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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
1 r7 j8 k6 T& S5 ~globals[
4 b% r# u1 ?6 _! {xmax3 Q. @- L! a o: e
ymax
0 ]! X* q7 N2 H! a3 }global-reputation-list
7 p$ z2 r/ l# _7 F* ]6 p; F! }% t" i( b; W
;;每一个turtle的全局声誉都存在此LIST中1 x1 o6 v- c) ~5 D4 P0 w
credibility-list' V& w% m) _8 m/ h( C
;;每一个turtle的评价可信度6 S5 |: T2 _& H4 N7 C+ t! S
honest-service
3 @7 R/ ~9 C8 b, `; u% Wunhonest-service4 x; Z9 D; v, v; Z) a( f9 m
oscillation6 _9 Y- }# l6 B; M9 N
rand-dynamic
6 W7 U- [- K) C N0 G]' ^, J# H! l' h2 ~
$ B4 y0 P" P; H, `% Wturtles-own[% l9 C3 t# a( l+ O) O
trade-record-all
1 k8 \* B1 ]; D$ \+ ~. Z;;a list of lists,由trade-record-one组成0 [( _) b- g/ r: a
trade-record-one
2 a a# Y/ z5 a;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录7 L' m4 D8 \" `( E
6 {; h7 ?3 t/ X2 _( `8 r& r0 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]]
4 ` E$ }% b. r6 y9 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]
4 C9 ~0 Y6 `' }) i9 c' q& bcredibility-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
8 }" |$ a% o* I7 t. |neighbor-total
# N2 l1 c) K. R0 U4 [; `;;记录该turtle的邻居节点的数目! Y" Q+ F9 I0 N4 l
trade-time7 a/ c+ o) {( b) f4 ^+ y/ o
;;当前发生交易的turtle的交易时间
2 _5 y/ D* l" l' t* sappraise-give
/ X* R3 m. ]2 E1 i- t5 d;;当前发生交易时给出的评价2 f7 D( p7 t! g8 ?2 x5 o7 g0 @
appraise-receive) @& v4 j) v& O' O/ s) A
;;当前发生交易时收到的评价
+ N- z; | j1 s$ ]; E8 N- happraise-time
' j; Y$ W) I" i# `;;当前发生交易时的评价时间$ L6 G6 _& {5 z
local-reputation-now;;此次交易后相对于对方turtle的局部声誉/ R9 T6 z# @* |% j; s
trade-times-total
: l* q: i/ N/ \- g H$ {;;与当前turtle的交易总次数% S9 A/ f1 d# g1 l
trade-money-total& {' n' L" _. `$ U. m: M1 y. j4 ?/ g0 N
;;与当前turtle的交易总金额
" S3 ?% W: K. C/ f4 klocal-reputation
+ @% a7 ?: S2 `7 kglobal-reputation6 X: z7 | v, m# h5 }1 j$ U
credibility
7 q: F; g4 U5 `;;评价可信度,每次交易后都需要更新# A7 }* k. n5 z/ I2 o1 @$ M
credibility-all
+ ^! [6 V( t% j;;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" ? ?+ g9 t$ k. o
; B3 N0 S, x0 s9 V9 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
( X; p) d8 Z, U- f0 @2 r! G$ `5 ?credibility-one* i J2 Z2 p* x3 T; }
;;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
5 n4 i1 `* O$ a8 qglobal-proportion; N: R* U8 J% E- Z4 G9 D% q
customer
5 ~' k- L" ^" m' S+ c1 u% Pcustomer-no$ g& t) s# R T( t2 `% s
trust-ok1 t+ Z! _8 P& X# z% r
trade-record-one-len;;trade-record-one的长度
. D' V1 ~3 N3 z% J]# Z+ B( d4 T! }/ \6 A, p5 `+ u
* y; P" z. i- i* t
;;setup procedure
1 |& g" J( L& O* S1 q/ o. c" w/ |7 K
to setup
; g% `" s' i( O; \7 F/ F
3 `% S6 Y1 g# Y! r$ f, |/ L. Jca
8 D( I- K/ F: `" c' O
4 a/ v' F$ B; F: Z) u4 winitialize-settings. q% l' c: Q. r$ z8 h* N& K
5 H/ h+ U1 Q6 j2 ^crt people [setup-turtles]0 |0 `" G, `" l: z# h" e+ R
0 y8 u y. D: D) g5 s$ creset-timer; g, u( m4 l' B) x6 N r
; G8 h' c3 x( S1 `poll-class& i, H4 E' c4 S0 P# C
3 n: u' T9 b8 X1 @0 Xsetup-plots# D H7 |+ p6 V' s% f
# Y6 I# I7 j. H3 x5 j! udo-plots
% w% @! ^! a7 L2 x1 _$ \% qend- Y Y1 N2 n: o n
) ^. X; Q. F- S0 c* P2 qto initialize-settings G/ b9 A# W# E$ \( d
6 N0 [- O( Q: s) U
set global-reputation-list []
" E2 `$ H8 i k# |9 }1 A- T; {5 P
, p% e+ Y2 g( Y( L9 y+ F' S8 q9 iset credibility-list n-values people [0.5]
& w0 ~' j$ \' j, Z2 r$ A6 F4 Y5 a0 {7 \
7 ]: ^6 {6 H) k6 iset honest-service 0
# }! B1 i7 P9 \8 t# P7 R# ~' p
set unhonest-service 0
* p4 ^* l1 f* I1 |' O1 H/ ?6 C) R' D
set oscillation 0
, c3 P. j! E' b; R. A9 s5 s x) t( S5 m! b
set rand-dynamic 0
8 M" O8 k: r }! s0 Mend, g8 d9 `/ c) B' S7 O
/ J, b5 t# |5 U. T
to setup-turtles , `6 {/ O r6 p" e& q
set shape "person"
& b4 c5 _% X# O7 zsetxy random-xcor random-ycor) { C: H: _5 l+ f; U
set trade-record-one []& P- |1 ]; s- Z& I$ }$ Y
( L1 B, r( q8 ~! f0 A( m% ]set trade-record-all n-values people [(list (? + 1) 0 0)] ' @" u* [4 Y2 `( v, B
0 F9 N# W9 n: B* A
set trade-record-current []
3 J3 Y4 ^ b9 D% c4 yset credibility-receive []0 ]5 |9 m( ]" G/ n$ g2 K
set local-reputation 0.5
4 `- R) C2 }3 Uset neighbor-total 0
! k" |; j8 a! u5 N/ m% l3 v6 zset trade-times-total 0
5 Q9 X7 b; s+ R* X9 d5 b1 R4 Nset trade-money-total 0
1 S$ r0 N* j2 j/ u; i4 \9 v/ vset customer nobody
5 u/ v/ V. j* sset credibility-all n-values people [creat-credibility]
/ [/ m) F" J; s/ {; c3 Iset credibility n-values people [-1]
" m" N6 k+ i+ u0 Qget-color
% H$ b3 j' P& @* Y& i
9 d7 y' ~0 S) e' L+ l5 ^6 f$ Jend
4 ~- u ]) O, Z* l/ P0 d$ ]
! K0 M3 v' Z' ?2 Lto-report creat-credibility9 ]/ \. c3 N3 _5 H+ K1 `
report n-values people [0.5] Z7 `. H" V8 k' T; r
end
) C+ F* k2 {# E# D, B, R
- f, P6 S) @" X9 Ito setup-plots, V3 C; E6 H% L& s$ N9 h* x
1 S4 F9 t1 b! O7 ^
set xmax 300 `# o1 l$ L2 s; Q1 D# z8 T
1 t& G. l. N$ J e; H# V+ P0 Fset ymax 1.0! i+ ~7 [! u j8 }
' _+ j+ R/ b# B: R% ]
clear-all-plots- a. F" }+ I1 W; H# [
9 N; X! d. r6 J6 L- u1 L7 B. dsetup-plot1( D: W; e" l( S v- ~" X) F& E2 \
# e& S8 N( Y) ^ R v9 z9 wsetup-plot2# p+ k. o: c$ `# h) Q" v
- c7 U/ V+ W4 X4 x1 P& Dsetup-plot32 H( H; p3 U- W; K- M* M* k9 b
end: `; `, P+ h5 w3 m) ~- H2 \2 w
+ R- |8 J; Q; j4 U& m' V
;;run time procedures6 h" p5 t6 o* S( ]5 D
% a" O3 y2 d i2 w5 _1 W) w( Jto go5 D$ r: X; S5 C# m. z
7 P; ?/ e1 g8 \; i, _7 g% F/ ^ s
ask turtles [do-business]
+ n: L4 X7 S- @end# I7 p5 y, W4 a, k' t; c
4 P& E# U- K# G! ~, Fto do-business
( T1 }. L. {3 T3 y# i6 z0 ^" V6 v& {# q0 {" g. Z
* W! w% J" w: {0 E* H) vrt random 360" K# @5 D1 d) `- F# T& C
# e2 ~* K) w' S6 |9 D* w% bfd 1
% [9 T" g9 i; @ X
& l8 m6 k- s& x* aifelse(other turtles-here != nobody)[
# f5 g& Y3 R% S: ^4 S+ i& F" i1 K( d% H9 R$ S
set customer one-of other turtles-here- B# f4 B. @5 N* L
' h& k1 p) Y5 a. j6 A
;; set [customer] of customer myself- K/ k$ n) R1 q; o5 s5 h
# K0 l7 {' H `( a8 S: r# nset [trade-record-one] of self item (([who] of customer) - 1). }1 r) {" i4 j6 n5 }% i' Q
[trade-record-all]of self, b% H& N/ C7 C! D9 n
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
9 h% Y* P. ^7 A1 M) I. L/ h4 m! [# G, O. c% P+ `
set [trade-record-one] of customer item (([who] of self) - 1)9 R4 D1 O9 M, X7 N
[trade-record-all]of customer4 E- @0 \. }! X. @. Y( R& t& ?5 x
" J7 M7 P0 [4 eset [trade-record-one-len] of self length [trade-record-one] of self
( q. C) h9 n4 W4 c" y) o4 c( r1 ^
- x& l( j4 q" S7 g Q cset trade-record-current( list (timer) (random money-upper-limit))
+ P- `) l* C! Q. e/ I2 x/ q( }
ask self [do-trust] x5 @" F8 P/ g" k( D$ u& ~+ r% X8 ] ~
;;先求i对j的信任度! |' ]8 I) `0 L. O0 r
9 _& W* d4 N6 v
if ([trust-ok] of self)
, {# ^( e/ O+ A" u# H+ d;;根据i对j的信任度来决定是否与j进行交易[
: j; K2 R- S/ ]ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
( x ]! k; H7 F/ ?0 ~! I6 m& _
: W$ C, B! T4 C, v9 _[
2 [/ }0 E1 `3 [# X! D
# X+ h, S: D: e! j: jdo-trade4 W2 U7 _7 g- x
5 m+ z& I, x* j I# Z
update-credibility-ijl
8 d% Q# k1 A/ c3 ~
; Y5 f; M, _% c6 x; b+ ]update-credibility-list5 w& @2 |' g- u( y6 i% L
; k5 h0 }& {" t+ H3 v U" p- D
update-global-reputation-list
$ l9 c" }, V* o2 g* z* Q3 Q: u+ w8 z5 Q/ }
poll-class/ C. [6 e y5 @6 m9 e; V
$ J( y# d5 x& o7 l+ Wget-color
6 Q, @# f0 n0 S' e/ n2 X% n2 E0 {% g. e- W& |" G9 B" E) G
]]# r8 ?% |1 X! ~
/ O( {2 p: J; W2 |) s" K
;;如果所得的信任度满足条件,则进行交易
6 K5 H9 a( j" x
6 q3 m+ u _8 y3 b4 p[2 `, K& q3 j. W( Q9 P
; ?7 L- s2 ^5 B+ J0 g2 j: C7 brt random 360
4 N& g* A! N1 c, W6 S8 C( s4 T' o* B( ]/ P. M& W/ s
fd 1
9 R4 l# b; Y# n& J1 {! H U, R
# F0 V3 k' x3 p]
: ^* o: k+ X' ?8 S$ f
$ x3 ?4 E e/ J* y5 ?) D( _% i9 S( tend
' U: \+ q5 f+ F h% l$ [
' S3 f$ j8 N2 d% Zto do-trust 5 i+ q9 Y7 q$ [, X* G7 [
set trust-ok False& H# X% D6 n" \1 G
5 b1 g6 T+ G( O& T# X ^6 l( R' |( ]4 m$ X6 Q' H6 X
let max-trade-times 0! b' \& G W( x; c/ p
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]7 I! a) r/ U4 S- f" M
let max-trade-money 0+ X% f% O v% Q
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]6 \+ O/ [' z/ N8 G
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! ~ V( z: Y8 [# D8 O* X" M* }0 ]0 }8 U
3 A3 q8 @/ F8 N% I2 ]
get-global-proportion+ b5 }5 g z/ _7 b
let trust-value$ O6 g( b+ ]+ b* t$ u" z4 K
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)) i, B+ F8 ^( i8 q
if(trust-value > trade-trust-value)
: t; c M/ W9 o- v; e2 |4 F" X[set trust-ok true]; n ^7 x( s2 C* N3 X8 p' H: C
end
& Q) e+ x+ x' N! G$ s$ P9 {& q( F7 Z/ k& f6 @0 v
to get-global-proportion
: [& X! p0 E" ]6 i! ~$ Aifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)1 N; j) A% |% y/ s- u- ^
[set global-proportion 0]+ s7 |' X9 h, o3 X5 f
[let i 0
' ?- X& m. Y$ g6 b0 ^, tlet sum-money 0: G# t; b, }4 ?" P5 G- Z! C
while[ i < people]9 f# f8 k# V, y2 S6 u7 p
[7 N! P7 B# }0 J; f. L* a
if( length (item i0 O. ?+ G( Y' B7 e# N, o/ P4 X
[trade-record-all] of customer) > 3 )
! A+ W9 A* I& m+ o; i; r9 {0 @[
; S* P; J! h# W, Y( O% M7 e' z( Wset sum-money (sum-money + item 2(item i [trade-record-all] of myself))- o9 h B( y$ @" {8 u, r! S1 o
]( f: z. {* F+ i8 Q' t
]
1 [5 }6 c2 ~" k/ u8 d3 y5 Xlet j 0
; e" m; P, E7 V' Z+ j9 blet note 08 T$ P8 z- \7 f+ Q7 B+ s% l
while[ j < people]
7 \' s2 ~6 z( l0 f+ L[
5 j5 I5 v2 W9 o7 w# zif( length (item i; S3 r& g: l; `' O9 ?) W" @
[trade-record-all] of customer) > 3 )
. K; I8 Y$ L# t[
# j" ?+ H; O$ j. V2 E! Pifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
2 Q7 s6 x9 s- F[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]2 e P& U4 G- D: ~$ O5 E y% s9 A
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]$ ]7 G2 w" a1 D+ R2 n4 F
]
0 [% F" d* d$ b8 h]
1 t. ~% R9 i; g) X% Wset global-proportion note6 B* m6 w# l1 k2 i* }" K: H
]/ r+ p+ a* o8 E, r) m y& D
end
/ V- g. ^; n4 m) B" W* l
0 _' L& d, {, P4 g/ }3 |to do-trade
8 i" u, E% O; k" I;;这个过程实际上是给双方作出评价的过程
! w: G* d3 H* pset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
% B: r* {% }8 ], V6 Pset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
) O+ T' s( ^$ u/ T2 W r2 z4 xset trade-record-current lput(timer) trade-record-current
! q- M* ^6 q" Q& f' R/ W6 v& V. M;;评价时间
+ T/ `9 F: q! {9 n' F% w7 sask myself [
- J# U, U2 D" j+ W# y' mupdate-local-reputation \5 G6 _, O- `& {: @- C$ s/ p5 f
set trade-record-current lput([local-reputation] of myself) trade-record-current
! q) v6 \3 ~) t ^) M4 ~/ Q]
4 V# h5 h6 o+ V5 s# X, n3 `set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
. {& _8 V" b7 }1 X7 {: };;将此次交易的记录加入到trade-record-one中
' P- L: b d2 g- N# b! oset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
{7 i- ^: D. L- M; U9 ~/ k. Ylet note (item 2 trade-record-current )8 ]/ k! l5 x6 t# E. B$ t
set trade-record-current
9 P. ?8 [: V& Z2 z, ?1 Q2 ^(replace-item 2 trade-record-current (item 3 trade-record-current))1 j3 n% B* K4 t7 `
set trade-record-current* A/ V) I, @& `6 \
(replace-item 3 trade-record-current note)
2 I& v9 V# ?/ d& ?- |2 F
6 |# X9 K8 O7 q7 R0 Y: o/ _& [- {( T* `
ask customer [! F& c. g7 r4 t/ c; O1 O- r
update-local-reputation9 z+ ^3 t+ @9 ]" _3 N
set trade-record-current3 W0 \4 s9 @( d" U* J9 s5 Q* Q
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 8 o5 j' W+ j4 c9 A1 b
]. ^% n& S& J7 b: k' e6 j1 @
' E+ ]+ m7 R1 S7 ~& `3 T4 f
2 _7 a. w3 n1 m9 Z1 j5 D. ^2 c$ hset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
3 s( |7 ^, \2 d& \7 P
7 O& e8 ]9 e- o ^set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
& y! N# |% g6 z;;将此次交易的记录加入到customer的trade-record-all中# d; g9 A8 v6 |$ t
end
7 x4 T$ r$ o9 G' m' `7 U
4 C% ]1 I8 n. m6 eto update-local-reputation
" |8 A7 A _* D- e5 K+ aset [trade-record-one-len] of myself length [trade-record-one] of myself
( E- N" A8 j' H) ^0 p/ F! a6 K8 l- _; D- ?- K* u
2 F4 F/ d/ y. |0 }+ W2 E
;;if [trade-record-one-len] of myself > 3
3 Q, D6 @ G; ]! W" T7 `+ hupdate-neighbor-total
1 n2 b# j' E4 F9 ^& a;;更新邻居节点的数目,在此进行' u8 t9 m6 T' y+ K
let i 32 [. n9 x3 ~* o9 M- e- i! h
let sum-time 06 F* e! P" o7 L1 u% X5 o0 Q( e( @
while[i < [trade-record-one-len] of myself]/ Y1 ], c& |: F% b. y% B+ {9 I+ F
[
. h8 z; J3 [ D/ x+ y0 k. M) yset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ); p7 _! @0 R, z4 ]/ ?% p6 P6 @
set i
7 }& m) N e( g$ ?( i + 1)" R+ R8 K( U$ Q5 v
]
4 P/ q4 ^3 O; ?6 Y1 g! [! G' D2 U) Jlet j 3* H7 K) G6 j( U. ]8 S) u" S
let sum-money 0
$ X% F& }8 J' X4 M: t, O3 P& ^while[j < [trade-record-one-len] of myself]/ p% \$ d- j$ V. v( n; K! a( ^, t
[
- |$ P) _5 O M' S0 ]' }# nset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
! Y k0 q5 e8 c1 ?1 ?set j
0 R& o/ Z; f- D( j + 1): h7 ^. F9 T1 z1 o/ v
]
) r+ w, T6 L+ i- M6 Dlet k 3+ [6 Y. p: P- e. |* P9 c
let power 0
- @* D# Y7 ~- h& Olet local 0
) l7 d) Y. W$ B0 I# O, R* Cwhile [k <[trade-record-one-len] of myself]
/ i* k/ q4 F# Q3 M$ p- Y6 Z[
; w% v) ]2 f2 b% \% M) @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* J. F2 Y2 J, J! Q, S* H! b' V
set k (k + 1)
/ U3 }( Y, u7 l8 f]
0 t' N0 X* k$ p1 Zset [local-reputation] of myself (local)
5 e* e, O. ?& ^# Z4 W$ Iend
- h- ^9 ^% w3 E' L, j; w5 }* ?+ s: r/ u" B4 r9 S7 q' M
to update-neighbor-total
+ W' n _/ w. {; a2 e4 a T5 ~( ]6 X* [" S1 W1 D- T: s
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
6 [( m) S4 p+ O
6 J2 m- f4 `8 P8 K- h. g
0 E% ?, E/ `9 yend
R) z3 O& V. U( F! D
) u. T+ B& q( P9 A2 q8 {+ u1 f2 u3 Vto update-credibility-ijl
. t2 D6 E8 y6 n! q. ^; j6 y# O/ [# 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。
) m. |5 s3 g# h; B" \ Olet l 0/ k/ x6 T/ |4 P* q; w @ x
while[ l < people ]
% \4 \5 H$ [! J# T/ J) };;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! {( `" O3 p3 q
[
, E1 a+ V# y' j- t9 O9 glet trade-record-one-j-l-len length item l ([trade-record-all] of customer)" M$ R& ?( P6 f- m' D {3 W) z
if (trade-record-one-j-l-len > 3)
5 ^) j8 N' L2 B. F5 I/ 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& S x. K# D* b$ F4 r9 \. w; o( e; P
let i 31 G2 P# g8 Q% b+ u' J
let sum-time 04 x" V" o/ @) m( o
while[i < trade-record-one-len]
8 p# b- w4 ]& i+ {( s( a. F1 O[
) A3 V& m7 n1 [) _- Gset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )0 ^: u+ w9 A2 [9 D# Z: N8 v1 F* }1 D
set i
) Q/ k8 J3 o4 S$ J% O( i + 1)
& O- A' @9 R: b6 H# D]1 G) i) e7 Q$ V
let credibility-i-j-l 0
5 y# t- N1 I+ r' i5 [9 G) e$ J;;i评价(j对jl的评价)
! K, \9 t J. @/ z/ `! q; C ^3 Wlet j 3" C+ u; s# e' ~4 `& N# A
let k 4
m, a6 b0 z+ v+ N# E* owhile[j < trade-record-one-len]
! V7 t! d& y1 b[4 V% e: }' s [' n
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0 y5 L% n/ w; v) y' y! V
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)
, [/ k8 s) N* a# ~set j
1 L% ?2 f7 J3 k$ j- S( j + 1)
3 n6 B1 @9 k# Q, ?]
/ k4 [% z8 B& {( j& tset [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 ))! O3 [ S& q# j0 ?5 b
- |% K* S, v: u+ Q# M% x2 b0 x; [
' A; S% E, T% V) b& q% L
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))0 S6 F4 L* E1 G
;;及时更新i对l的评价质量的评价0 n, y, }# N- h1 O o
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]1 j! X4 s% c/ ~9 \. U. H
set l (l + 1)
, i( b/ E6 ~2 i. t6 ^! z+ d0 c]/ f3 V! d- e% U) u3 E) k
end* ]- R, L D& a4 ?: ~3 W
* c# Z0 G5 i5 {: Jto update-credibility-list
3 B3 L4 |7 Q/ V6 k5 jlet i 0& v7 r% S" }9 R4 [* J! }
while[i < people]
" R& {5 [+ }/ e. m z4 W1 |[* Q0 Z2 a5 y* v( A3 \7 |- Z
let j 0; P U( E4 D0 J8 h1 B
let note 08 F, [: B& O) A( [) D
let k 0
( I- f$ i2 ]8 S I* R7 n2 `* d;;计作出过评价的邻居节点的数目! k" [0 N8 |9 }( o
while[j < people]
: J8 }, F% ~/ a9 h M$ w[
- g; X& X- B W8 ^if (item j( [credibility] of turtle (i + 1)) != -1); X. i# j! f" b$ Z
;;判断是否给本turtle的评价质量做出过评价的节点
% u! X3 h7 g2 o; W" }) S[set note (note + item j ([credibility]of turtle (i + 1)))6 b8 b/ G+ g, e. X9 R
;;*(exp (-(people - 2)))/(people - 2))]
2 q H' Z& Q+ ?% R& \set k (k + 1)
5 e9 C# ~5 K2 @6 a' G2 Y]& @( c: l9 \2 l& R8 j
set j (j + 1)
( C1 Z# k% {% L( Z! L5 N" O]* m& P* P( U8 ~2 Z. h4 ?6 g
set note (note *(exp (- (1 / k)))/ k)
v+ V2 u& t: z' ]0 Rset credibility-list (replace-item i credibility-list note)' i, D5 Z5 I8 S- N4 Y
set i (i + 1)
. p; l; K; }, n2 X]+ s) B3 e, T$ @
end0 i* V9 ?' [6 @2 {9 F; y
F# u; o9 }/ \# mto update-global-reputation-list) o" }3 f3 x: e
let j 0
$ q6 Y2 A/ K: m/ dwhile[j < people] P" h8 ^1 q2 ]% b4 z9 k: l* z p5 i# ^
[) H( q- p0 ^ {$ |5 Y7 f) r. j
let new 0/ G9 r: f6 f! F! c X) S
;;暂存新的一个全局声誉/ H. `! r; X! Y
let i 0* {/ G& D) h( ?; G* s! l! e, m
let sum-money 0( T$ K+ J O* r4 y9 c: c
let credibility-money 0
+ \$ [! G: h! i5 j& W( s/ gwhile [i < people]
S, t7 _( {2 z, X" g! l8 p( k[
% ~( L7 x) w3 ]2 E# x' H1 F% F! gset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))1 S% \+ A; G# C: K+ c
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))/ U7 S1 `1 p. d! p0 q$ X
set i (i + 1)6 ~5 T' J$ q1 p" u u
]
4 g& n' v9 F. G4 b( ~( nlet k 0
O1 [( Z% T! g# {0 s llet new1 0* @- U ~% p2 u; s6 Y
while [k < people]% h) R# k6 |6 O6 Z# X
[
$ b& F0 C6 c0 M8 M6 r4 g) j# wset 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)
: O4 }+ y. Q- Q3 j- s+ d) cset k (k + 1)2 f1 P9 V7 V9 w6 H" d
]" {: g+ j- G/ m$ w& Y
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
- W$ @6 f+ Z, S/ Mset global-reputation-list (replace-item j global-reputation-list new) n: ?5 q8 U7 H- C% G
set j (j + 1)
& Y' i. r& j: n0 j& J]
. m- x* Y8 z6 F r% D/ pend
0 q7 l7 b2 S W% R E: ^5 I$ }. _" g& O/ L2 |9 A$ {5 W
: A3 b& q# g9 W! \4 I" [) n* I- n. L' k* @2 u
to get-color
3 L& ]$ o% w1 W& _: k9 h4 E, h0 v. i0 D
set color blue
, f3 j- P+ j, u. S, P: Rend: \+ p8 A& }8 J7 k2 }! v* N* h
, Z; g( v% L1 n3 Vto poll-class. _) Z! q$ @& o' v: j
end' y1 u4 I! x% z4 I6 k9 K
! I( i+ n7 u# h7 X- s
to setup-plot1' @& V& R( R3 a% S$ {
9 u. X; L3 {1 }
set-current-plot "Trends-of-Local-reputation"( O( e, l* S8 O- h+ f, j- o' u
4 c) ]$ Q; u( e) ~5 B+ @$ q: [set-plot-x-range 0 xmax* |5 {$ b' c/ f7 g2 k0 X1 G6 J* c
0 u0 V( y! m7 Y4 |2 mset-plot-y-range 0.0 ymax
# p9 Y) p0 p6 F: c( G8 e) iend. y4 b$ ~8 }& ^
6 V( ~8 @: R3 [" F
to setup-plot2+ V' w# U- {# L7 v! @5 o
% p, ^8 A6 o# `8 i) k' \
set-current-plot "Trends-of-global-reputation"0 C+ f8 b) p+ b$ r9 F, `- `5 s. f
6 p+ Y9 {7 v8 T
set-plot-x-range 0 xmax/ m* D; k% z9 s0 R
) z% w! i0 h9 R" ]( gset-plot-y-range 0.0 ymax7 p' |) m4 `9 ?8 Q
end
5 G: ~2 q* A2 k+ u% j, o$ S
" t2 h! j/ P+ dto setup-plot3' {$ i0 h( l, M) y+ ^
. E4 T' J: J+ n3 o2 f* W5 n. G
set-current-plot "Trends-of-credibility"
: L$ S' ^) t' E7 H- h: S ]# X
7 i' Z2 c6 @0 }$ Uset-plot-x-range 0 xmax x: w3 r' s, q- r1 Z" G7 H, ~) _" X
! g" j j5 u. s) ^8 }set-plot-y-range 0.0 ymax
9 w. l W( j. M3 |end
* |" c( a# r3 I; S3 H# ^$ t+ ]( F% j9 Q7 J8 L
to do-plots
) G! Z% K0 Z3 f7 Tset-current-plot "Trends-of-Local-reputation"
4 Q# d: e5 H. tset-current-plot-pen "Honest service"
4 G' l2 E g$ o! u3 R2 A# I& oend) g* L: O% t" @
; Y/ C0 o0 Q( L' g. [* Q[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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