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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! t3 }+ F7 E; d
globals[
: |8 g& e, l& J" ?" i2 Q* m* |. Xxmax
+ @) X: F0 x7 \- a% E1 ?/ H9 cymax
2 r% k* }% p. K& iglobal-reputation-list
+ e% g0 }$ ~" l; ~# h0 S; d H' O3 a" v ^
;;每一个turtle的全局声誉都存在此LIST中3 x$ z2 q3 O+ `- e3 R( i7 \
credibility-list
. k5 P0 _$ j# p' I# h' U" W8 u: C4 u;;每一个turtle的评价可信度
- H& ^8 q$ m$ [/ b0 r$ h8 vhonest-service
% `; P! p) O3 @5 O6 o" Sunhonest-service
* q2 b. B; z+ \* C0 Koscillation
+ _. y6 O& i/ j1 r- Erand-dynamic% h; n4 H* S+ x3 A/ T8 U! m
]
4 m, o: u/ @) R" P3 Z: E; g n4 R8 N/ R1 _
turtles-own[
- I( l5 X3 ]' j: B; L( ttrade-record-all; g# N' w+ X4 u. m: C
;;a list of lists,由trade-record-one组成+ Y0 P" s/ q6 j M
trade-record-one! q3 I! S* W3 K; w& b% S: X
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
3 F: R. s6 m+ q' l
. c1 z d$ m+ p& N;;[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]]
$ z7 u) F9 a: g$ O6 u# rtrade-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]
; O1 ~" w. a* {! F. Ocredibility-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
( ?* N) ?4 O6 M1 Aneighbor-total* E$ p4 a" e1 o( ~, @) l& x; @
;;记录该turtle的邻居节点的数目
! d; o! o9 v o6 K D% N# z! K2 Gtrade-time+ z$ j, `0 I" u/ v# W4 @' t1 Q
;;当前发生交易的turtle的交易时间2 D" G; ~1 @* v4 B& g
appraise-give. w' Z) f4 O! I. i5 c5 n
;;当前发生交易时给出的评价9 \& c8 L/ [' _: {
appraise-receive; Y. ?5 Q/ L0 T( ^/ R& M
;;当前发生交易时收到的评价% O; \( n: T6 g% t& N
appraise-time
1 o) x$ O3 G; a$ V/ S;;当前发生交易时的评价时间; n* H( ~" c, k' J5 j) Q
local-reputation-now;;此次交易后相对于对方turtle的局部声誉, W/ z7 l4 D) o g. m
trade-times-total
% k9 q6 J- ]+ ~' q;;与当前turtle的交易总次数) m) v. [, _2 v! r
trade-money-total
# n8 ~; F1 v3 t, j;;与当前turtle的交易总金额
4 K' N+ C0 B, ]" \+ h$ w# c0 [' r7 Xlocal-reputation% s O( f' e" V" p: w
global-reputation' D0 m, {& w+ }5 ~7 j
credibility
' B7 X0 e2 a8 K;;评价可信度,每次交易后都需要更新& h) g; h) f0 R: s
credibility-all8 v2 @) Z! _- H* h9 G/ r h
;;a list of lists,由credibility-one组成。[[1对j的评价质量的评价][2对j的评价质量的评价]……[i对j的评价质量的评价]……],其中一共有people项,根据5 ?3 f0 \) \& b: o
: S" ^8 A& `$ _
;;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! p. R U$ T: n8 t# _/ l
credibility-one; T4 w+ N/ f3 }$ k7 n K" 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
* Z) Y. j4 h& F& l6 d2 ~global-proportion" R6 |' \! {0 R- g
customer
" j* `$ w" I( Lcustomer-no
) J6 G* C5 E9 Etrust-ok
& _; T& R" N! _trade-record-one-len;;trade-record-one的长度; a( Y# I, c. M1 G5 I P3 x
]
! D1 C/ ?, c! p' g" ?: K/ Q
$ _) V7 y0 i4 n;;setup procedure
% L& ]7 M/ C* \3 C$ C
; ^# h8 `4 e( Z$ @& ?, kto setup$ v3 ^& A) a& J9 X! p8 M. H& O
' U2 A& g! K0 s2 y! p; a
ca
+ U) c2 e8 L( ]8 m; u( X* ^$ M" Q
' J1 B4 D" f* ]. d2 N6 einitialize-settings. z" w$ [1 L/ g, k( K7 Q: H
2 P* A' }' h2 c7 A5 s; ]
crt people [setup-turtles]" Q2 x2 B: ^- C3 L% B' t0 u
! f; x B. C) H) t8 C7 a' M, L N9 |
reset-timer
: Y( Q. V9 X7 E# Q# Z+ U% s6 x+ ~$ z7 D- d4 [+ q- ? e+ X
poll-class5 n2 r: R( d8 P7 j) B T2 K
& n+ w7 ]' _; t7 {6 k; G
setup-plots
S; l$ S @) G9 b8 t* w& L/ N$ j
do-plots7 F& ?; x! V8 X2 h; S& Z
end
3 g6 v8 `# b! R, e* P# J9 G* P7 s
to initialize-settings5 n( h- @1 v4 Y+ i
" L. ^$ x* @- [8 P, @+ r& ~% p! A3 sset global-reputation-list []! x; M& S2 g+ r- D9 U9 v
' \/ S# a1 b9 S! o! s/ j6 {set credibility-list n-values people [0.5]7 x! |: h$ u" s% g* w5 V5 d: \8 g
* M: W9 G4 s9 `0 k. H+ mset honest-service 04 n1 h" G& ]8 R/ W+ V) d2 a
, h/ L# a3 ^! V2 ^% y
set unhonest-service 0
; W8 c4 H) u6 R0 S' D# }% g4 ~- B' }8 W% o' q \% {
set oscillation 0
& a: m7 \2 f; o0 }9 t$ J) m) @8 [8 Q3 O4 R; q% f
set rand-dynamic 0% K! L, K T$ }: a- K2 m
end
" C. X9 F6 n5 [, {4 g; Z# j @* k
: ?, M- Q# C" B! ]/ P; V( mto setup-turtles + G+ |+ k, K% {. q1 X4 @
set shape "person"
% Z0 K8 w- d- S/ Jsetxy random-xcor random-ycor
) o& y* V6 Y1 Y3 v' nset trade-record-one []
" W0 r. T* N4 [! J9 }$ R' D0 }/ D5 h
set trade-record-all n-values people [(list (? + 1) 0 0)]
' i. n, X" ^$ W, K0 I) U% C4 t) f0 J' L o: |; H
set trade-record-current []. {4 }" c5 Y8 N& {, R
set credibility-receive []
0 Q m. N0 o5 w. Z; Sset local-reputation 0.5% e) [2 E# l( e, m2 @8 y' {
set neighbor-total 0
9 S! }7 D, W8 M6 |8 a7 Bset trade-times-total 0
5 I/ g& U: d1 d( S1 jset trade-money-total 0! o3 D; y3 v+ H+ P1 P7 z
set customer nobody
! x S* Z' p, u0 a+ bset credibility-all n-values people [creat-credibility]
5 ?& R3 U' R8 a& }5 ?set credibility n-values people [-1]' y) W$ f2 @6 d: I- c8 u
get-color
) Q6 }& g8 F, H
8 ~' l! l, X! W, t5 eend2 l- F7 W: l7 R4 j0 t2 `. l' I3 _/ u
4 X& i. L! I5 Y) U0 s5 Vto-report creat-credibility
8 g# q2 u2 @' E' h9 }report n-values people [0.5]
. V' y! d/ P4 X" J1 N i4 oend) I' B" S/ @9 ~
0 x& h S$ q1 U, Wto setup-plots: f! G! G( j# {- [
, ^+ G Y/ L, ^# ^* g4 s5 n
set xmax 30
% [2 E( ~) ?* e! d9 g$ u! _. I$ {
# m# p& R1 q P7 D& p1 Mset ymax 1.01 v, Y# Q W3 _( }
$ x) C0 k/ U# I! o, ]
clear-all-plots
4 {" O3 i2 J6 Q0 ?/ b& R2 k3 U7 f- A+ w0 c) n% E% j3 H1 F9 ^
setup-plot1
. p) \* r0 ^7 s& u: N9 @
$ X. }1 C9 l/ s* N& Xsetup-plot2# j) C9 P/ I2 L
+ ?& w( W0 Y7 ?8 r! I" M0 a
setup-plot3, S3 g% J9 O2 L& ] _1 M/ ?0 {
end3 i6 v8 ?; l( X" o- Q8 X
3 \% v" o" q; D& [$ D) J" D& j. F;;run time procedures
' M* D' p: k9 b4 D. J8 V) z9 f9 y& u6 s1 c* f( k
to go5 h8 v$ }. E* E
G6 N! v7 `( ?/ t/ Cask turtles [do-business]! f3 a; n) w K, p0 H0 G
end3 ?" T6 g! k0 U$ c$ u* k3 g
" m# B7 k. {& A; x. T' Gto do-business % Q+ O: v- n0 ] B& p$ v
8 _3 T6 D* p3 m# O& F; k9 P+ x/ Y3 u
3 k% \* {/ _+ q- C0 u
rt random 360/ D/ U8 q/ q8 S" _/ v, U
7 |9 x5 H; x# {* x# D
fd 1! \ f) Z6 A# l, y6 s+ |
- T4 N: @7 n$ c4 _
ifelse(other turtles-here != nobody)[
4 o: Q t* @% ], |; m. S# j. P1 y# a
set customer one-of other turtles-here6 |2 V! d/ g/ E# s
/ V5 d' O( J9 _* S* `! k3 g
;; set [customer] of customer myself
- s: y3 R7 p" ~3 S$ Z* f; ?* ~- f* Q# O
set [trade-record-one] of self item (([who] of customer) - 1)7 S. g M- N4 y& ~6 S
[trade-record-all]of self
3 ~; f+ n- } h. S6 s;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self- e& @* W" N. q+ Z4 y- v( O$ ?. s. A
' I6 G$ q* W: rset [trade-record-one] of customer item (([who] of self) - 1)
/ n+ e$ y5 J6 w) e6 b[trade-record-all]of customer2 m( C) e- ^4 X( E. z) I
0 r9 H6 W+ E4 _7 i; m S# {set [trade-record-one-len] of self length [trade-record-one] of self. ?) U ^' z9 f4 y+ P F
% z* P6 o5 j" r: l& Lset trade-record-current( list (timer) (random money-upper-limit))
0 p; z. W& G. O1 P5 w1 m* d- J/ Z1 j
ask self [do-trust]3 Q# t# V) X( r
;;先求i对j的信任度1 G, z+ t! I M+ g) K, ?$ z; s: G
) ?" U$ Z; Z) z6 O; H
if ([trust-ok] of self)
& h# o' w& g$ z V2 x& Z7 N: v;;根据i对j的信任度来决定是否与j进行交易[/ ~5 z3 M: S# n5 K( P- p
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself$ Q( o: l) G- r& R, Y& p+ ~
) s0 [+ R- L% U& |, y! \
[7 N/ D6 \+ R& ^ _. K& }2 u
( T" v) J9 y: @4 Ddo-trade. K3 S% L6 u" t$ j5 o1 j. M
; _' `/ n+ ^ U; `
update-credibility-ijl
/ r o8 c+ f) m7 v& v; X0 ^
2 L) \. _; l8 T" R* @0 ?+ iupdate-credibility-list
6 n8 L/ ~' W( h' X. r9 N/ Q4 K0 w! V7 j" U) h5 n
- T F3 E* G- d% d
update-global-reputation-list% q8 P' r7 h# U* n! }; y& k
1 p. w& g. Y, l. O: ^7 x4 G' Epoll-class# U; c1 J% p. h5 w. T) E( V# W3 H
! H1 r% X7 S. O; `4 y/ @8 J
get-color
; p7 G" \7 \- g Y
, R7 S$ ~! u }3 I]]
0 ^0 r. }- |- ~) c7 s3 u
* t; R v3 P+ V E; I;;如果所得的信任度满足条件,则进行交易' O- r/ ?( {1 k, Q( t
% {* \% V5 Q3 ]+ `8 q! N1 T7 ?[
) K- Z/ l' Q" ?4 k
% o; t; n9 b+ @! frt random 360: k8 m! ~# Z m
, P& J' K8 Y& Z0 ?0 ufd 15 N6 [" c- u) e% x% q
8 k4 o) A/ b0 f* n; {9 U9 E]
, t! j( e+ U. H" @1 |+ H! U9 [5 ?1 B+ m" k
end
3 P8 [# e' e$ p) M) n& S
( j x: x; `5 ?& b& B& dto do-trust
4 I# s- a' F4 i& jset trust-ok False8 R2 k! d2 ?7 U* H- O7 B
3 G/ _6 Y! J7 V* u/ j5 F: S/ h. K* `9 L# u' N5 t. d" r G
let max-trade-times 03 l3 c6 x& k/ U# T! g* x; y
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]1 G: n: y& P8 Z; w
let max-trade-money 0& I @9 J( i! g# B6 m/ x# h2 M
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
7 H" ^7 A8 h- S. R/ Vlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)): f0 B" P: Z0 K
6 v/ A# R2 k+ H
8 }. h( l3 [% M7 `& Eget-global-proportion
3 Y4 ?. c I. s- M% Xlet trust-value
7 O0 |) U. |0 l) T- J( ~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); V# O- L+ M! f0 n7 C* x, y# K
if(trust-value > trade-trust-value)! B0 ~- P' ]) b5 b% g
[set trust-ok true]2 E8 O: c& t# ~* `
end
$ k4 ~1 u: X o" f8 n/ O, P5 L9 S: G$ a+ }7 @2 t; }4 I
to get-global-proportion
) i. F6 ~" j& B) l+ t8 eifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
# b5 l; U8 x7 r[set global-proportion 0]& w; {* Q2 m( S9 U+ r9 x: {6 v
[let i 0$ L8 |3 e0 n+ @( l
let sum-money 0
; }5 A p; X9 M$ Zwhile[ i < people]2 v/ I5 [9 Q w8 z+ {
[
; ]+ O. N+ A3 wif( length (item i6 ?! J5 V( \8 a" t$ b
[trade-record-all] of customer) > 3 )6 j& L: X2 X; v1 D, ^/ l
[+ D+ r9 E3 U" l" C; Q* [
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
* X' ~9 r7 M' i8 W]0 r- K; a) B3 H6 s, p6 r
]
8 `2 c7 m9 M* R4 D9 }7 mlet j 0
& K. ~5 e* Q6 c8 j. I7 H% hlet note 00 C3 v+ _2 S6 j/ X/ f
while[ j < people]5 r, X0 A: S3 y! `9 m3 C( B# D
[
: h( w) V; p7 y$ xif( length (item i+ [) i. W) r% D9 \: I. ^/ m6 _
[trade-record-all] of customer) > 3 ); A3 z$ ~; s% {
[
" `' d8 p5 i$ o, Yifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)$ s& G2 E: Q* G& R8 f9 p& D
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
; O9 Y: W! A$ C[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]& ^+ B7 j. X0 ]# B" o
]
1 `3 G' h: Y7 B& v]! b- w7 P4 n2 r
set global-proportion note
2 Z' f, k$ `7 K) g$ z, ~]
9 ]" \' I4 W) a% v1 _6 h# b _; [end- ]$ K# P9 y: D; e
7 Z( W$ i% [% f& {0 R+ fto do-trade6 c! Z: A7 N! \, v; ^
;;这个过程实际上是给双方作出评价的过程
) @: N+ W: d9 `# X5 T c( D; c& M) u4 r4 S5 Xset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
: k" b8 A+ I. d) z4 Zset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
* p' y0 I- j$ d* l! P/ tset trade-record-current lput(timer) trade-record-current: p8 n7 O0 J2 M) @, @9 E$ B! g! S( v
;;评价时间
' J+ Q5 V8 ]9 L1 O0 Pask myself [+ y/ a' w7 Y2 A6 { R' v4 b7 c7 {
update-local-reputation
% Y2 I# L! m6 Y% H! _set trade-record-current lput([local-reputation] of myself) trade-record-current2 ]/ d) J; ?! H. r/ g9 ]. y1 @3 `
]! ~/ {- ^( x0 _2 t4 I, a
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself4 |; w1 A( `/ I% o
;;将此次交易的记录加入到trade-record-one中- F7 T& E: N. o7 c( k. S
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)/ V+ q" w! [6 ?5 X
let note (item 2 trade-record-current )) c' T$ I% C4 R; A% N& Q
set trade-record-current- w( e$ d( @: M
(replace-item 2 trade-record-current (item 3 trade-record-current))
* ]( k$ }6 B4 `; uset trade-record-current) h1 }7 O3 x, Y8 F1 C
(replace-item 3 trade-record-current note)
* B7 J' U/ K$ x" Q" C( t/ B7 m* e* g: R+ ]
# u6 T, ?8 u& m4 R* R0 _! Wask customer [# L( V% o5 D. U* z0 h. ?6 X
update-local-reputation# M# P2 K6 N5 A- O
set trade-record-current. A( D7 R# c8 S! Y* E d9 J
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
' G% @# b: [" r, g/ q" @' t* ?+ H]# |" _$ [: P# `+ L0 S
3 `/ f& f% ?6 [7 P q
; T3 L; W' n: w
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer$ g! {' K9 H7 e+ B
6 i, K1 x* N; K; ]3 K: H- D- dset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
, M1 ^* X: q& Y& l% {4 U;;将此次交易的记录加入到customer的trade-record-all中
2 \0 W( A0 K0 ?! V+ Z- a3 M* c9 K* Mend
* Y+ l0 K/ v) B. z( }4 ^. E4 T
# g9 Z2 h. w! dto update-local-reputation9 X' o6 p; x' h( F- p
set [trade-record-one-len] of myself length [trade-record-one] of myself- `; U7 @7 Q0 F4 d
& k" ?' e+ l; c- B
7 W9 r, T/ I5 [0 L# };;if [trade-record-one-len] of myself > 3 - Y @' T, s9 l3 d/ v. W2 x# B
update-neighbor-total
! D% ~- @+ z3 R/ k( g;;更新邻居节点的数目,在此进行
9 S5 N+ p( h4 g& alet i 3 A3 X# ~& z; {% k2 j
let sum-time 0. B/ G0 _ ^2 V
while[i < [trade-record-one-len] of myself], \" z9 x1 f) {6 Z( g) ?6 f' M
[
7 Y/ Z- w; _% D' a# n$ w. bset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
b9 j3 U6 ]* wset i/ y/ D$ ] @2 W9 l0 s/ g- |
( i + 1)+ y+ E- W/ {4 o* U
]- W* s% M# N# a1 b- H1 \
let j 3
0 R( x4 c* D6 @! x2 k9 H% u5 Qlet sum-money 0
& y% ], {. Q, t1 A& D; pwhile[j < [trade-record-one-len] of myself]1 X/ P; N' U: U' W- z2 g( j9 g! |
[2 C; v% J' F6 U$ }4 l7 \
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)6 y: ^! m) w0 K9 V; G" `7 `$ r( k
set j3 j) J# D: z0 c7 T/ R$ e
( j + 1)) Q; ^& d% f' K! P/ [7 P$ F
]9 U3 H" f0 X! m+ p* _, q* G- W, t
let k 3
) d# M& g3 _. r( Slet power 0( V3 s9 G; W3 i6 h; h5 r- L4 D
let local 0
. r" L' p3 F7 ywhile [k <[trade-record-one-len] of myself]$ x& q) L$ Q% n" S7 F
[' M* G( R3 T( ]# n( i2 o, {
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)
5 L0 d F7 W% Q! o! Aset k (k + 1)
# Y; z1 ?- }& b$ E3 B0 o _5 R* |; d2 z& b]
4 ]' f! q+ z. {3 z l6 pset [local-reputation] of myself (local)
$ y E) t: Z) `end: T# H1 q- |& d x; ^4 x
8 B, r8 v3 S8 ato update-neighbor-total
, I( @ r( p6 D E! @3 T v
( E- Y5 ^$ B* q1 Iif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]1 z8 J# W7 O: C# Y
+ O! [! E. g' G; E
, j0 `- [. u; s3 |end
+ R: y% L5 H6 x+ Y
4 w; g2 x2 B3 D6 X- [ k5 [to update-credibility-ijl / R& L3 ?; N) L5 g E. f
5 J a" N! n4 G' t* z5 W8 L;;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 `2 A0 _/ @! G) dlet l 0
3 d/ N2 M8 l& }. |$ ?$ `while[ l < people ]
0 H7 M; D q/ v4 J/ k& R;;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
# z W; d0 ]; B, g2 k: w[
. [6 P! k) i6 m4 {+ llet trade-record-one-j-l-len length item l ([trade-record-all] of customer)# t3 H, M$ Y# j4 T. o/ `3 ~7 s
if (trade-record-one-j-l-len > 3)& z6 d2 W8 h: V1 N6 b; x0 {4 `
[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; Z& y$ p4 f. i( k" @# k
let i 3/ U& n% S) S* V) {8 u% E
let sum-time 0% S0 r" w8 S" P9 O X2 i
while[i < trade-record-one-len]1 f( o0 h& ]+ ^ B w/ W, s3 K. z! t
[; N, r* g+ B# D' w/ q
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
( n: f. g" j( g6 F+ [set i
x: l: w' k4 L9 N( i + 1)& }& ?* d1 O& @/ m6 B, ?/ k
]
) O7 ^# d9 M ]) G- w' ^3 m6 wlet credibility-i-j-l 0
: C( b+ B( F; y;;i评价(j对jl的评价)0 Y( `: g* n) J* Y; Q4 s/ s, v. z
let j 3
! ^5 D: B1 F6 l7 X! c$ S( @7 Nlet k 4
/ h2 T; y- U" qwhile[j < trade-record-one-len]
9 \2 R6 P% _ Z) w E2 P3 Z[9 y7 `! k+ j7 l! R! J: 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- y7 N" m2 n. g+ `8 b* g
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)
0 M! Q: K: M9 a) A; o+ V4 cset j
5 J0 N4 E8 F! d) D r( j + 1)
, i8 i' M6 L* S( a! h. i8 y: _ o; d]0 Y3 N5 E. V7 W" R6 _: V
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 ))- p3 U# Z1 a, P2 N4 |# D
# u; y: _, Q. S$ W# X; x3 V" q+ S* V
5 w+ n* Y) B i2 o! p9 x# e$ Ilet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)); R V1 ~1 I( ?3 P/ C: c
;;及时更新i对l的评价质量的评价
: j& X! j7 W% q f+ h$ Aset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]4 T6 W) Z! E* y" R; c6 q. p
set l (l + 1)) y8 F5 S4 T, b: [0 ?% d9 `6 h
]
1 A2 F9 g/ B" kend
! M) a m0 O2 `$ d1 e
8 Q T7 s, y8 A# n3 rto update-credibility-list$ B9 B( J& ^+ t4 |: L s
let i 0! ~" O4 M/ P) a. x$ H: F( ]3 \
while[i < people]" |$ X! |# e8 U F7 b# P9 M1 [* C
[5 K" n3 J: p2 Q5 c* S
let j 08 k7 f: c0 n3 H; i x
let note 0
2 y$ @# X. u& I9 n& \0 D- T" Ylet k 04 v; \. [, M0 V
;;计作出过评价的邻居节点的数目
, ^. E' ]+ s# O$ l4 ~while[j < people]/ u( Q. n, z' ~, _: a+ k# |2 {
[
7 a7 g; g7 N9 i/ r6 Mif (item j( [credibility] of turtle (i + 1)) != -1)
7 ^5 b/ A0 _4 E6 P# };;判断是否给本turtle的评价质量做出过评价的节点" l/ F) v9 U& W/ F6 V: X3 p
[set note (note + item j ([credibility]of turtle (i + 1)))
* ?7 ~ G+ N2 a9 A( h& O: @;;*(exp (-(people - 2)))/(people - 2))]
% d' B! n$ }. `& k6 E$ }set k (k + 1)
8 v* m# `5 E( ~. Y( l' j]
! @, U, [( i$ l2 ?3 bset j (j + 1)
4 h% A! ?. `2 u]) {! O9 D6 t. e' [
set note (note *(exp (- (1 / k)))/ k)
! N8 }: u: }( p. C2 H4 ?. Dset credibility-list (replace-item i credibility-list note)
& |2 a6 r, t' W; R0 kset i (i + 1)$ g7 ?( J! b" G$ Z& B! S' r
]
( I! d! z; ^3 r$ i- \- |end1 h7 W6 `* ]6 N- J. X3 q" z( J
* a; R2 X3 `7 U! S8 J2 N5 Kto update-global-reputation-list
3 \) M! G8 o% x( p P3 n+ Klet j 0- g- j# t3 W2 {
while[j < people]
8 [; V) b' v; [* K- M7 q[/ z' ?9 P4 t' e( X' P6 q# H
let new 0* m: I1 K- @, @4 o# F
;;暂存新的一个全局声誉
5 N0 G5 |1 l" f- Dlet i 0, y! |( _/ E, d2 c. S/ a: g
let sum-money 0
/ I; }: h* v: N/ M Vlet credibility-money 0
4 Z' D9 |. N. Y8 n6 K8 y6 iwhile [i < people]( U+ g3 z* l' g9 r4 |/ k
[
! C. J; x2 X: z ~ vset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))) i; G, W, f' c# K, N' {( j) M
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))" |. o3 s9 [2 F% W; c5 l8 B" K( L
set i (i + 1)
( \8 ]0 u2 }8 e8 |' T8 R]$ f5 P! ?, F, o" o! L
let k 0, m1 U& K, k! Z7 L
let new1 0& D1 S) z6 Z$ c, B% y$ B+ O0 B: N
while [k < people]: C4 ?( D" G* N4 g5 b( I4 z# @8 {+ E6 g
[* {* k, Y/ ?5 U" `
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)& a% u+ a' {- G0 i, G" t T
set k (k + 1)0 `9 N' {- p3 g2 ]# G! e
]
* y, m' E& S1 X& R3 a* K3 Lset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
$ t5 R7 g! o2 h4 Fset global-reputation-list (replace-item j global-reputation-list new)
& p' |/ Q# y/ b5 F% ?5 ~- l( [set j (j + 1)
6 `" t2 q! l5 m8 e8 K) a. T. n( K1 q]5 } X1 v' J: m& g$ x4 r
end" C N# U1 h5 O8 a9 D/ q
# c$ U- T; V: r* m, x+ A
% W# g9 Z& S6 L0 E" k: b
; Q0 W. x) p8 j( R& S
to get-color0 O8 r1 }/ v1 G( U! i$ W
+ p5 r3 x6 o d; o1 Cset color blue7 j$ F" Y" E8 i( P- E
end
* z8 g# F* ]3 w
% a$ T( Y4 c, @( d- Q' H$ nto poll-class' y6 K3 d. t) Q7 E* M/ i0 A
end
# W0 a; [. {# \+ j3 A7 d2 _ V/ ~
( I/ p: j% o; p( H8 }8 Jto setup-plot1! m. k: l8 x: N8 J5 _
* F4 ?4 g8 r+ i, r5 G& Y5 ]1 F; V6 Wset-current-plot "Trends-of-Local-reputation"
/ G d, t0 {5 O0 X' g, ?& r5 }4 o$ g8 j& G$ w; ^
set-plot-x-range 0 xmax, W4 Y* ~( x! a% J7 j' D
. t; a3 E; y/ \% q6 ?
set-plot-y-range 0.0 ymax& V3 f9 r% f5 h/ O
end
/ E5 n' P8 t( A z5 ~* t# n* i3 W, \* V/ W, |* O
to setup-plot2
' Z! j. v+ p& \! {7 Z& |& _
% a& }9 r6 ]- _set-current-plot "Trends-of-global-reputation"
* T: S0 Q7 Y! Z/ r O
+ ~2 x% J$ l6 o4 ^3 n% }9 mset-plot-x-range 0 xmax
# o" B2 F n% N0 [+ K
[* t' { z/ z9 D4 aset-plot-y-range 0.0 ymax9 \, z: z0 p0 J
end
5 V1 `: y' i3 E$ Y2 W6 w3 d( q
to setup-plot3
% l( I8 N) v( h5 D6 L9 Y/ X; l7 \2 P& A
set-current-plot "Trends-of-credibility"; m3 Y+ @" r, f& ~
1 t; D6 L3 t* h3 Cset-plot-x-range 0 xmax
8 o, ~5 A' k. u9 @- P' _3 ~' i/ \. b5 q/ u$ F2 r
set-plot-y-range 0.0 ymax
. s- p5 |) v2 |" j/ l) e6 Pend
3 m D0 Z0 G; L: Y: q1 M6 L; |- F* @0 G$ Q3 X$ v0 N
to do-plots) u' b; h$ p9 V3 q
set-current-plot "Trends-of-Local-reputation"
3 b1 p* m" C% Z; L4 E& v0 hset-current-plot-pen "Honest service"+ l) l1 b* j% z J3 k& s
end
" E: ]7 Y) A8 z2 F; Q- \' i& F ^2 H- d/ @6 L3 `& L
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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