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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# q4 L7 }* U) s
globals[
5 d5 o2 M0 m; @xmax
7 x2 @2 L' {( W( h8 o6 xymax
/ }; }: k# ^8 O$ a2 xglobal-reputation-list
$ u5 d/ c7 F) C1 g' y* g5 {1 L
1 f3 |6 @) X6 h- n7 l;;每一个turtle的全局声誉都存在此LIST中
2 K4 e; R Q4 M5 h# `7 kcredibility-list
! c! w& u3 `& K; r;;每一个turtle的评价可信度3 z7 \! |* f9 M0 x5 o _1 O. T9 ~
honest-service
: @! y6 X2 s1 P( ^ D* k2 _/ xunhonest-service" Z ^% A" I$ v: C! p5 F
oscillation
+ C; X- {' B+ Yrand-dynamic6 n8 o7 k( c* l/ K r
], }& B& j1 @0 X5 U! C4 ~5 L
. @9 X0 e0 W( I" F
turtles-own[
8 s; W, T6 _) k6 U- _trade-record-all- P) \- w. A: G5 l
;;a list of lists,由trade-record-one组成5 l+ T+ B2 f5 u+ j6 r+ u
trade-record-one. }: D' N$ s4 C; g5 I H
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
& a& \- E1 ]4 a4 m3 E" K6 [
: @8 g7 }6 u8 M$ U1 W5 U;;[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]]- D; B* ]5 F1 B, X
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]
, c& [$ o* A, Z, k1 i8 Y. 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
6 Z& `% N" R( \; S: j# aneighbor-total$ C2 X; F5 N( _0 j
;;记录该turtle的邻居节点的数目0 ], \6 `1 ~) J, l5 X3 f
trade-time' t! y8 S" i v* H9 h
;;当前发生交易的turtle的交易时间- C1 l( S) w' b) }
appraise-give
" b. L4 c/ b2 T1 o8 E;;当前发生交易时给出的评价! U, [, B3 d& t3 i3 b; L
appraise-receive4 e( |& @+ w" t: m, F7 ?
;;当前发生交易时收到的评价3 Q! X4 `% t/ C
appraise-time4 ], \. F' o( S& [1 E
;;当前发生交易时的评价时间5 }& o, O) j4 I# q P; P. H
local-reputation-now;;此次交易后相对于对方turtle的局部声誉- `4 V5 M# g' Q J2 t
trade-times-total" v+ b& E2 o) L4 i7 S
;;与当前turtle的交易总次数9 n: Q8 P$ z9 s4 B9 ~% a
trade-money-total9 l) H$ {. K: ~7 t
;;与当前turtle的交易总金额
2 X. |8 Z ^* ?% qlocal-reputation# U1 p1 b1 {, Q, F: `
global-reputation
! `6 l" Q, c$ T. |7 L$ z2 Lcredibility
9 e4 @: e/ W8 q3 Y. T6 S( Y;;评价可信度,每次交易后都需要更新
1 a6 U2 ^) x& H8 ~: kcredibility-all2 l& C! z Z8 L) z
;;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
! _2 U# T& P6 @0 a- m1 C! ]
0 y4 `: u7 z+ @) U;;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0.55 t3 J* l7 X3 u6 N. t% m6 m$ n& P
credibility-one1 W( h4 s+ T8 f+ 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0 \& l6 y4 m5 q# I. |
global-proportion. r5 p ?9 z- t& ]& j' V' p
customer
6 Q: X/ i/ ^+ v* d1 ccustomer-no
5 M; {; y6 l+ J3 Z; W( etrust-ok
. ~ T* ?( J' ]* z) xtrade-record-one-len;;trade-record-one的长度- I( u: }1 ?' z( u8 f
]6 I* m5 g6 U! S
. n7 U; Z5 @ x7 Q;;setup procedure$ t! w% k. K3 P6 V) r
1 Y E( C" H8 A. X3 \' \
to setup
* e# ?7 o$ H- o
: u6 h3 H, m. _* T4 i! _ca
+ u3 |/ O6 v& L/ ~! b+ q7 K# }7 x s1 }
initialize-settings
8 O* O1 R% M' z7 A
/ q2 m! K7 N0 a \' ycrt people [setup-turtles]$ ]# F4 S$ y. G4 C
9 [ q' w( @: N0 E& D3 Yreset-timer. H2 D' _' G& Q# z
7 w* x+ Z4 Q/ B: J, q
poll-class# Y( U$ L: `/ `2 t# g: J5 U$ n
/ T: w* V- I! n3 j
setup-plots5 Z! L2 E M6 w5 F r- ~. A* m
: z: {1 h I% n: c7 T- }do-plots
) q) Y6 \, K% a- K. P4 M' Zend+ P! g( b' c/ p7 t2 q$ [( a
2 m0 b; Y8 O J5 A
to initialize-settings
5 T3 `$ N, P# ^; h; V/ ^3 S* q7 ^' c( x
set global-reputation-list []
; \5 A' w* V! e* p6 D& z4 n0 j3 w1 i' y" f' N9 k; J; E
set credibility-list n-values people [0.5]( K% F, h! y1 w2 X0 ~( n
/ I+ X) s* _& o7 a) P1 d U/ Wset honest-service 0+ y; H6 I# i0 Y4 t8 P0 e2 o
! C" q0 M0 k, l) Uset unhonest-service 03 k$ J. r' z/ u. @- ^3 c* e! {
5 R1 I8 U# E% e1 U. Mset oscillation 00 M# z8 w8 _3 V) X# {
9 [3 e N& f5 K# V
set rand-dynamic 0
% Y9 }& x9 v ` |# i& mend0 n; s) I) @& T9 [7 p' q" l
; w% Q. N3 V' z- j# ]6 S/ L
to setup-turtles
: W8 ~' Z1 y- t6 Gset shape "person"/ D# C+ A3 N7 e6 ]% y, _4 ~& m
setxy random-xcor random-ycor
6 _; B; p. f: d$ g0 Wset trade-record-one []. D8 P: ~1 f5 _/ @1 ]
: S' m, p4 e8 dset trade-record-all n-values people [(list (? + 1) 0 0)]
! w; p0 h( N' U* n5 P6 p) ]1 K/ {% @7 l. M8 e
set trade-record-current []+ h! Z P6 @. w$ I
set credibility-receive []
1 X5 S- a6 w$ Jset local-reputation 0.5
6 X4 m; l, X" [' T: } g. Kset neighbor-total 0
: p! {8 c G3 f6 L8 {set trade-times-total 0
2 a& _' w3 l4 R _( a4 Eset trade-money-total 0$ z" y3 d4 j$ O9 u
set customer nobody" Q' m8 c' c6 q5 }5 J
set credibility-all n-values people [creat-credibility]) X3 A! N2 u. g& {
set credibility n-values people [-1]9 ?; S" w7 I0 [+ ^5 m) U b( f5 W
get-color
4 h9 L2 ?! V# P' T* r+ |- r; r; s n/ U% h
end
0 i8 u3 g7 g' E9 z% W/ M
* t, d: {4 O7 z8 \& U6 Xto-report creat-credibility: C. |) D/ [& o: s2 Y5 B' r$ E- i
report n-values people [0.5]
& k7 d* H6 ~+ _1 x5 y. _# Gend
1 i0 Q( C1 }5 b) a
/ z- G2 D4 ~1 x* _$ r1 Lto setup-plots* `8 K0 d: }# h- k& o3 F$ \. d' i
9 N" Y1 @- W, `8 O% M1 v; Fset xmax 30
3 T& ]5 k" j) h8 Y2 Q1 } c0 [" n8 ^0 M& B* x
set ymax 1.0
9 A" B! m5 D& ?9 d4 X+ N
9 E/ V" K# j; z! h Gclear-all-plots
! E d3 _% h& s0 Q u6 U- f1 }9 G$ Y3 o( k( j. P# _2 G
setup-plot1
- m2 S# F; J* G+ F# y+ Y0 V& u3 @
5 d. r) w' I; j: {6 g( P$ ]% asetup-plot24 ?5 }6 f1 {4 `/ t. y7 O0 d W
. P* F7 T" m- w( f& m3 K8 p0 hsetup-plot3
! q/ q# b8 a) N6 m8 rend
' z6 I, g! n: @# F* _
1 S6 u$ `: S" |# i8 y;;run time procedures7 Q8 ~( D6 v4 j
( o! }9 t/ T4 D5 D- ? H: x u4 T, rto go
3 ]9 J2 H% J5 P1 }# b8 |9 B* S2 y8 Z- O! Y
ask turtles [do-business]
( @& E) s9 u$ }$ k5 |% Oend' }7 D8 b& {0 k ^0 ?4 k, e
$ I" ?: _3 {# i) @+ h; [% Q- w
to do-business
6 N6 o+ ?, g) t' i, W4 Z* Z8 S5 ^) Q/ q% q5 p* b
9 k7 _# N6 K3 K8 \/ X1 ^0 \rt random 3604 ^7 p9 l8 Z p5 L* b" l
, T' D5 j! T( M! K, afd 1
5 | Y% d5 [2 v& K3 S% |" u: _. A; o5 E+ C( A, K
ifelse(other turtles-here != nobody)[
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. B: ?# M( F7 I/ rset customer one-of other turtles-here
. i5 I: E( V& Z9 I, j; M- ~& c+ b3 i; U. N5 n) _9 J6 }+ t( _
;; set [customer] of customer myself) B }5 C5 t' q
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set [trade-record-one] of self item (([who] of customer) - 1)4 c# b1 h8 }3 P8 G; n
[trade-record-all]of self
+ ]7 K2 L3 f0 x! m _' H8 Y1 |- L1 ?3 ~;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
1 m5 d$ X: E r, C' m) i9 d
! X- G5 L9 ?4 Sset [trade-record-one] of customer item (([who] of self) - 1)4 |5 a' g' R; h
[trade-record-all]of customer X. ~9 `5 N6 {. C
2 Z; }' g/ E9 D8 p
set [trade-record-one-len] of self length [trade-record-one] of self3 o" n p0 g0 M' S
3 x, ]: g: K( \set trade-record-current( list (timer) (random money-upper-limit)) F1 [" B" n9 ?5 g M
: S& p1 w/ L6 c1 T; F/ Kask self [do-trust]
- f& d; L; q( m( u' M;;先求i对j的信任度, o: L, ~% I$ r
Y6 t& ^2 o Z7 r: l! c# e* t! R% rif ([trust-ok] of self)) m1 E5 s8 @- r- R o+ ?) o& u
;;根据i对j的信任度来决定是否与j进行交易[
7 Q7 q4 |! K5 i: D0 l6 G& kask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself# i& v; B7 ^! r
g" D! N& X3 H6 @; j[9 s! q2 l6 H7 Y- h$ V8 I2 c* [! Z4 x
9 ]+ `. W, U# ^
do-trade
6 x( d5 A) W/ L9 w5 m8 B# \3 D7 z2 v9 M# M; e1 T: U
update-credibility-ijl
5 C: Z9 n, `' s
. @5 K2 A6 I' d8 Q$ P jupdate-credibility-list: J/ C( J" Q7 {4 e( h
3 G* e& L% w1 o Q
' a$ D( p; `/ I5 a
update-global-reputation-list' B5 Q+ n4 p `- x
2 @5 I( C% P2 z, P; dpoll-class
( ?1 i& Y4 f2 e+ L; V5 N" c2 N% w8 y
get-color
" t; O& { x1 I; b/ L
, h+ H3 }3 _! Q8 I; ^8 P; w4 u]]
( H6 g) ^( P0 M* v0 P7 f D3 C. z) G; ~/ f) ^( ~
;;如果所得的信任度满足条件,则进行交易
4 u0 j. z5 v3 E* x
& e5 Y& U+ W( h$ k4 h[
4 v7 S+ a2 n. h$ `4 h0 m3 Y* m! q8 N2 s
rt random 3609 ?$ J8 O- L7 M3 |4 v
# T: y5 i! z5 v" k& A; }fd 1
+ H$ I# e+ ~" q
, s) n+ m* u4 V$ |& u1 W) g]0 `& P: K- }" H( o9 A- }0 q
1 ~: @5 }2 U& W- K4 O0 w. Gend9 x* X* y) \2 \9 P9 W$ ^8 L, x: ]
6 x1 f$ K' [+ F( ^' l4 w1 C1 s4 sto do-trust ) p; ~. q( }5 l, M
set trust-ok False( p) l5 P; p4 M2 T
+ J' K; L- r0 Z! \0 Q. U
8 F7 b, `2 E+ S. ~; @% Tlet max-trade-times 0- S5 [& o$ n! K) S" e5 q* r
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]' {( M/ v( F8 S) n" J
let max-trade-money 0' `! [% Q; j. a- d- W
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
( L: Y, M( V2 v+ O. S# P. `let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
( |; m, y5 g l% S
9 f- u* x, A' X2 z7 {$ d
! i+ z8 a& [3 ]0 C3 @* d2 T! q2 zget-global-proportion
& H# Z7 q: `' R% xlet trust-value
, P }. K- T3 L: s4 Tlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)" r: M' U* t0 `0 p
if(trust-value > trade-trust-value)
2 E& A1 h8 i, d[set trust-ok true]
3 a+ p& b A+ Q2 lend9 ?& p/ F; T1 P! x
- I- O6 w2 w. g+ Y+ }/ vto get-global-proportion) {- R5 m u9 ]4 K& F
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
% I$ {7 o7 |- j2 t$ R. G[set global-proportion 0]
+ j0 S2 a0 y0 |% x0 g5 n/ q[let i 0
# `" u# {8 N! N! J* C. {let sum-money 0
+ @* Z. o w6 n0 X c# z; ?1 Uwhile[ i < people]
( s. ^! H$ ~2 n[
D& }2 A9 |* x8 |/ Rif( length (item i+ u* M, r1 L2 r h
[trade-record-all] of customer) > 3 )# C5 Z, ^% p: ~7 R/ [( p
[% I" L: j# g5 _: l
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))5 f9 e+ l4 d! m
]
+ y2 P% j; S2 K5 C" B% X2 A3 w]
& W% s0 h5 A! _4 F2 ?let j 0
& U) h' r* ?; u A. {* v' z) g3 m }" clet note 0
: o" r; ^/ O$ h4 q: vwhile[ j < people]0 f2 p. L6 P" M9 l
[/ A. f O9 I* z- t. i* ]4 a. O Y' y
if( length (item i1 K* f# x4 P# Q5 r0 z; g
[trade-record-all] of customer) > 3 )
4 U- X6 a5 f2 s9 S[
. @$ ^7 P1 @6 q! b% {" Sifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)9 |6 g/ Z1 }& }: ^3 T0 M/ T
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]$ K; q/ H' u/ ^( g4 [
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)], a0 M* _; p( ^5 m1 ]% s$ g$ A8 K
]& r: i# m, I/ e" o2 L. n
]. I" R- |* k# i5 G2 \
set global-proportion note. c! m$ E3 y% ^+ k; d
]
( @5 \9 P+ f7 b* C8 nend+ P6 N2 A/ Q; f- B0 i
2 x/ Q' q; R* Q9 [3 k1 Oto do-trade
; \% Z4 g( o Q# c3 Z& I;;这个过程实际上是给双方作出评价的过程: o4 W/ Y/ M1 K
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价! @% G4 N: ^7 |$ H
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价7 k( P# N! E; I
set trade-record-current lput(timer) trade-record-current8 k) C' l0 l0 v
;;评价时间 d& |! S9 b% x4 r7 I$ O) S2 F
ask myself [9 O1 R# d' G( N- H. Q; t
update-local-reputation
" q1 W$ ^. U6 G6 h" c& T3 tset trade-record-current lput([local-reputation] of myself) trade-record-current
* O) t8 |: G- J3 z* m3 X, w]
: ?* C5 i/ X; Bset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself0 I, {2 u# W5 p! F6 `5 N5 _8 Q
;;将此次交易的记录加入到trade-record-one中6 ^) |6 y1 q# ^3 a1 e! [
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)3 x9 s) f( y/ N5 T- U6 P" ]
let note (item 2 trade-record-current )
) g! g) [ W& r9 u! N# X* N% ?' aset trade-record-current9 m# B2 d# t6 N
(replace-item 2 trade-record-current (item 3 trade-record-current)) K6 O R2 @' |* O3 v* W
set trade-record-current
! x& P( ^! j" p/ t' t(replace-item 3 trade-record-current note). K, d8 S% r2 ]5 M( z7 M
: R- T; G7 ~" D. l/ @( I4 i. Y' f% q
+ k' t# b* |* W) q7 e* A1 V' N% Kask customer [" ^7 R$ q* J! M
update-local-reputation
" R1 o% l* U( J0 yset trade-record-current$ ^$ D# N& D6 t
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) : h2 y/ ^) E" @5 z c
]* d, j+ q% R8 W- Z
3 W8 u2 d, T- s& L. X
7 G3 h" J2 X: L t
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer/ f% _! @* ?- M4 F
) Y2 J t9 B" H9 z$ i
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
% U6 d8 U3 K$ ~; x) ^* l; U;;将此次交易的记录加入到customer的trade-record-all中' g9 t6 i9 `4 l
end
) z7 w9 P5 `/ n$ P4 ^- i
' C9 p- u) @9 @) Cto update-local-reputation9 H! D3 u. U) y6 o# O0 F' h
set [trade-record-one-len] of myself length [trade-record-one] of myself5 M n; s$ ~1 T9 d
1 X* i; h; b7 ?! [1 @1 z, u/ f T8 _4 v8 S
;;if [trade-record-one-len] of myself > 3
0 T) ~. c) j4 k0 `$ b, { Vupdate-neighbor-total
* {# Y1 y8 ]; d( b/ ?. u! H;;更新邻居节点的数目,在此进行& D% P1 x2 f- V6 P2 i; u5 x
let i 3
$ g9 \" ~3 E1 e$ z' z+ |5 f' qlet sum-time 0
8 ~7 l7 |* s* b8 }0 c9 T: Fwhile[i < [trade-record-one-len] of myself]: S7 a ?& Y0 D/ T$ S- U* v5 k3 L
[1 r& ~! i! K. W1 e$ X* M, D$ |
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
- |! p% U$ l, k5 B( ~4 \set i7 W8 A, K3 x1 t( I8 F
( i + 1)
# ~, a; I3 I3 ]8 \% M- ?& }: _]: C h6 s) Q$ [" s" g. ~4 ?$ n" {% [' Y
let j 3
" I! T3 P& [( \4 glet sum-money 07 e0 a0 T7 k0 k* ~, A
while[j < [trade-record-one-len] of myself]
' A9 @- U: Z$ t( P% \, D0 j[
7 L6 G/ D! ~+ e8 F' t3 ?* Bset 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, {3 Y* g( S6 E% b8 iset j
r& z' h. s% s8 j" b1 |2 ^( j + 1)' G/ z, C8 ?# H3 R( P) d1 X
]
; \2 o6 H$ s# L& I* I) \$ |let k 3
& n6 ]2 u* {( s7 w* u: h9 ylet power 07 L: _! D# T" K5 Q q
let local 0' V) P U. ]( L' l, i* p$ f
while [k <[trade-record-one-len] of myself]. j- m' j- @# L. w
[7 \" \- Q+ c7 y+ K0 J# P
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)
' H; S/ J/ P# S3 @; U% jset k (k + 1)
9 N5 Y C1 X$ ^$ A! x; t% F]
7 I# J o, p7 W2 p( m9 j% g9 aset [local-reputation] of myself (local)
8 O3 P- _) ~7 |9 @end
' ~9 @/ C- x/ r) c K+ s; |
, A: a6 T8 N: h" I- |% p8 D% d) P8 Mto update-neighbor-total$ {0 V! q. \: R
* d& z! Y( V5 ` R
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
m7 F' G; L4 W; b, Z5 b1 g; k5 @4 G! N6 J% L3 j
+ F7 [; C/ t x8 E. fend
+ m Y9 Z, ^! M1 o" Q2 ]4 U7 Q7 l
1 H+ U% Z& U9 A) a# oto update-credibility-ijl + p% Q$ O; [4 s& _6 _8 F
1 B& s% j( S- w4 N2 V;;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。
- J: \6 L4 E+ B2 Z" Z* @( }3 Wlet l 0- j+ _# e M! R6 H7 Z: a8 l& {+ O
while[ l < people ]( u7 N9 m* x1 h1 @; d1 }& c8 \
;;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: J5 K* [! b/ u
[
$ S* m& D* e6 `$ @! v, Plet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
) p7 ?. V6 T1 G0 C! x, Vif (trade-record-one-j-l-len > 3)- K7 v9 A( a# C7 I; h+ q
[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
2 P3 S. I8 } O# C G/ klet i 39 |# T3 W) F, j: k5 T9 j& K
let sum-time 0( c( k z( m2 s8 ^* ~6 t
while[i < trade-record-one-len]8 h1 |% Y2 N. U$ S. ^* Q4 @" j) C( \
[( g' a/ s* U. {( @
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
" M- t9 ^1 r' H* Kset i" r8 K; `: R2 W* _" v
( i + 1)
& T( X \5 k" m; @& @]/ k- s( \, ^; j0 c8 H, q
let credibility-i-j-l 0) s! G! T! @' V8 W# [
;;i评价(j对jl的评价)7 q$ X/ w% ]$ M4 ]7 M+ E, j* s
let j 3$ [0 e$ i1 \2 B: W% S, z1 E
let k 4
1 H5 u! X7 @" p) bwhile[j < trade-record-one-len]
) ~! R, E, {6 b W/ |0 V; I+ ^' B[% O% W' B1 M' U
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% D. Q) j3 Z7 }1 H" G1 r
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)
. w0 o6 R1 ?. O3 S1 M) Z Q5 I: [set j1 I7 C# _4 w9 ?4 b+ O- u' F6 ]
( j + 1)
' v8 f# Y/ O3 r; ^5 Q8 F1 A]/ M, `* e- ?0 q) W$ {$ f
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 ))
i. A+ U. r* P; @$ _9 y
# n- a/ A: R( I5 g! q
- t" W7 N- ^1 K3 v" q$ flet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
/ M; F+ {. R( u6 a' w+ J;;及时更新i对l的评价质量的评价
% L$ [3 @4 |" qset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
( q; H' c$ g- n0 ~! A7 b. x( Sset l (l + 1)5 n$ [' N. E! ^- z' U7 g
]
& I5 F3 V$ w, G7 o* N6 B. w+ }end
% b, l6 v- z! S/ d6 d2 y5 ~( O" o. @
to update-credibility-list
& K( J$ E: |- Jlet i 0
/ H T! I" H3 e; D% E& ^. z2 Y! _while[i < people]
- z W, Z7 y# j$ y[" M5 c; o/ e$ y) d3 _
let j 0
/ T4 w: T4 {) L5 @! alet note 0" @1 s6 l9 h" g6 w: |' [
let k 0" b- _! d: Z4 x* d" u
;;计作出过评价的邻居节点的数目! [' s0 T" c7 F8 _* R5 k9 C. {7 H
while[j < people]
% U. y! _/ L J# O5 M( A2 h5 y[8 w7 V G& \7 Z/ s0 d# F
if (item j( [credibility] of turtle (i + 1)) != -1)
+ V3 t& |" X( `% G;;判断是否给本turtle的评价质量做出过评价的节点
+ v/ m8 X: S2 E+ {# o% r+ | G* D[set note (note + item j ([credibility]of turtle (i + 1)))
! q5 V) ]1 X3 t r) `0 V0 E/ \;;*(exp (-(people - 2)))/(people - 2))]
4 c8 H* ]2 `. H% C9 G' N5 cset k (k + 1)
7 I E5 I {9 }) u+ I- a]0 z' ]7 T- G( [7 h
set j (j + 1)
6 P& Z# N9 _, a9 v]( S0 C+ h' N6 D" \) v# [
set note (note *(exp (- (1 / k)))/ k)
* X, E: V2 {; e" Xset credibility-list (replace-item i credibility-list note)/ k) D) y0 {7 U, A+ _
set i (i + 1)* n. L2 m* I6 V) Y' D
]
$ G, J4 H5 p5 R1 ?end$ S# G; T6 `* W' q7 i) O6 s
0 ~! U+ W& P& F* w- l0 D* [" Gto update-global-reputation-list
5 y" p) g4 I% g! `. llet j 0
$ Y: f5 J1 a2 B& | H8 F% Fwhile[j < people]
% @+ Y% n+ J. Z+ Q! f8 i9 ~7 q[5 u! v/ t8 ?& ^2 G, d z- W
let new 0
7 m( P" z4 S# O8 F) o( X;;暂存新的一个全局声誉2 `4 h1 g) \, v6 D. p- M8 b% B
let i 0
: N: f. y; n$ x- r7 mlet sum-money 0
# n0 `" q& r1 n) T+ w# ?let credibility-money 0
4 G& R L2 a+ }4 s3 ywhile [i < people]9 `8 P2 p* c, F9 `! Z( g1 g
[5 i& ^0 }+ r7 H0 x! f( r2 y/ |
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))5 B, y2 Q+ U F5 }( c% O( ?
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))3 G1 D, Z) N4 T; @/ \7 s- B
set i (i + 1)
, l. f7 j: y# p: []
f- [% X+ i7 n( u9 k, flet k 0$ r. ] q/ r! J" P1 {
let new1 0# V% j- o9 c2 {* L
while [k < people]1 V7 ?9 n2 [; W( s3 O! w
[
: C" \' S6 `+ m. D6 Z) n! |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)2 n4 K1 y' D7 i& N9 a% c7 t
set k (k + 1)$ J( |& N, U) [+ {0 h! l4 @( [
]
, P/ L% e/ Z3 i& K0 Q cset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
' ?( r- D |5 q; t8 }( o8 u3 }set global-reputation-list (replace-item j global-reputation-list new)
/ Z$ Y$ h5 _! c% ]" z! d% Wset j (j + 1)% m! Z3 S0 S, u' B
]# {- H$ m+ M: A1 ?: h
end8 Z1 n) K9 Y2 s
2 ]* j: j: }5 z0 }
( J5 B/ s" @) B% i: c4 x# K( E4 n# e! U$ u3 M0 f \: T
to get-color! W. c/ R& \6 \7 E; h: m
! q9 k- t% T# n. y ]set color blue' g% i; G: r. f2 ^$ B! W" ?% j! T0 r0 ~
end+ A A3 N X" |6 P# w4 F9 k
4 E$ q2 L& A nto poll-class
0 V7 ?+ z4 S2 n) |5 P5 I% x$ x% |. Mend4 }8 Z7 Q: i+ W: a! L$ B; C
3 C2 }6 L$ S$ V4 Sto setup-plot1
5 y$ Z7 a3 {! y# l0 N9 l
! ?1 p. I0 L+ Kset-current-plot "Trends-of-Local-reputation"
" S3 b. `- }# G9 g+ |. k! ]5 x9 m# `
set-plot-x-range 0 xmax
' \: V7 V0 j4 l1 n# f4 _
: h4 {; n7 e* y) R) h* |3 Yset-plot-y-range 0.0 ymax
- q! y+ ^9 X f4 Q$ Wend
, ?& q7 T" K, D6 j/ w0 H% x0 V
* |8 a3 \8 K p- F2 X/ Jto setup-plot2+ ~% q4 g! J/ h: s1 V* |
% r" h( J+ A; W" _# Xset-current-plot "Trends-of-global-reputation"
/ n j3 C1 l1 q: N& \! s* P/ x
0 w: j. k$ C4 t O% @2 {, z6 _set-plot-x-range 0 xmax* q* k1 M' }% x5 v
2 M) q% P3 h, H2 f L2 @( tset-plot-y-range 0.0 ymax
- `9 Q) K+ s; Z9 Eend8 _( T; H. j) _
0 a! C4 \+ \4 ^9 y* f8 ]to setup-plot30 ~; l; y8 L3 j: {: ^& _
( i6 P$ i! v9 k) W6 J/ M
set-current-plot "Trends-of-credibility"2 T z2 v) L* X. U; `1 T
0 x. y+ ~; G" B6 r' {) \set-plot-x-range 0 xmax4 C' m1 T0 h2 u
5 T" ? B6 K# v3 L
set-plot-y-range 0.0 ymax
' m( T- b: X0 u: E5 Yend( g! m' g! D% s7 a9 ]
/ l7 `# d) T- m2 ?7 {
to do-plots. X2 t6 J2 g( q: j' y
set-current-plot "Trends-of-Local-reputation"% [! \3 D5 S7 h/ r, Y
set-current-plot-pen "Honest service"
. ]; W5 a3 D8 D5 U; b! _0 M* ?7 `end
$ s/ H) }1 D! C4 L1 R% Q4 n7 y2 e% K/ q( N/ ?/ Z. R
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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