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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
% t) q/ g1 ^! H+ h; Oglobals[: H! d% _5 q: ]7 p" H/ f0 q8 Y( G
xmax
+ ?" L9 P& G- I/ t) lymax
& r/ A; C* a8 D2 {0 S% Zglobal-reputation-list
# \7 K4 V7 G: z$ \+ N# E2 c% ^, d8 E7 A1 x! }
;;每一个turtle的全局声誉都存在此LIST中6 H$ o+ Q i% |- a
credibility-list
: _5 [' r5 U8 ^7 [! r- O; [;;每一个turtle的评价可信度
. g3 H) n2 S2 E! |9 b6 Zhonest-service
5 q( d4 T" A# E, ~8 i7 Nunhonest-service1 y4 D+ v+ [+ P# F
oscillation2 q& k2 y: D- p2 Y6 l+ ?- I) e
rand-dynamic7 C* P) z. A4 Z7 ?. U" |* [
]
( U- D. g9 {# h
5 t0 D# S2 w6 I3 \2 x3 w( dturtles-own[- O7 k a! y- H8 D7 g
trade-record-all ?+ k) V) V# Y9 O i5 B" ?
;;a list of lists,由trade-record-one组成
5 R/ b& d# t8 X9 ytrade-record-one
3 U$ |: C$ K! x$ r9 P& V;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
" t% {5 g r# V3 V$ V
/ s. ~# q" h0 L9 p; s* o P' B;;[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]]2 X% ]) s: Y1 w2 x% H% 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]
' `4 b: w3 b9 j1 ] n" D% Hcredibility-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( _. G) h7 \% R# |) z
neighbor-total! x' f5 V7 [2 C! S- s
;;记录该turtle的邻居节点的数目
! ?2 k, P- t$ {& f6 o+ v! F" Itrade-time6 ^8 Y9 T8 K8 Y6 P- s* f
;;当前发生交易的turtle的交易时间
0 d8 D% }* f0 u7 {8 o: xappraise-give
7 G$ ^% n& \1 I u;;当前发生交易时给出的评价6 D2 k3 t7 H; i' l; i
appraise-receive0 L. n. i4 a- B4 j; b0 b+ k
;;当前发生交易时收到的评价" G: {) G6 v: }: F7 w# j; o
appraise-time
' H! c! ]$ X2 @$ p6 H. L2 Z, c;;当前发生交易时的评价时间) O {& e& e7 y% s* D* V3 \" r
local-reputation-now;;此次交易后相对于对方turtle的局部声誉: D7 X8 u+ ~! I
trade-times-total0 h$ k. D: p5 \; X! A
;;与当前turtle的交易总次数 X9 z& T7 `6 P( s% T* v7 D
trade-money-total0 {( V5 l$ {: _+ @" E. j
;;与当前turtle的交易总金额/ O" |' z1 \! U2 U8 k
local-reputation
( I+ |% [) V5 k$ uglobal-reputation
. v+ ?1 R: F/ u* d& q! wcredibility4 r" v0 X) J# [& B( H' N
;;评价可信度,每次交易后都需要更新7 c2 Q) r6 A8 e! { C7 c% U
credibility-all
7 t2 W, u& q8 ?+ v) S4 a;;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3 d7 [$ O4 B% U* e: ]: m) E: f7 D
( [+ m4 K1 i& H' r8 l;;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
% t/ i: Q" c }5 H$ hcredibility-one c* Z& v$ {4 I
;;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. E7 [' [- L/ P+ B5 }0 l( s, S
global-proportion% p1 i3 }3 M5 S, @$ z2 u2 E3 f' P5 C
customer
- u( U' \; m, E& L0 c, O2 j" Xcustomer-no7 H0 c$ U5 }9 ^$ i' }& ` U1 P" X
trust-ok' j. I. m+ o) z0 y
trade-record-one-len;;trade-record-one的长度' d# C6 ?. x. J5 {
]
+ B0 J; S! J, B" H: \* z+ W! ~' y: z6 F3 ]3 @/ ~/ Q: j
;;setup procedure: M1 S" |4 {4 A* w
: ^9 e2 B+ q' G" U6 n2 H
to setup
5 b, I* h' J! B( c3 a, `' j2 s- u7 f+ O( g$ o
ca: B7 w1 D( c6 D: m( U# d
7 Z$ F; j: g7 g' v0 Dinitialize-settings/ z, e5 ]7 n% `" ~0 D
0 U0 ~: d5 k' C7 t, }; b4 C, fcrt people [setup-turtles]
) Y& \' ]9 f1 F- j
+ b4 \7 u: O3 {% q$ ]* \reset-timer
^# I2 r6 Q& s7 x% s1 K0 s9 g' W0 u
poll-class
0 @/ F$ O5 r$ m) J \) c& D9 b& F' z, ^" l
setup-plots+ E* I1 ~- Q: v4 K8 l& t
. \- r+ i; y9 O- e
do-plots
1 ]6 u) Y) i& f4 n yend# R# }5 P0 Z' [: Q4 ~
* _$ e# Z0 T" p1 G4 [; v: `
to initialize-settings
9 x4 i& ~2 J' ?# G' f) G
0 ~) H6 p. h+ {) ?set global-reputation-list []7 i5 N( Y% L" B$ L; @/ d; H
& C, {4 O* d7 j2 J+ }7 `
set credibility-list n-values people [0.5]+ P/ w0 n; c- f) y& O' c. F
& c! O# [( B8 z" w* ~5 x
set honest-service 0
3 D0 Q; e, R" Y, V/ U, B r9 f& G3 E$ V, ]: W4 v
set unhonest-service 0
' k. \& k% W) }; E( G) _' C" w
2 Q7 X# R2 |5 |# W% R/ Q# l# z2 _$ nset oscillation 0; L# `6 }% l+ o5 [5 b. K
2 h1 |# q% h: M' q+ r+ P/ V/ xset rand-dynamic 08 _* A2 z2 G: B G
end
! J% Y1 L7 M u+ t: @) b/ [
% w# z; P' J. q+ Y" h% v/ Sto setup-turtles 0 [* D% @; ^) s. d8 |5 h
set shape "person"
y" Q( A/ Q+ `" P# vsetxy random-xcor random-ycor3 O+ D9 Q! s1 o% d4 T( e8 \
set trade-record-one []
8 X \4 R5 i7 u- ?; i, R5 X
( C, a) c0 z4 n, M# [+ A. ]+ bset trade-record-all n-values people [(list (? + 1) 0 0)] . ?! h: Z6 I" O4 h
2 I8 s. Y2 ?" c% P- r4 Y2 ]
set trade-record-current []
+ \" E$ P2 P% [4 q" `set credibility-receive []6 t- D# M! H9 e; U
set local-reputation 0.5* ]# v' z: ^! K3 W- ]
set neighbor-total 0& C. m9 {6 P7 R4 y) i4 b- N
set trade-times-total 0' S; k, @6 l# p4 R( M, Y+ v
set trade-money-total 0
3 G6 `% I9 j1 p, x, n mset customer nobody; c: ]2 w/ F: O/ d) s8 ?
set credibility-all n-values people [creat-credibility]& T: z; b0 ^3 b$ \
set credibility n-values people [-1]* u& l8 g7 ]3 n2 p# {
get-color
" P0 z3 U# ?1 _' `& y7 t3 c$ S9 C5 I4 Y3 P/ F# } x
end
5 T9 u+ Z* L# P3 C8 H$ O( {+ l6 Y5 W' K7 b' |
to-report creat-credibility X" ? o. l1 U- G6 d! ^
report n-values people [0.5]( q% E6 N2 B5 C( r8 ?9 y
end: @% t Z0 U8 Q, O/ O) Z5 R" ]
* V* K8 Y- Q' r$ R: @8 u Jto setup-plots
$ X. I$ y$ j& d* H( ~
) O* m0 y: J: n% [) t5 b" b. w q5 Rset xmax 30: {8 \- x' a& \' p1 Z+ ?( o- c
" J& c% [- k- _4 o: l- K
set ymax 1.0, J3 M9 [& C+ Q1 R$ L
- D7 C. H/ c; S; J J. f' H/ K( O( Lclear-all-plots9 P7 u1 k6 s- U; g+ w7 R5 o8 h) j
, i( `' W8 V, f, D$ p7 t: i
setup-plot12 k) N, F& C2 Y
' O9 R Z6 Y, p( Y
setup-plot2% r- n5 D# Q, o# L4 z# q
7 p3 l: i* C; c* s
setup-plot3 C, d/ k# p# F. X9 Y% s% a
end5 v4 ^1 g: Y; J3 ^3 q& V
! z1 Z/ g( L+ F' @+ }! x" K$ z2 C5 }
;;run time procedures
" ^7 `" a3 Q1 G+ R" k' t* d- E" C' e8 W b- R
to go
/ Y8 Q; l( h3 R! a
9 P2 m4 h) P) qask turtles [do-business]0 ^( R( W9 F2 {, ?8 x
end8 R& C0 P) m) ]- n: f/ { Z1 V7 o
& O" U7 o0 K* W- m
to do-business
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' U6 d U% n7 a- n. k
* K, e: N" a* x7 mrt random 360+ d% ]* e, c @& Z5 X' W# |- i
% y6 e1 Q" ~ S: ~+ Y
fd 18 `& _. h" ^ P! P0 o, M
1 x0 G# _/ |, S X# c* F9 Z9 H
ifelse(other turtles-here != nobody)[3 m2 J7 c7 u. n; v* L) J, f& N
" [& E5 M9 U8 N# p% P5 j6 G3 d xset customer one-of other turtles-here# l1 ~/ B& x, D* ?- U) D
. W: _" U. ?5 V0 b
;; set [customer] of customer myself! ~4 {& W* A. A" S4 B
# y8 l3 G+ `, @( M
set [trade-record-one] of self item (([who] of customer) - 1)% ~4 R* P4 F1 Q& L. S" T K$ Q& q
[trade-record-all]of self
% {, k, W$ c* K* x0 l( K;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
, T( U# X' {' \5 M( u# D* I8 l. T4 Y; R! W
set [trade-record-one] of customer item (([who] of self) - 1)" `/ Y! Y' L- p/ U+ @2 r) K% @9 I
[trade-record-all]of customer
+ q' j. l& r* f- ~2 g, B9 S/ f% ?4 k$ s8 N/ ?0 P1 Q# u8 v
set [trade-record-one-len] of self length [trade-record-one] of self' R' o6 q& d' H9 }$ `
. c: X% c- @2 |& Z* C& ~2 ]# |
set trade-record-current( list (timer) (random money-upper-limit))
2 |+ a" p; P/ v9 k1 M' b4 K5 w( U$ n
ask self [do-trust], [" q6 |; g) }3 c8 C* Z0 L
;;先求i对j的信任度
; _9 G" a( c. ?8 {7 f/ }' R u6 Y) W- p v5 u3 [
if ([trust-ok] of self)
5 ?8 q7 e; g s( B;;根据i对j的信任度来决定是否与j进行交易[+ p; f% U/ w/ c/ y3 G
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself" N0 N' A" J) ]) H2 B1 F2 K; Z, G
. V- H8 P: Q" {( H% \8 d
[/ h5 T, e% H$ z% y* r. v( [
% c* O6 L0 i% U7 J+ x1 e0 _do-trade; v# ]9 y2 Q3 C
9 `* L, p$ X/ S8 Q4 Oupdate-credibility-ijl5 V% J5 o3 ~3 m) u" B
' n2 B! w+ m8 a7 a. R5 W4 h
update-credibility-list
) U0 o: b7 w# `6 I3 ^2 u
; a( X6 f% ~1 E5 t% }' @/ Y& |' i* Q6 q Z4 s! y1 f W. ]' M
update-global-reputation-list
; E0 d. _: N: ]& x5 Z: \3 ]3 A e1 D% D3 L4 H
poll-class2 g2 z \* Z0 E9 y6 N( K
8 \5 ]" G+ p4 A* jget-color
/ n$ R- Q) w/ P0 U+ ?8 h6 p1 [5 @# q8 x+ K1 f
]]" ^% d) _. K: @
0 x$ M7 u; l# D' M1 {3 x
;;如果所得的信任度满足条件,则进行交易
" @5 M" y e: K: i# J) d! r0 l' D$ ~5 g# b6 q( _
[
9 `; x9 }7 }: M+ i5 q+ R1 {$ F4 j2 ^5 O1 u
rt random 360
6 r; b# X& Y' a- X' h) s) v1 x4 T/ F0 f- w6 {2 Y
fd 1+ [6 U' H' t; v3 r7 u
5 z5 ~% n5 C8 _+ m" c]' V% E/ A' l7 D$ }( Y+ y+ y' A+ I
/ l6 E/ i# q7 _& p& w7 h& u' n- y
end5 B6 h) N5 u$ V& a7 B3 F
- S/ h) t& M' ]- N) Uto do-trust 8 { S. P0 s- u9 t |
set trust-ok False2 e$ j. I. [ n9 K6 E! U6 O
/ ~ y. R( }% s L4 L; u- Y8 {& ?; ^5 c# d
let max-trade-times 0
0 f; D- v+ R& E7 ~foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]+ M' F k5 l% L# I, N& f+ D
let max-trade-money 04 N. P7 K8 O2 j6 x7 n4 Y
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]( j- [& G" b: G1 s2 q2 r! F/ [
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))) E% ?8 f8 j: K% b5 |
8 M0 m+ B, P& f% K1 V7 }
& }! r0 ?# y9 F: f# g, f! lget-global-proportion* T3 m* X0 s" _9 r
let trust-value( u8 z% ^( W, C
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)2 e1 e5 r3 |+ f5 c4 c' X8 z
if(trust-value > trade-trust-value)
1 T$ S! O% z! y. w; Q6 j6 i[set trust-ok true]" h# d% X# T% v/ f, q, s5 b
end
+ W2 Q/ i, m2 ?7 ] |) i4 W( Z6 M9 s$ m' |2 S# @
to get-global-proportion1 T, e9 n7 @9 P$ q3 ~+ X9 U* e
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
. o3 ^- `, j e2 V- }4 Y+ B[set global-proportion 0]" Z' D9 X5 G2 |1 J( v
[let i 0
! q' J- t. D7 O4 ]let sum-money 0
, l9 r9 j+ [& h* S+ L& ]while[ i < people]
1 l4 X4 ]! W6 R, t- \/ \[
% J( h" D9 L' Y* o: Lif( length (item i
) y& C e( F5 y/ W9 s, H; J[trade-record-all] of customer) > 3 )
9 M: R( k( u/ a% {# ^[$ {. N2 o) E- S7 J6 D2 h, v& b
set sum-money (sum-money + item 2(item i [trade-record-all] of myself)). {6 j; F+ c# E K
]
! g) `9 b3 v; y, R]
$ h" {$ g5 d! x3 R( n. U( ^; ?let j 0, A! S7 B, Q' A0 O2 @" h2 P
let note 0
9 f M; A. T; a6 l7 U0 bwhile[ j < people]3 O9 W3 @% \5 X& k
[6 D* z e" I; w: F# B; ^, F& y
if( length (item i
+ c- ~, ]0 j$ H* o0 q+ L[trade-record-all] of customer) > 3 )) D" L9 f- W# u
[4 Y1 _! o% w2 X, {, ?! g N& R
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)% u* i1 d3 p5 M2 C9 s
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
3 o2 x: e2 q: }8 |. d! P[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
1 P8 v9 `. i# N( V6 M]" o% C2 k1 F$ f' B( E) w
]
; n8 S1 z5 K Hset global-proportion note' ^% p6 v9 q+ ^. I% n0 V$ b: [ c( G2 f
]
0 W. S# I& ?" Fend
: a8 n; d, m) `* [% R S
4 s: K7 t, I- Ato do-trade/ r }8 g5 `) M% u
;;这个过程实际上是给双方作出评价的过程
2 x u- ~: h4 X$ Z Z( U! ]2 |# nset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
8 S$ [6 [/ y: b4 t# \set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价/ Q5 [) S3 P8 c
set trade-record-current lput(timer) trade-record-current4 J5 a- D# C/ S" A! ?4 [! ^( \/ ~
;;评价时间
]3 v( {* F: V5 Iask myself [
- w- p0 w) F) E4 A, }update-local-reputation
' o$ o0 ^, I; ]7 z- oset trade-record-current lput([local-reputation] of myself) trade-record-current; a2 A: u+ b: i( C2 f& Y% C. U T0 H
]
. \( _4 B- C; q. Z* Z! D4 Jset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself* @5 b' n/ z3 o9 Y! a5 k0 S
;;将此次交易的记录加入到trade-record-one中) V; W( m/ s9 P4 a* H
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)& h4 `; O9 m$ o1 G
let note (item 2 trade-record-current )! Y( V, i0 q4 D- F
set trade-record-current
3 b9 P# O* y4 z(replace-item 2 trade-record-current (item 3 trade-record-current))
- `- b1 H3 ~- s/ K8 _4 p2 j# nset trade-record-current, Q$ f8 _3 a8 I# `( y9 K8 H W5 }
(replace-item 3 trade-record-current note)
2 q _/ e& M; y' H# o/ y3 ]6 q9 a( [. Z6 P/ Y6 s
' M; a) a2 z6 s+ Y8 ^ask customer [ S$ ?- P( k3 c2 {& m
update-local-reputation
$ g1 o! g* i! F; d# F, D! [7 v$ h0 sset trade-record-current
7 Y+ v) p' }: h' w1 K(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 2 Q. E- D7 s' E9 C/ q! w
]
, h7 ~9 B& O3 T: T/ i- z3 C: D. {7 h& d8 ~
% D5 D5 S: [6 I2 E8 Y) G& p' ]set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer. B, S' x# ?/ X, v
1 c$ q5 n6 T g* v$ s# C# lset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))( x6 @: S4 h. K
;;将此次交易的记录加入到customer的trade-record-all中
# X# s+ ?: z+ o7 `! Nend1 D8 E k- y7 R, o1 \7 W
* z1 Y4 V: N) n, r2 o( f. E. t& @$ Qto update-local-reputation" @/ L: }0 k8 z! h, \
set [trade-record-one-len] of myself length [trade-record-one] of myself
1 [2 [* `+ h) C
1 f: y) i/ P; R: `; j4 V% g- ?* u7 Z8 e0 A* \( y( j8 e2 E
;;if [trade-record-one-len] of myself > 3
* e0 T$ }- i' @8 zupdate-neighbor-total
: |) y- l8 F1 P;;更新邻居节点的数目,在此进行
% E2 c+ K5 g9 N7 F Vlet i 3$ `3 f. Z8 C+ N; w6 s0 s& R0 }
let sum-time 0% L* x0 u, U& S7 v N E' f
while[i < [trade-record-one-len] of myself]
; ?8 g7 j2 T5 N" H! L[
: d9 ]* k- f! z# r; Oset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )% l7 J1 F m" l/ v6 z% P3 ]
set i
' R8 u: e: `) ]; z" h9 J( i + 1); ~5 }4 Z0 |6 Y
]
! J: G0 Y/ f0 G) n2 }let j 33 g0 G, w0 A" {
let sum-money 0
4 x) W6 q* j8 V0 xwhile[j < [trade-record-one-len] of myself]
1 _) [. o1 x/ V# F+ L" ?[+ Q! K' D0 s7 A! i# x3 C9 n. v
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); u' Q ]" F; Z) ^3 w! Z$ Y+ p6 w# K
set j& y+ ]0 Z9 l& i% V6 a
( j + 1)
( e! Q- ^- S. P4 j9 \]0 b3 s& V' @4 h
let k 3& W# N* V' P: z- Y
let power 0
8 \, ?! j9 `/ H1 ~9 _let local 0
; H2 F0 U9 G @. H. a! J: c; ?while [k <[trade-record-one-len] of myself]/ m4 z7 }0 N, M" v
[
8 z% e4 B+ y5 W' cset 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)
2 k" h7 m4 `" B. ]% o0 ]) Dset k (k + 1)7 G9 W4 B ]# v/ N+ \6 r- b
]
1 ^8 _" r7 {4 e, l" h# @6 fset [local-reputation] of myself (local)
7 d' `8 E& K. o+ I& Hend
5 V9 P+ j; I( P( o# M/ N0 ]4 v2 e1 O7 T
to update-neighbor-total
6 c6 R& ]6 O, ~; I0 d( a. `0 n. y1 ?: H8 B
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
( C" Y9 w9 l# e. B+ W6 v' p+ C1 q3 {, U7 T- v: r
9 [# s; [; C9 h
end
$ d7 [. d" V. `) N3 ]3 V/ O$ L% U5 Z% V& p) S7 _
to update-credibility-ijl 1 M. ?8 D- r6 H( y2 j( O) i
' k4 }2 Y; e+ H2 ]+ y4 g( ];;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。4 w- e: u) U3 J# C, J H
let l 0
; G- ~' V" @1 ?while[ l < people ]
+ d* P* z* @- K;;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4 G2 \. d( ?7 S7 r
[
& n% e& z& C% l2 {let trade-record-one-j-l-len length item l ([trade-record-all] of customer), d/ c1 J8 p. e9 H5 {
if (trade-record-one-j-l-len > 3)& N& R! D% I8 J5 U9 x
[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
& e1 c, X. C/ b4 h- _8 l. s1 ?let i 35 H' R/ X5 w. ^
let sum-time 02 B+ d6 a6 m2 ^8 d* \( l1 y
while[i < trade-record-one-len] F6 [3 ~$ n, k5 @, a2 B
[. G- I, [7 L6 U3 d2 m$ m
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
! C: ~/ U _, r; M: R: w X. |set i
r7 O$ |* F3 c& q. m }( i + 1)
5 e* Q2 I! Z- K1 F! T y$ N]6 ]* u" h' x8 f
let credibility-i-j-l 0
3 G C# _ ~! u6 G6 h7 F- h2 J;;i评价(j对jl的评价): c N( g' U- a. T5 {" @
let j 3
& ~7 S. B3 } S1 p3 P# m2 Z7 P7 Ylet k 4
- f! _6 z! j, k$ H. v: Ewhile[j < trade-record-one-len]$ ]: _) i* W4 l4 Y1 Z1 G) I
[
/ _4 |7 q9 V/ ~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) s0 t5 d/ b( |0 r" b" M" R r' Y# 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)% I9 R, l! B& l- N: b8 \
set j6 j3 i, t5 R( i& g4 m
( j + 1)" I. M2 a& D2 I: }
]7 V; Q% ]4 _* ?
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 C4 |$ @9 D, n$ V
6 ?5 _7 J9 G" g2 U4 V2 V" ]4 L6 x9 ]
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))4 Z2 t9 p$ i. F9 l
;;及时更新i对l的评价质量的评价
/ [1 p, M0 B' V( q- w; Gset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
& T& b1 S' H: ?& Lset l (l + 1)+ U; ] N$ F2 D
]3 L6 f2 s) S7 U' r ?( v; H `
end) f: D L6 H* w8 n
' q; w$ r) U4 n8 I/ n& c
to update-credibility-list
8 g7 w: t* N, v7 G1 G& m% q5 d5 ]let i 0
: t% p# K& V, r# `while[i < people]! K6 t( i2 }, [0 ^0 _' ^. J1 m" h
[6 u- {. _/ ?5 P! t; _, s
let j 0; B; ?) i! i, P/ l( n/ C l
let note 09 Z0 `8 m, g( \' A% d7 D5 H
let k 0
( S. V6 G8 c/ |. W Z;;计作出过评价的邻居节点的数目5 ?+ h) [# C. ]
while[j < people]
9 q/ B& q) r9 b& v: |[
7 l1 t. X% l( | X4 }: V: Kif (item j( [credibility] of turtle (i + 1)) != -1)1 M7 q4 Y" _: j5 o# M ]% n" p# X
;;判断是否给本turtle的评价质量做出过评价的节点" ~9 ]+ }& k" G" ?# i
[set note (note + item j ([credibility]of turtle (i + 1)))
" E- f. @, v/ j;;*(exp (-(people - 2)))/(people - 2))]
3 B/ F( b9 \) H" uset k (k + 1)5 L7 S$ Q. |& @* z8 q% s
]
% z7 x9 I6 x6 p# ]2 ], _# Uset j (j + 1)* G3 I3 \: R4 @) F, a: `
]
0 f7 X8 | i3 T8 N4 f; f, @) ^0 `set note (note *(exp (- (1 / k)))/ k)
' X' G3 C" k# Tset credibility-list (replace-item i credibility-list note); J& l3 L/ k( o. f) z8 L
set i (i + 1)8 w: }& P) s1 x/ b! Q, L
]1 k4 d C0 R# L$ U
end6 e$ O3 N: i/ r( n
7 a' O% T1 c# [to update-global-reputation-list
6 y( d0 E q: c# u# Y7 m+ Q Mlet j 0
: A( ^4 F4 e% N6 |8 Pwhile[j < people]
) V% j) t9 d" v! h/ [: \+ W8 a% {( J[
& H1 z+ f3 i" _7 z0 `$ `let new 0. b) ~7 n+ C6 n+ n9 Q9 K, M0 W
;;暂存新的一个全局声誉8 M5 @* |# E M$ @+ @5 H% g
let i 0
8 p7 j) J+ |+ U$ e- r& Xlet sum-money 0
8 k3 c9 e3 m2 {. C8 Q: _* \# Glet credibility-money 0
. V1 R2 Z2 g! q* Iwhile [i < people]1 w# r" {4 R/ i
[1 k- t3 j" a' y
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
) D' ~+ J7 v/ [3 _set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))/ ]1 ]6 v( k- t6 o/ o- y& }" a
set i (i + 1)
7 ?3 @# ~% B6 v5 T]
- d8 ]3 h& g) f+ Tlet k 03 y. H8 v b8 B+ i- X5 l3 X
let new1 0
Y: I. M: t4 f0 F: f; s$ hwhile [k < people]
. B5 @/ w! P' H9 B1 m( F[7 M; W+ M8 t! U, Q
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). `$ _0 ]' A4 r/ \* L/ `) B
set k (k + 1)7 j0 G! x* y. Z
]1 Q) M, ^ c7 ?' a7 l# t
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) % Y# F/ K6 G1 [: a& P1 ?6 @3 N
set global-reputation-list (replace-item j global-reputation-list new)- V0 p+ `2 G7 e( U3 J
set j (j + 1)
( h$ c# z9 V1 b- v]
6 ]6 A7 U( ?$ R4 x @; v3 F& w& S# rend5 O; V: ^& |& j$ w3 X$ ?9 z m
. F% Y$ I' Y4 x, x+ p7 W) T* X
5 o1 @6 D1 o6 u! u/ ~ ?, O# B: V* k% \, y4 B/ |3 I: `9 f v
to get-color
, i/ `4 H* U7 B5 m' M+ h4 I
, I$ T; c# M9 {" F' ]set color blue1 U6 [0 Z* M$ C5 J* n9 N0 o
end
% U1 {, L! g4 D" O. h% M- T
; M# h3 V2 \ \ T; qto poll-class1 G p; u% a" I* P
end
- l8 y% S. K: H
3 k# J+ y4 s% n! t: eto setup-plot1* x: j; h: }( n& e% M ^7 J+ n; U
m0 k7 N8 g. qset-current-plot "Trends-of-Local-reputation"
( Z4 F# V9 }* O* e
% U* F1 i6 V' I7 ~# v& aset-plot-x-range 0 xmax
% f8 H2 c7 V% J% |0 v: T
6 Y6 U9 k/ G6 z; m2 l: @8 V ~- Dset-plot-y-range 0.0 ymax3 H3 t& L" p( }3 J: f8 F
end
5 s4 P4 _8 B b+ \, Q% b; K2 P
9 Z! N# H$ o3 zto setup-plot2
l! {; @9 m: j! v1 M+ i# X8 a! W+ k! ?4 n. q7 o/ ?
set-current-plot "Trends-of-global-reputation"
$ ]) f, d# {; f- O! G. B5 I) ?, }9 e U7 }2 W8 l
set-plot-x-range 0 xmax
% H& p; s0 V0 ^: K
" _' W6 T/ B1 j+ \1 w7 N8 ~0 {set-plot-y-range 0.0 ymax
& {) \% l1 a6 X6 i. Gend
* P' h6 X' k7 J( z% B8 H
' J- x* F3 o" p( P, P5 {4 z; rto setup-plot3
; O, q# @. k$ m2 o8 ^. I: z
7 A- k2 D& g. kset-current-plot "Trends-of-credibility"8 N8 v7 u3 |! c
i% h8 F9 x" h0 d L! [set-plot-x-range 0 xmax
9 A! X8 R: X! h! |+ J& K0 y6 @5 g' }) X, I. o
set-plot-y-range 0.0 ymax) O! t b2 v9 X) {5 c
end% H: z; R( X$ f7 v1 m
6 g H. k0 B3 V, \/ b: k6 wto do-plots7 _9 Y. d( w) I6 A
set-current-plot "Trends-of-Local-reputation"$ _4 [' ^1 T3 S+ @5 d
set-current-plot-pen "Honest service"
; i- Q$ n5 p2 R' b& B Q. c# N$ @end) R- k% G0 M/ a; X4 F& P
2 d# \) I$ Y( B/ x' W/ }[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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