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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2 h# R! \1 i' n g: |
globals[4 ?& b% z& H, q# X
xmax
4 ^( D/ X Y5 F; Yymax! M7 Q. K, ~9 g6 S0 w& O
global-reputation-list
2 T9 t6 }4 a: \* G* F$ {" J3 E+ l& x+ m$ p, ^9 y
;;每一个turtle的全局声誉都存在此LIST中; i# [/ |0 m$ \: p8 i
credibility-list |" A" |' O3 O7 X, B1 G1 K. w; p
;;每一个turtle的评价可信度2 Q2 I1 `* s+ n1 w& p4 L* o) |
honest-service
. }2 r' m6 g& l; p% p5 |; d4 Xunhonest-service$ \1 n) _1 I) }% B2 |
oscillation4 N( ^; a. B a3 h
rand-dynamic
9 V# x, O+ c9 ]" c6 t* S1 \]& f3 N% Y/ g% S+ w/ k7 T+ l
; x u3 ~/ H* q! R' F
turtles-own[& l: O/ F/ e( l% w9 ]' O
trade-record-all
) G( T/ b- g% S* o* W;;a list of lists,由trade-record-one组成
1 K9 f3 B: C5 F$ M3 Strade-record-one( W$ r; M' T) |, B! e, n- i, D
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
$ N( r* S0 s. h8 B
& A; p2 ^0 |& n7 Y/ D;;[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]]
! E" n' B2 `3 i3 ltrade-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]: m1 V& g5 n% Q0 [2 y' O
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( p- n% F9 L7 }9 P
neighbor-total2 {1 ~4 s% `) y. Z. E, ?; }" c
;;记录该turtle的邻居节点的数目# f8 q: _9 A1 `8 \! R- S
trade-time/ E( ^6 x0 J3 l# k% c
;;当前发生交易的turtle的交易时间, `( V: Q" [; Q' B# W0 R6 V1 X
appraise-give
- ~% [; ]; t7 _ [;;当前发生交易时给出的评价
& Y% v- h; Z# R5 Xappraise-receive
. V; a. C. b# I) ]; i' J;;当前发生交易时收到的评价) ?& Q4 Q3 ~3 I/ D& \3 O" G
appraise-time% E, m$ X. J/ z. O- h6 W
;;当前发生交易时的评价时间9 [- ?; R) l. j8 j7 \/ M9 v
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
$ g; B) D7 G2 K' {1 U9 p _trade-times-total8 b4 W( I5 R) J( n* d0 ^
;;与当前turtle的交易总次数' p% ~- A- j8 n8 f; m4 f
trade-money-total. e+ W- Q9 C( _7 N( T) y+ s( v
;;与当前turtle的交易总金额
+ V5 o) D( y5 l3 c, I; r7 flocal-reputation
0 G* G! G; @# ]6 d" a2 A x- Q* d/ E2 f2 pglobal-reputation+ X+ Y5 v ^3 |# Y) G9 D! m, q1 q
credibility P( W( g* O J
;;评价可信度,每次交易后都需要更新
, ^4 j9 r, Z2 e% e& C; Scredibility-all
v# Q1 E, K8 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) P$ H5 p; y4 B3 ?$ P( e0 x7 _7 @
9 g! x$ z6 s% n/ _. K
;;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 h5 R% w3 w! M% R5 i) B
credibility-one
& Q! {5 c. j% ]; ^; L;;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 D: V8 [& t6 O) i' A' |global-proportion
( O; N5 Q) l7 ocustomer1 T0 j2 |& r0 L7 H
customer-no2 _- u" k. w# l8 @: {! _8 C
trust-ok" M7 Y/ j5 F/ m/ L4 |
trade-record-one-len;;trade-record-one的长度
8 M' i$ w* a: Z( c E4 I]
" t( ?9 D2 G4 o8 z' E3 c b
. E! o1 W) a: b/ K;;setup procedure
7 O" {: r, _* }: P. d$ M
3 k" o. O, V T [& N, v/ L! Oto setup
. o% C( E1 `" P) S9 K7 B5 s) A2 J( g) H9 \# ~+ f
ca
3 q. {+ L+ q2 w/ P
& p1 s, j; X! J2 K: @initialize-settings
, `+ \1 {; B- r* i8 I# O( g7 U4 Z" d' f) Y" [
crt people [setup-turtles]' ?6 \0 k( I" U6 i
9 m6 S/ o" K7 \: ^5 v
reset-timer/ [4 E) `2 V" m
) X1 f( F' _4 N7 Z7 g# D
poll-class) _% J2 T7 ^9 U' o2 N
5 y& S9 w" J! r0 \( O2 `: ysetup-plots
3 Y+ u8 h, m( B9 ?9 w7 H/ R" p$ n" G# ~; c) D! m' }
do-plots: Y' A" \: r% V, p* r% j- w) H
end4 T* G7 d6 R; U# A" F$ D% S
/ l$ B( R2 O: B6 Z$ H3 fto initialize-settings
" B P" T. K# y5 J; H+ [, a( T, h# S
set global-reputation-list []
g1 S& [% M1 T" P7 e5 s. a9 L5 `/ u- E& ^& W# G
set credibility-list n-values people [0.5]9 K7 ~3 Q) P6 R& k8 p
0 [4 B4 ?' Z+ p5 a
set honest-service 0
' E- B) n+ d& c0 E& ~' C* M4 G \+ y- o% {
set unhonest-service 08 ?0 M1 b6 N- j- l. Y3 b
* b# K9 {: k3 I5 D% f7 |/ w" |set oscillation 0
' E1 L1 V$ J0 |, ~ N: |- M- ^% N. a
# O: v8 T8 l) [, k3 R& _5 [! l. eset rand-dynamic 0
! n2 _8 \# Y: B, F9 p' F; f. Gend$ m8 h0 s" |5 \" K( b
9 B4 `0 T0 g, H# [" P4 A4 h: z- ?to setup-turtles 9 O q3 {5 x! @2 E3 @$ w1 T9 X
set shape "person"( D0 [9 \* \6 i8 h! R, C( R# i
setxy random-xcor random-ycor
3 ^2 r S7 _* A9 V; k! Cset trade-record-one []# a! c9 p9 L! `3 G7 B
4 g, M# L5 T3 c3 j# u& ]set trade-record-all n-values people [(list (? + 1) 0 0)] }7 X1 j0 e7 N; D7 U$ t0 Q
% o" K. n4 c0 qset trade-record-current []( k- i' w& V; X6 M3 a
set credibility-receive []6 d: ], a; m; S& r) }1 X' ?+ |+ g
set local-reputation 0.51 @" r K( i" s3 ^6 g, l6 C: w
set neighbor-total 0
4 G7 q+ C! U' l! v& i$ Pset trade-times-total 0# N! d0 C- h4 j* c, c1 i% b
set trade-money-total 0
; G) t8 [# J0 ]5 kset customer nobody
/ C2 R9 r! k0 v# f/ x5 q6 Gset credibility-all n-values people [creat-credibility]
( _. s' d" h- L! G. ^set credibility n-values people [-1]& ~" B ^. P4 f9 k
get-color, |, r/ l, @. D( ]% s
; R" z8 [/ L9 F4 a" f
end- m4 L. g( I% V6 G# |
: |/ n4 @6 s9 D# B7 z( `, @: \to-report creat-credibility
) g& q6 P$ j& f+ p0 e8 treport n-values people [0.5]
/ @. @2 Z2 n6 ]4 ]; N- ]; e3 s% F1 e$ Tend
- B I9 v$ `6 Y$ t( F3 j3 x. C& J5 x5 |4 v! I
to setup-plots
3 D: A/ k. \( Y; d/ B8 Z+ Z: k7 s B6 q. h/ M7 w9 j
set xmax 30
4 y5 O# u/ p/ O3 E" ?3 @; l% u- B5 y9 U2 d0 d/ g
set ymax 1.0
3 ~5 \/ l! r2 X+ C5 C
% ^: R+ M, Z: {1 Hclear-all-plots t# q g' R1 t/ l- I7 ]
: r2 F" }* B+ o8 T+ ^8 Bsetup-plot14 e& J- I! |* H0 g7 ~
5 E1 H3 q# I! ?# {% l- X! D3 p5 {. N( Usetup-plot2$ d6 b! ~7 i0 v/ k5 s% k- ~3 l
3 \) r+ J1 {* |3 B) K" u* D+ b
setup-plot3' p# ]- R& l- n. N K. ?
end! G P, l1 I1 U& d F
9 m# H" v3 o2 ~5 [;;run time procedures
* ]1 Z9 s% G" t |% g2 z; [5 l9 w+ d8 k$ d& d# P% w8 Q. k
to go# @6 F# k# e R7 A
( j, U* C6 P' z/ M2 b9 gask turtles [do-business]
% K4 s7 W. [1 g7 {4 Iend
3 k5 U* |+ }+ N9 R, U5 c& a* Y. r/ W2 r# m$ P
to do-business
0 g# O/ X9 v# M7 S) O) a% L1 T( v2 y, T
0 L% R! p1 O$ O' j8 [! a% [rt random 360
" Z% S/ ?6 S9 i* Y1 t: b. U3 p; r* p' J8 f) D; E5 I
fd 1; G5 e$ y- [" b: ?) s9 G
! x5 a4 T' D, q4 Y4 gifelse(other turtles-here != nobody)[7 V3 _" y. H+ w: F( Z8 j6 F
- o# n0 p+ Z, q lset customer one-of other turtles-here
a* E# o! X$ q. U* V" W
X u5 D+ S, B( Q6 n; ?4 z;; set [customer] of customer myself
; y% J) @ O% m: w1 S" G# D9 @
1 }- w, \0 e" V3 Z1 \( j4 l$ dset [trade-record-one] of self item (([who] of customer) - 1)) {" j0 M* K8 V
[trade-record-all]of self
- z: |2 h6 @, \$ [2 T) l# b9 g;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
& @) r% f5 y% i0 o' t) R# A3 p! r/ u: G
set [trade-record-one] of customer item (([who] of self) - 1)
* E2 a3 F7 {! f6 u; C+ B+ w+ a. E1 e[trade-record-all]of customer- ], g4 ~1 w0 b7 u
$ d2 j# G Z$ R
set [trade-record-one-len] of self length [trade-record-one] of self
3 h: O1 n# P, ]8 S! R* A5 x& e% X/ N1 g0 x) t# \: r5 a, p- }
set trade-record-current( list (timer) (random money-upper-limit))
8 h2 ^- h# F6 X' B% h7 ]
/ o* ]4 {$ J& R; z5 m* uask self [do-trust]0 A1 A' d. ]6 d- M/ M. v4 N, n' E
;;先求i对j的信任度
' A" X3 e) [4 S8 r" @: X5 R+ n- {) F3 }5 d/ c
if ([trust-ok] of self) W: R% Y3 e3 q, ]" g }: C3 c( n
;;根据i对j的信任度来决定是否与j进行交易[
" s& R0 B. Z/ B+ Y; Kask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself; n$ c8 H( ?! l5 u
4 a; v) J$ j% }! [( a
[
' v/ k9 B5 H3 D- T9 i# Y0 W7 q( s! d( E, R o" _4 I4 \
do-trade
, R3 C2 [ F, q( H0 g
3 Y9 h- h6 X; z, ]( r- }update-credibility-ijl
( a3 S) k: b5 S0 P5 M# \$ U$ `' M3 r3 y+ j- r2 [3 I
update-credibility-list
7 r1 K$ s) |& V) n- t% x9 U' A
0 }. B$ k2 ~" M7 |; K; h
/ V3 R. i1 J+ x$ H z$ e$ Oupdate-global-reputation-list* [5 o3 c( G5 i0 s4 R9 ^- i
: Y% q8 T* m: c& p) H
poll-class7 {0 X) Q# {$ n' ^
]0 }6 d" S* } o6 sget-color* Y% s! y) K7 J
/ O; ~* z6 C1 _" l9 E9 D' O* g]]
) y8 E8 e' S0 U: l
3 [7 }- D0 k: ~, T/ m;;如果所得的信任度满足条件,则进行交易6 ]5 q8 Q1 f( ^7 G3 m
5 J+ B! q! d' y9 f" `7 z ~; M" w
[5 E; x. Y' a5 C6 \7 ^
7 a3 h$ o' V! i+ `rt random 360
% A# [7 r, r6 n# ^3 E$ y% Y" \6 \; y9 p8 ~1 v( v" ?
fd 1
# I% _! f A4 ]6 Y) z( `6 k. O7 @, G- [# Y+ i& e
]/ c( v1 V) a2 i3 h7 |
9 M. t+ ]* f) \' M: B
end- s0 {; B; \# V/ {6 V
$ p) a0 h' i( e) \# U/ _3 ?to do-trust
6 d, x1 x1 ^. v2 @ r/ hset trust-ok False
% e$ s9 k# Q# r$ E1 @
) Q5 N" ]* m3 i8 r# L! X9 i5 |% M7 R4 C1 H5 v( ^ h" J% `2 P
let max-trade-times 0
" v2 r% k3 {: H, @foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]$ F7 o* V% Q8 c
let max-trade-money 0- [: x4 B/ |0 G; |
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]9 v+ x2 T! @3 q$ A/ M
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))6 s. s/ l1 X% y; ?5 s
/ U- z/ T* P7 Z$ A) A3 D
2 Y* l, b( j+ r& E+ C5 w
get-global-proportion: ~3 \8 [1 J4 H% C2 G' p5 f& M* w
let trust-value7 B4 J; j. I% `% `/ t
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)
* w% a( E1 ?) R) b) Bif(trust-value > trade-trust-value) u) v7 G: q8 t$ n- s8 T' |
[set trust-ok true]: _ w/ ?; d4 X: k
end4 z: V1 z6 U8 K# Q$ Z7 o* P, Z
) ^: \9 T, w8 x1 Wto get-global-proportion% n% f; c9 z6 u, u9 K& c0 r
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)7 O9 `) i' N( a8 P& C6 D: Z; V/ Q1 s
[set global-proportion 0]$ q$ l' ]$ A, H. P5 V
[let i 0
4 u4 b9 ^- B6 S0 E9 h0 Q+ Tlet sum-money 0% n) L, e5 _; N0 z1 R
while[ i < people]7 K* N$ @ }* a' O1 J
[
! _6 C3 M1 G( Nif( length (item i
$ U1 Z G: ]0 ?[trade-record-all] of customer) > 3 )
j- p. Q5 Y6 {: o6 m$ i0 `5 Q[
3 d: z! ?! X; y6 @set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
. X) t/ B. v$ U* _+ m]
: }+ I* ?$ G8 `2 g0 c]& z0 e" G, P- |; M1 J6 E. z# F0 I
let j 0" z4 J7 ?9 }6 s1 G) L1 Z1 Y$ O9 C5 l
let note 0% H5 V( [2 ~( }& [; j
while[ j < people]
$ X% H% @ ~: a" T. L2 J' M9 G; ^[/ z: V4 D; \# j9 [8 ]9 f- {2 k/ g
if( length (item i
0 q( D) Q, ] O9 L( L6 y[trade-record-all] of customer) > 3 )/ ^+ X; [% l, N: v0 U
[
8 j6 @& a# m/ i1 ^1 sifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)' S; L& ?: S, v/ R1 d
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
* H& T, T/ K. @: {[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]& t# V w k. T) l1 V9 ^. [
]
4 o5 @( m: p* d9 |8 K8 d) B]' j1 B) v) @* N( {1 n) V) k
set global-proportion note
+ N! _* n* V7 b/ @7 P) ^3 C]# D% D. I) r# [+ M& W
end
% s# o7 P& H! x# \! M
$ H' ]. b0 X7 R; Y( ?to do-trade9 A0 p0 h3 L. x6 F7 U+ I+ B( e/ r( E) [
;;这个过程实际上是给双方作出评价的过程# r% x. j( J9 k' }7 E6 \
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
! B9 z8 ` o. J: n$ h* c, ~set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价" e7 u9 B X& j* `9 u' T
set trade-record-current lput(timer) trade-record-current
7 D4 @% }6 X$ @( {) Q5 L;;评价时间+ k* z p2 A& `! x! i: a9 x: Q9 n
ask myself [3 m; g1 n9 ^1 q( ~% s$ K
update-local-reputation
3 @1 u9 h/ A9 T% A+ T& Q6 Yset trade-record-current lput([local-reputation] of myself) trade-record-current
1 g# Y- t. B. X4 ~* E1 t" U3 B]) K f9 e% v: E: k5 U; s
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself& {7 R% [, N9 ]
;;将此次交易的记录加入到trade-record-one中5 z/ v3 ^8 l: O6 v
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself), g0 E8 I/ s `6 P$ K/ O
let note (item 2 trade-record-current )
8 _8 G0 l) @4 gset trade-record-current
2 g. D! |" ~; ^3 o- x( y& o(replace-item 2 trade-record-current (item 3 trade-record-current))5 K6 a6 C( f& E( _# `( k
set trade-record-current# ~6 G1 t2 V$ `; w1 B6 w W
(replace-item 3 trade-record-current note)
: h$ {4 Y+ q9 M: q1 @ I7 z# q% O8 K0 G* @: {
% V( R$ B3 `+ P' y7 M$ Q1 hask customer [1 W: \. H1 J( g
update-local-reputation
: ?! n0 F5 m& {! ^: s+ }& mset trade-record-current
! }& f4 o! d3 Y& W( f& V' _' V' z2 G(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
, R/ e' ]/ s# h: S4 c& m]. e8 A7 v. P1 ^1 ~* {) O
- X8 M! \ ?+ }; N& I& c/ l
4 U) A9 Y( V, yset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer8 x6 D' j9 Q2 |% d
) H; L- v+ A# c9 }' f0 q
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))6 H1 x, Z0 e; Z5 j4 k
;;将此次交易的记录加入到customer的trade-record-all中
- c7 y) u, K, U( a0 Eend
* q/ |, R& o* s2 q, V! M/ y& p1 S9 ?
8 H0 U$ O- b6 Dto update-local-reputation* [ b/ `5 |: |6 l9 I, G
set [trade-record-one-len] of myself length [trade-record-one] of myself! D3 m- I. C9 O+ a( Z7 t+ V
5 I9 _2 o1 ^) c+ g: b% a3 D1 K2 G' \, e3 `0 n- ~# ]
;;if [trade-record-one-len] of myself > 3 - S* a' R3 x3 N, F
update-neighbor-total- P5 D6 s( Y$ H
;;更新邻居节点的数目,在此进行
! \& |" R* R! g& s4 v3 Y( S( J4 Wlet i 3
" I, R0 Y3 }( Zlet sum-time 0
6 r P5 U7 w& j) x5 xwhile[i < [trade-record-one-len] of myself]
; d/ B# t9 j. Z& v. `) W1 a[" p! u# ~- ]4 L% i
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )$ { {* c1 c6 l
set i
3 }& G/ ]/ Y. V. |+ T* ^5 g/ J" p( i + 1)
' {7 v W3 F0 L2 Z) m, O! O* C]: I0 i. ?4 B( ~- F% s# {
let j 37 E Q& l9 [2 g# a( S9 h% w
let sum-money 0
# A8 s0 o+ Q5 ~. u% w8 A3 n/ kwhile[j < [trade-record-one-len] of myself]
3 d$ G/ T e: I1 X, ][
0 D5 ~! A2 T* R& }/ Wset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)1 ?& [( J0 m) D& W \- N2 Y
set j
5 a4 j+ ^- c* a* o9 y6 ~* Z( j + 1)+ `3 s3 J4 X1 h& k; p) U
]
, f v; t5 j% [: elet k 3
) }3 N$ J, o& r) u. z% mlet power 0
7 b- E7 l* E7 b9 ilet local 0+ h4 w! R4 w5 B- x/ H
while [k <[trade-record-one-len] of myself]
; O; v* f, v7 ]0 I6 `5 v) w[
# h8 M% v4 Z+ A* U# a9 aset 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)
; r. i/ K5 \/ {% M* Mset k (k + 1)
V6 f3 M) i- t/ e% Y) x/ L]' E2 }+ [" Q7 X* i& e+ H- i
set [local-reputation] of myself (local)
. u* B2 o" _ g0 o% N% T8 oend
. T4 K/ O: w0 y9 I# g" e
$ s: K6 i$ M0 A6 x ito update-neighbor-total
2 d) f) ^3 ~$ l$ v3 Y" F9 ?, B8 @% u; b5 v) u0 g
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]9 Q; h1 o, N: G$ ^0 P/ h1 I3 ^
p- p: l( U @" v$ w( I, x7 s* d5 `4 |6 \; A2 y$ L' M- u
end5 o- W" @% P. L# D
I6 H% k6 E% N( K
to update-credibility-ijl + t0 ^# ]6 E, [+ |
1 x7 }0 U1 V4 R, Y! F; C) P# H
;;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。
: ?# R" F0 O, X- J1 xlet l 0
' ?, N. L6 k) @" _while[ l < people ]
) y4 _0 N ~6 e5 ^% W;;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)" G$ w) x8 W/ t( u1 s& d
if (trade-record-one-j-l-len > 3)- c) H+ ?; F0 x# l0 m
[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
% j( r$ O+ j8 A* E( a$ T% l7 H* dlet i 3
# t# c! \1 [' c5 qlet sum-time 0
+ ~2 Q: M2 y* u9 Q+ e7 D; ^while[i < trade-record-one-len]
7 g. E# z( x# S$ f ]. x3 c6 h2 |[
/ b @: ?9 q7 O% \set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
7 E& O0 s: k5 }0 F6 Sset i& P0 z- T# H+ N. h
( i + 1)
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let credibility-i-j-l 0
V& m: b4 \3 K m! `+ ^;;i评价(j对jl的评价)! f/ ^: K" f; j/ b
let j 34 k7 {4 a' X9 q1 n3 U
let k 4
. f4 T, Q1 F( S' V& g }while[j < trade-record-one-len]
) H) G2 `3 k$ o. i) i[+ m$ k. ?5 g' d$ d' x, ]2 g
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! D) G( y6 U/ i4 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)/ E7 r3 z4 l5 U3 ]/ V
set j; h( ^ ^7 p2 U3 c, q
( j + 1)+ m% E) v0 [- ?2 L o2 @
]
' R0 O" u; n% d, Q0 ~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 ))
1 G, X ]( x! R2 x; y; {- _0 C: v# U4 g* Z/ _
. r3 q0 ?* @# m3 {1 Y0 Mlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
. K8 n$ C) a o8 f C* R3 R( b5 U;;及时更新i对l的评价质量的评价! p2 N. H, M# p+ H( C- {7 B1 r
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
2 g, U3 J3 D5 g$ |4 a' ^ e% D4 q5 A( Nset l (l + 1)4 Y- q: \& L% E) x- i; H# s0 h
]
1 v; O6 W% E# `# V1 qend
q: K" T6 U$ O+ G2 Q1 o3 @! x$ V2 t3 ^4 T8 R- O; r$ e C$ Z
to update-credibility-list
8 [" L: w m2 zlet i 04 }" [$ _+ n0 a, w
while[i < people]
0 M9 f M" p. @& K' _/ K2 k[
# `. P6 h! p% \7 }let j 0
/ h) r% F( a6 p2 S( a, C+ elet note 0) x8 M1 s# u- @; U8 g
let k 0& D5 J! I. y1 ^: V: U [& c
;;计作出过评价的邻居节点的数目2 E7 w$ }1 \* q! c; f0 s
while[j < people]# O' N9 a3 }" i( {
[
2 O+ T( v0 T' |0 m$ s& W9 Rif (item j( [credibility] of turtle (i + 1)) != -1)) j, T( @# e$ q7 z
;;判断是否给本turtle的评价质量做出过评价的节点$ S) U+ s* G9 [7 Q$ l9 q5 h+ W5 T! n
[set note (note + item j ([credibility]of turtle (i + 1)))% i ~$ x2 {) m/ P3 h& P
;;*(exp (-(people - 2)))/(people - 2))]2 l; P; w1 S, R
set k (k + 1)* q/ g. b3 T* r$ [1 y/ l: b" t) x
]& x: `5 _+ W3 E$ @" p3 f$ h
set j (j + 1)
$ c0 `* a- D: l# Q]
; g6 ]' _2 R5 d$ u! Aset note (note *(exp (- (1 / k)))/ k)
/ d! b9 R$ v9 ?6 P, @- wset credibility-list (replace-item i credibility-list note)
$ D2 J; G7 h+ e6 Dset i (i + 1)
7 R- W0 e/ u- U, F/ k/ H]
3 P$ q" L) f1 C: g5 O: [( X4 S5 [end
9 H" ]' q% O4 F" }' t
1 N+ ^2 p( G, L* [$ ^to update-global-reputation-list1 U" w! J* l% H$ x; ~
let j 0. f$ M- M3 o# Z4 X
while[j < people]& o/ U) Y- c( o7 B" Q" C w; U3 x1 T
[
! h: b- H& A. _ n3 I) ?, Jlet new 0/ L" r' U+ e2 L! U; {
;;暂存新的一个全局声誉
& k' [/ f9 [* k1 t" \let i 0
4 r$ D6 c# F: B8 a" D' vlet sum-money 00 ]( g& e8 J2 I1 l+ T- F! t) R3 H
let credibility-money 0, K' k6 [3 i2 }) r: N
while [i < people]
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set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))) j. I! D6 }3 w$ x0 o2 ^
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
+ `, P8 w, q* N! lset i (i + 1)
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5 t3 L W- P2 O. Flet k 0, C" G5 Q" Q- b+ B% m
let new1 06 y: l5 G" H# {& J8 i. A
while [k < people] P1 b' f( f4 e% I
[# s/ @, b" L$ [* p V4 B( E
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)
, w" f- @0 }7 L2 Q( ^ i. {- P! [set k (k + 1)3 Z+ j* ]0 S- S& [% U
]
6 a8 S) d: U( E3 x" vset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
. i8 {+ _8 A$ cset global-reputation-list (replace-item j global-reputation-list new)! O% {; p3 P6 A9 I
set j (j + 1)
1 }) _* `2 d8 L9 V8 U9 C j( G]
3 C1 S6 Z7 R; ~& pend
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4 i8 \& R$ K' @) ~; O. T" h0 d& f9 @$ v8 }6 n7 R
" q4 t" F$ ^. \. _to get-color+ b! \- v) _1 D/ L
7 i# a L \, z* Y. \8 e4 v
set color blue
5 Y8 z* [+ N9 d# d$ L" F; g8 Aend
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to poll-class% I2 h# c2 |" v c Y
end4 A' f) |* W" f+ I% e* m& ]
+ F8 v2 ^& s, D3 |: ]- z5 Bto setup-plot1+ |2 ?0 U \) {. J
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set-current-plot "Trends-of-Local-reputation"
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/ B P+ ~' D, F. _+ x. g0 Jset-plot-x-range 0 xmax& o# O! K6 H+ c2 e# G- F$ n
Z! ~* l1 z$ D6 P. {0 h/ k
set-plot-y-range 0.0 ymax
+ c6 \- m7 e. Qend
$ q7 c- x1 R, z# J2 q
' N$ Q8 i! z! p' q6 ?to setup-plot2
3 o5 k0 }/ k' A1 V6 k/ O! f- s' w0 v; v
set-current-plot "Trends-of-global-reputation"
- p9 O2 F: w+ ?6 ]" X
% j" J0 T9 c/ G, hset-plot-x-range 0 xmax2 z$ r Q* U$ i4 M5 N, B* h
- z# t( ^4 @ N; k' Z) H+ }; E
set-plot-y-range 0.0 ymax( W3 c& R% i0 G
end3 Y+ H2 p& r5 r, a
) R3 p: Z& b; h) k) Z4 \to setup-plot3% y% r# y# w4 y) Y" i7 Y! w X
0 y: o9 l: t+ G- Rset-current-plot "Trends-of-credibility"- D @) Z$ ?# v0 n* @/ |
. O$ V0 z* X: q# R; p* b6 J4 w
set-plot-x-range 0 xmax
5 N$ f {, F1 \$ q& G u
4 ~0 ~* U! l( @8 qset-plot-y-range 0.0 ymax
* g2 g; [5 `/ d2 L4 J; wend
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+ r# z' k/ Z+ K) k5 i- K% a. ]to do-plots
# \( _* g* d' f! q9 D! oset-current-plot "Trends-of-Local-reputation"2 Z" O" j! a. f8 g. ?# X" R+ B
set-current-plot-pen "Honest service"/ ]3 i; O" I# x* e* V3 L1 F1 z
end- [: [% W4 P6 U
G/ j" ]/ \ Z2 R P
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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