 ~+ p/ m5 g( n3 Q6 `: ucredibility
7 s9 \6 |# N }: X" f# Q: I$ D y;;评价可信度,每次交易后都需要更新2 X2 m5 k7 \9 C4 _2 T$ }
credibility-all$ I& O3 v. C- J- W! X8 r3 z4 Y, q
;;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& _/ U/ ?/ M0 Y+ Q
" k5 T/ C& K: W. X+ Q* _;;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
7 ?3 N' y6 J% G- S8 k# p5 ^3 B; t& Icredibility-one) H/ u& C) X" e ?4 c7 j, u
;;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" a v8 j; J+ c L) T
global-proportion: B5 [9 ?/ j7 @8 @% p
customer
/ Z7 _/ `( w' r7 X5 p% N! ?7 E4 ecustomer-no
1 v) S* f4 U, G9 otrust-ok9 c' i/ } G; u/ R' L
trade-record-one-len;;trade-record-one的长度3 m5 f) V# R% H/ `
]
! `" K5 L' M' a' C3 O4 `) X. C4 g+ S6 I0 S! p
;;setup procedure
$ x3 ^/ g! f+ s& ^, L2 X# O' [* Q* x3 L; o4 o
to setup6 O! K4 n+ z4 \" G, f
8 R9 Q+ N4 b& \3 Y% Uca" O5 c- B4 h! b9 O, }
# Y* S5 R6 R) \/ i+ g" binitialize-settings
5 a4 c7 [, _" _' c" k- B$ H9 a6 p% S! }3 c3 j! X3 ~
crt people [setup-turtles]
) ^5 v5 Z+ w ?2 K+ j. \- a9 E
2 J& e3 k5 O8 \" [: y6 Hreset-timer
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poll-class- b2 H/ f, x: L# N
. R* F5 k2 Z( ` M
setup-plots" ~2 o* F) V* M* G) n6 N e J% }3 M
% q/ f* W! Q0 u$ |8 d! ~* \
do-plots1 o2 Z/ T8 m0 B" H( @
end2 K, j, s6 b9 d: |
Y4 g0 i4 B' t. G: {
to initialize-settings
8 z9 ^+ C9 |4 A& [0 ^2 f5 N6 _% F
- A6 w+ @" M2 j2 c5 C0 f8 Uset global-reputation-list []
! V& y* p- k' w2 c6 u$ r& @% W/ \" |+ I$ P1 y9 O$ _0 x
set credibility-list n-values people [0.5]# h" v. B/ S5 J9 `4 F5 e- x
6 k8 G& m# g uset honest-service 0
: B6 H- D, `6 e$ {% ]! f2 @: C' e# ?1 b
set unhonest-service 0
( V# H. } Z" L$ l# S b
4 \1 b; A3 W9 l8 a# h- hset oscillation 08 J8 G. K: R9 `. n, c
! }8 R" _- o2 G% vset rand-dynamic 0/ M5 F* c I) ^* v. G: E K ]
end/ k0 \. a, ]$ d+ L3 Q
) @* P% g( ?1 B+ y% gto setup-turtles ( a! p+ k' V5 e% x2 m: T& W
set shape "person"4 Y! Z$ b ]# |& n6 j6 h$ u$ v
setxy random-xcor random-ycor& E0 K W9 j. A3 T5 e4 I5 m; u$ W
set trade-record-one []5 k2 h5 w7 b; [# D
7 ^. a2 h$ w# Aset trade-record-all n-values people [(list (? + 1) 0 0)]
$ ?, y4 r4 m+ d2 d1 d
9 }0 @4 }1 }+ w% w/ v2 Zset trade-record-current []% X1 V- ^4 k9 L! h: W9 g
set credibility-receive []
- L5 [ y5 p' `8 sset local-reputation 0.55 z( y" R, S/ L5 y5 f
set neighbor-total 0
$ W9 A4 R5 m' R8 T- M! uset trade-times-total 0/ u( Q! Y& @8 u9 G% K5 e) L% K
set trade-money-total 03 o ~* D) F" n: e0 @
set customer nobody1 ~- L; m$ y" V
set credibility-all n-values people [creat-credibility]/ F5 A7 T& X7 z2 r6 }, [8 |* M
set credibility n-values people [-1]
% j+ ?- U! {& h, e3 v$ lget-color
0 \ _8 g) L0 s5 z( Y0 X' J# ?2 n' K( t" l, ]
end( c$ L1 C0 e0 S: S
9 m1 M( N$ Y0 c% ]6 S% T! T
to-report creat-credibility9 H% X! m8 Q3 H' W
report n-values people [0.5]9 A2 z$ C) h: i6 i1 v" m
end; u, t9 t1 q# x; k$ t
: d H1 A* \ p8 _( Y$ p& r! \( C
to setup-plots2 W3 A) A: h1 C5 L0 n, G0 z
4 @% Z2 O3 D; l3 m3 j$ s6 [
set xmax 30
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. \; M) X( @* g* F4 |* n% C* gset ymax 1.0$ m2 Y4 x6 `3 P. C
& o9 c. V$ A; z5 y; H) rclear-all-plots4 H' T& Q5 w# n9 W8 N
. u5 Z: [% h$ j2 c% U0 J
setup-plot1/ s& Z$ A4 b% Z- a* K. A
6 V: k+ |$ O* _) y0 }/ E
setup-plot2! e" @+ f1 z2 d7 v: M, F$ ?6 a
# k; a* @3 L8 a* R$ K2 r, m5 B* Usetup-plot3: y. s* w' j0 s* [# ]. N
end9 F8 a% I; [- F. h; f. i
6 |: q D. J+ a7 K9 D/ E' K! h
;;run time procedures4 \# u5 i1 o2 b* ]) M+ r/ z% r& J, h
, a3 v* v/ |; D8 Z" B
to go
( @% K" }) K+ e b c y
$ ^9 U i6 ^ Jask turtles [do-business]
) \5 H2 l% d: s" O9 x) I- a) qend
b: n1 l' O9 B4 u3 m
1 J5 f: X9 R/ z& w2 m- qto do-business 8 ~- S# f' p5 G) [
" x+ |- X' ?( i) `9 e2 W) u: |" k
9 b7 G# P& H5 s# grt random 360
6 w3 N$ n! x& y8 T: Y {8 a. u3 ~% w* a! U' W$ U% Q6 |8 `( p
fd 1 I) J6 P" J: B
& M4 v0 _! r" ~* C/ g' ?/ h, Zifelse(other turtles-here != nobody)[
( `' i7 W( ]6 X+ \
4 A1 C* ?/ W, F, t2 C c5 kset customer one-of other turtles-here
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. T6 g9 ^* f" G0 \4 }8 G. ?3 \;; set [customer] of customer myself; T9 u! `+ A1 B+ `" N J+ _
; R2 u8 T$ C* F5 S- `5 gset [trade-record-one] of self item (([who] of customer) - 1), k4 R( J+ e+ O2 V9 p
[trade-record-all]of self) P) k s( s5 d
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self# j- |4 B$ D9 ?: T6 C7 p" O' k6 t
( J, h8 [( E: J$ X. L M) Iset [trade-record-one] of customer item (([who] of self) - 1)
' H' y, s) |: B9 m. t2 \8 Z[trade-record-all]of customer
/ d% N( |( |" L$ ?; M
: q1 @+ ]$ g; t, W( V+ r Wset [trade-record-one-len] of self length [trade-record-one] of self( o o% g, E- U$ [& R( B
z- Y5 _2 Z- O/ X/ `3 K
set trade-record-current( list (timer) (random money-upper-limit))2 g6 `- U( {( ?) r! p
9 l2 b. O/ w% R- P% W' H
ask self [do-trust]
: K$ s$ Q; i" N$ Z;;先求i对j的信任度6 O# R+ A, X% {+ J/ i) y
" h( a1 Z4 K$ f3 j$ |( o0 z
if ([trust-ok] of self)1 m r2 M0 x- z
;;根据i对j的信任度来决定是否与j进行交易[
; _) G$ j' W* K. Y- Kask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself( S: q( E1 G4 v7 _
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[
`, h3 U$ H/ b6 u: F8 i. X: w, ~& F$ ?% X) D
do-trade
3 ]. ?& t( g8 I: h% P% _4 g! h, J& }" {& q2 P) u
update-credibility-ijl6 I& S2 \4 ^% H Z- a' ~: I
8 x6 ^! R; t% d8 r9 y& P$ vupdate-credibility-list
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: |$ s$ |# {7 u \9 |! I
update-global-reputation-list
+ F+ x/ W: |; L! p* A& E! R! ^! o1 S( ]$ o
poll-class
8 V! o8 z+ b$ `. ?( n# M# G- Q, Q* `
get-color: Q; I# U; o( v/ s+ ?6 B
?* z# n' f4 u) U' d/ ^- H]]' J2 }6 C; a3 V, ^
2 s T# C5 ]9 R9 ~% O3 o
;;如果所得的信任度满足条件,则进行交易: O0 w+ c; ^4 b& \
+ f& ?6 y0 z! F3 ?+ s/ \
[
3 F4 \1 a0 P' f' J+ @1 f# F1 B# S! t# |- _- Q% }
rt random 360# A- L E, R$ E9 W* i; G: `
, ^7 R6 I: i" o: x) m+ e6 Q) j
fd 1
" t, D2 f4 u. s, g* H8 g- T) ]/ T
], f8 P1 ]) w7 ]2 N
9 R% \4 M( a- B! g
end! O" l( b z1 Z T
4 d' y C! U/ K3 ]+ J rto do-trust
0 G7 g4 L5 S0 @/ _set trust-ok False2 U: N" I2 k3 [
C8 \4 [3 F8 n4 |, |8 Q, Z
; Z; V& c3 g2 y) H7 r, F
let max-trade-times 0% S/ X8 l% Y; ~1 Z
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
# W7 e1 _; g. T! i4 |0 K4 L8 O+ V* ^let max-trade-money 0
9 T) N0 [2 J, N$ o: C Z4 Aforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
) S* {* R8 H7 B# t8 h+ llet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
- i) V3 `9 T' f5 F) L: ]4 n! O5 e) l6 h, ]$ s: T: q9 c
$ Q) a$ _' m4 b- D" ~
get-global-proportion
. X( u k% B7 f$ s0 J4 Qlet trust-value
2 H' K& n/ `" b( O' q5 m$ T- H9 Vlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)* s3 Z3 J- b0 c2 I- Z6 [) l
if(trust-value > trade-trust-value)
9 e* [$ o" |( g: |[set trust-ok true]
+ X3 L- j( n( ]( y; j* Yend
( C! v- s9 @6 P! i/ H. \' D4 p+ A) l$ n4 r4 _
to get-global-proportion
: h0 b9 V! d. |/ O' v1 sifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
- Q, X% e7 q/ [4 a[set global-proportion 0]
2 I& S e& H1 h! @2 k[let i 07 ]# ~! x% i$ [6 ]! j/ x
let sum-money 0
4 J1 C1 ?/ l4 a( j; kwhile[ i < people]
2 _; z1 W" @* j3 g( x[
( L4 M8 r1 s5 Y6 y- f# tif( length (item i
/ D" U7 Q! [0 D2 ^8 b0 T! z: I. O[trade-record-all] of customer) > 3 )
/ f; O6 t$ ^; ]5 }/ X[. V; o3 V( P) M* f
set sum-money (sum-money + item 2(item i [trade-record-all] of myself)): k2 @/ p; V' Z. G. X: c6 t6 v
]
" o' [- ~9 |! t8 X" j! u$ E]
( _- Z% X- ~0 h& ulet j 0
/ V ~' I" o8 c$ k, W1 F3 D# plet note 0
% r/ T) s5 [# {- F+ _5 G. ?' jwhile[ j < people]
* j. {5 l. _& `$ n6 S! V[1 a' @3 `' G2 F& u& |
if( length (item i
j; L8 U/ R1 |: Y9 v' @* V; A7 L[trade-record-all] of customer) > 3 )
0 D* O% c8 y/ [' g, b9 E; o9 \[
( ^1 t1 \4 K( H2 g# S6 e3 O+ [ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)5 l$ N6 @1 L/ s
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
! P+ Q. W5 |7 L* G0 j7 ?" M[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
$ |( `* f# W+ \2 X0 U]
& D$ ~* ^( P) y) V]
( p' N% q* f( N; G/ Y7 L8 C% iset global-proportion note8 t% Q' l4 `1 W8 U( R& r
]
) N9 S1 b( m* c! o$ y/ l8 jend! w2 W2 R' E+ D, e- |
9 p% K5 D2 W* E
to do-trade9 f: ?; L6 L! S% M
;;这个过程实际上是给双方作出评价的过程
" o' j4 S/ p, Wset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
+ e0 b3 E" ] G) ]% t; mset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价3 a) @& K3 n) f/ w) g$ o
set trade-record-current lput(timer) trade-record-current
2 G: B5 ] }0 A0 Q$ X3 e3 h2 A;;评价时间: q: l7 n" s r' c9 h2 ^
ask myself [$ U2 C6 b' ~9 E+ f- E) m
update-local-reputation
4 p0 W1 a# \2 a% |9 hset trade-record-current lput([local-reputation] of myself) trade-record-current$ d3 O3 |& i) f" @% [( B8 A
]' Q! P) J- t( f4 K9 O8 C# I! C
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself4 H8 A C- @# b9 d
;;将此次交易的记录加入到trade-record-one中/ z" H4 k) Q1 Z1 n V
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself): U% N n# m- D4 {, d! R! \
let note (item 2 trade-record-current )
# M1 w8 \/ U+ q: ?8 @set trade-record-current6 c" \% Z; O) M8 u% _$ Y, d
(replace-item 2 trade-record-current (item 3 trade-record-current))7 E- S* c- l/ w% l. B
set trade-record-current' c' e* z' Y- z" p) J1 ]) X L9 w- z
(replace-item 3 trade-record-current note)
& Q( ^" L9 @; v
* G! i L( w3 @) M( R; i# c1 e
5 I) b% i& F# S/ m Wask customer [
; O9 d3 ^9 k* E( K" ^4 s9 [& yupdate-local-reputation
% {# l b% g( g4 C/ tset trade-record-current9 F% j& P; u1 D! L2 O
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ( z7 P' v+ i! E/ V4 B2 k8 R z4 u6 v
]* `0 H5 a, B& s7 I$ z4 X
$ r- l3 L, E# U8 u
4 v5 D: K; m7 [, \
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer, Z! q) g" Z6 ?) F5 Q! `+ s5 Q
% s* w9 @( T" B2 g
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))0 x3 K# t8 [7 m C
;;将此次交易的记录加入到customer的trade-record-all中/ e' z3 m! f( H0 p
end+ A6 I* `/ V5 d: d
7 l% H2 D3 o. [4 [5 f& |
to update-local-reputation9 b5 z; f# C3 [+ t3 e0 w
set [trade-record-one-len] of myself length [trade-record-one] of myself
3 D* K. ~) v. ~# U
7 j p5 b- J1 j& Q" X1 u6 g; Q+ [# T# r& ?
;;if [trade-record-one-len] of myself > 3 2 s# D) J+ ?; I3 }* Q
update-neighbor-total
$ E, I5 P. r1 z+ @1 h4 z5 [;;更新邻居节点的数目,在此进行
% J; } {) A2 E" Klet i 3( x6 t. V& R; ]4 Q
let sum-time 0
8 n& p- c6 n. Q! a% P( K, c5 Wwhile[i < [trade-record-one-len] of myself]+ l9 v: c+ h& M* {" V
[$ u* i9 f/ Z9 j" ? L8 O
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
7 I; C$ x5 d1 v2 u( Vset i( z9 q7 b- @ a
( i + 1)
7 e c2 A/ C8 ]9 a% l. \) `]
3 C; k" P4 b, j9 D; M; X5 B6 alet j 3( ?2 s0 {4 H+ I" [
let sum-money 03 {, B; c5 X1 m- Z6 `+ n6 e
while[j < [trade-record-one-len] of myself] t1 w8 x6 M. h- z# N
[
) L- g! C6 {4 }. a3 b! M3 A' S1 J: oset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
, Z+ U* B+ Y) F: M1 H1 {& qset j
6 W; H( F7 ~* J7 ~( j + 1): |( f9 ?& n& e* f5 [, A
]1 u; Y( ]+ j( o1 J- B
let k 3
0 Y, G8 R; D& U4 ~- p# ^9 _let power 0
9 d; J( \& o' @6 E% I8 i `& Ulet local 0
4 o3 _8 N' n/ B2 ^; Ewhile [k <[trade-record-one-len] of myself]
3 T6 ], _" ?2 ~; F2 m[( ?2 n- w5 `- X, V7 ^6 y* i
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) . F8 F) `# ~6 K
set k (k + 1)
F2 I6 _# |3 y% U o5 p]4 u- W$ V1 E5 D( P
set [local-reputation] of myself (local)
7 s5 I3 H5 A- {0 ^: send
1 y* i" y9 T+ V4 h E9 {* g1 ?! s; i0 E$ V* r
to update-neighbor-total; t: m% X/ O, B* [( X9 ]2 C8 u
2 w6 j" G9 a) O: tif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]+ h R- T% f. n# O- p2 x
9 {2 e5 L( t: A' }4 k( T7 d3 B8 l
3 C! B' E0 Z; W, q) m1 Eend. N% c' v; u1 t5 y3 D: U$ ^. m& S m
- w9 P2 N% w9 B7 R2 c [4 G
to update-credibility-ijl
; `# p$ E4 b+ T: z* Y; G/ p
/ M5 e3 h! ^. C$ 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。
6 P7 q" B/ \0 z4 F- q" ylet l 0
* Z4 {' B: J5 s: p5 N- Z1 R, Rwhile[ l < people ]3 Y, v- Y" A3 @& l8 L
;;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 e% C7 x6 D5 x- K0 K t
[5 B! Y+ V H2 U: O$ f: l0 J6 V- N$ K
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
% ~# H; H0 u0 q3 {2 F( rif (trade-record-one-j-l-len > 3)
( k' G% w* \& U, l0 G[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-one2 ^ }) W _/ S) |
let i 3. q. k! @% i; |; j) n
let sum-time 0
4 ?1 h8 d2 P' H" t7 hwhile[i < trade-record-one-len]0 C2 ^ E1 Q K1 N, F- x/ e
[% h( B" ^9 R2 u" w
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )" z4 N- u* V3 R) a
set i
& s3 L8 o, |/ M- E- C0 C( i + 1)' D5 ]2 F! U4 o( J7 u
]5 l3 y9 j9 x) H2 c, g% T
let credibility-i-j-l 0
2 K$ p$ `" m2 V- s;;i评价(j对jl的评价)
. y+ |. W. `, O/ Slet j 3
: N: q4 F, [1 p, ~( z7 U2 nlet k 4) t/ `4 B% `6 v" J+ o
while[j < trade-record-one-len]* A+ `. V# Z$ l6 b6 B
[/ T; H+ g! C7 ^; Q$ e9 q
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
( A, S! L6 s7 b3 aset 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)
( Y4 R3 g# @# R$ G- J) Bset j
( i4 z, R7 k( T, ]( j + 1)0 Q. N& h. y/ H6 }( W- S( _" x2 _
]
- Y4 R7 U& p3 G( g2 Bset [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 ))
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; n. Q( `% A# t& C+ ~6 o' k8 T7 o" t6 M& w- R2 g1 ?& s
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
4 y$ u1 T7 I6 I. {2 Y;;及时更新i对l的评价质量的评价" u7 P& W, x. Q% [2 C) X
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]* `" r) Q( L, R& y% N- a* r) s
set l (l + 1)
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end3 y: ~8 r8 B( @
( j% ^4 U% j: S C' _4 j3 M
to update-credibility-list* m- U5 x d! p. z0 a$ n2 {
let i 0
$ f& v0 R* a+ Swhile[i < people]
- W2 K5 q* V+ k- U+ H# i& J[
; }" w# a8 ?7 p0 y% zlet j 0% |! _% C! ]- }
let note 0
- c# t" ~4 @+ m0 ~1 Tlet k 0
% P) u# v; [: D7 _ n2 L! y7 Z1 p;;计作出过评价的邻居节点的数目! `& ?3 D0 d7 s% r) m3 F6 P. |; V
while[j < people]
# `) V; Q& o+ Q2 [2 _/ K[6 s: {, @+ y) z& O$ g
if (item j( [credibility] of turtle (i + 1)) != -1)% L5 h; N$ Q2 n) n% r
;;判断是否给本turtle的评价质量做出过评价的节点
% }8 S: L r; J9 I[set note (note + item j ([credibility]of turtle (i + 1)))8 L& |0 }) c9 e7 n
;;*(exp (-(people - 2)))/(people - 2))], l: `" z* W9 N h
set k (k + 1)
: I: N# A" R+ W! ~1 x5 P. Z]
$ x" {; i/ p" ^8 k: a) B' Qset j (j + 1)
0 A) X" m. f, n6 `]; ?7 X) g9 D4 p6 X2 A" H6 D" j' E
set note (note *(exp (- (1 / k)))/ k)3 n7 ?6 ~( Z+ q, S/ F
set credibility-list (replace-item i credibility-list note)
( t: v+ a% g+ L: `5 M4 K4 mset i (i + 1)# l5 b2 x! w" g$ ?
]( a& X8 C1 G% E' u# G
end
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. v* R- Y6 c: g6 y& oto update-global-reputation-list' l" x% ]( d- T. G2 e1 Y9 l6 k6 J
let j 0) \& ^% M+ [+ z5 |, {' _
while[j < people]; E4 G/ O h% M
[
7 x3 D) L m# Alet new 07 i' b: H% g8 v" Q ]; C
;;暂存新的一个全局声誉$ f) ~- ?1 j. m6 Q& \6 |# Q
let i 0) ~+ B1 |9 a0 q d: o# z4 R9 {
let sum-money 00 B+ C: T9 o# u) ~2 [5 s
let credibility-money 0
# M( Q/ O+ B+ Z4 g/ gwhile [i < people]
: z5 {8 L! C) x6 T2 ~/ |. x[, C3 }: ^* h4 Q+ ]2 `
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))6 g6 \* S& Z2 l1 O
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))! F) i$ z! C. p; H+ w# {( ~9 _) ?
set i (i + 1)7 |6 }3 {* C, o# h5 |# d3 m
]: c. @' l. m- K$ w) h0 J
let k 0
- w" s+ t g) zlet new1 0# l' q! ~" h6 H2 v( d& L% ?) L
while [k < people]
3 F8 ?, ^6 q( s1 I[0 R3 f8 G$ y* j2 W: q" D9 a
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)
6 ?3 X5 l) O0 Y) h! |/ wset k (k + 1)
6 o2 Y6 G1 e4 M* o( T! g+ @]
0 L# q3 a2 s0 T( r4 U$ jset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
. M" m* s+ E$ l$ C# G- i4 Nset global-reputation-list (replace-item j global-reputation-list new)
. j# g) E) e; a: mset j (j + 1)
3 _) l$ N) w9 U$ S: I0 w]
, r+ X, k" o$ Rend6 C; T$ j- X! Y1 g0 E( E" {6 C$ @
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to get-color& T' F, h! U F: W+ l; n
1 x1 h* z( V1 F( o" j
set color blue3 ^! z0 p: K' x6 h" K: m) a
end
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6 \; P% E) K: _5 Gto poll-class1 q4 S+ O9 Y) Y+ H" C
end
* K- ?% i5 q: {& P' n: Z
) T, \! D- |# Z7 x% `to setup-plot1. s7 i7 o8 |: O: F' v
; o8 R6 R/ B" Z* f2 {3 p+ Rset-current-plot "Trends-of-Local-reputation"
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+ H( u% f) ^, p3 xset-plot-x-range 0 xmax" H8 V5 P. Q, X. [3 l' g) S% ~
7 C" s( u$ U6 b* p! n& w( x+ d0 I
set-plot-y-range 0.0 ymax
2 y$ I& t. J- B* ]2 J' K2 Rend
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1 a, W0 ]6 W8 Bto setup-plot2
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set-current-plot "Trends-of-global-reputation"; C& A; @, ?6 l- V% w! p
) t) N7 |* ?" ?2 H$ ~+ y0 ~3 Q# Lset-plot-x-range 0 xmax
3 O3 o D, J M+ [8 V6 {3 l2 _& T8 h% F
set-plot-y-range 0.0 ymax
/ Z: f, r. ~( |" }7 r% q* n* |3 iend
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; E. m0 o8 O. n/ d! Vto setup-plot3, D% o0 l5 ?) S* p8 `5 t8 i _
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set-current-plot "Trends-of-credibility"
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: U( i4 R; B+ I. w; K6 z3 rset-plot-x-range 0 xmax
* `- ]1 _7 v+ z3 Q% A9 ]
# ?, Q: q# J8 b- wset-plot-y-range 0.0 ymax. t, Z/ U" V/ | B# V9 k
end
% C: `2 J+ h7 O9 }7 ~0 {/ M/ P& ^0 w2 I8 h5 T: V# h
to do-plots; v- z1 r z( s
set-current-plot "Trends-of-Local-reputation"3 ~2 e1 O7 s+ h
set-current-plot-pen "Honest service"
, b" J Y; Y" Q9 J, G& C) Fend
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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