|
|

楼主 |
发表于 2008-3-18 13:10:54
|
显示全部楼层
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5 m. a% D/ ~$ a( c" K9 S/ U! }
globals[* u2 D" S* Y0 a1 I6 ^' R
xmax1 q" S T9 [ o3 @# g0 d
ymax9 I3 e$ ~( k# I
global-reputation-list
$ F/ ^7 _3 U" L4 l1 N$ z% q' _6 O2 H
;;每一个turtle的全局声誉都存在此LIST中
* y& ~7 e2 I% @3 x" xcredibility-list6 k* }& l) W1 c' Z0 a: \- L9 I
;;每一个turtle的评价可信度6 Y+ M/ u9 ]2 l4 ?8 F4 a! U T
honest-service
5 ?; E* S" V Junhonest-service3 i; }$ l0 f4 `5 w) G6 H" i( E
oscillation
. C4 w' ]) f3 }rand-dynamic: p0 a# j* ?4 z' z0 Q; f- s
]
( z# g0 ~& f: r. T5 E$ O5 c6 ?( q# l4 T0 K% \/ Q4 f
turtles-own[
% u+ l# i) \4 i# \# E8 O2 Ntrade-record-all( g; r5 n% x4 b2 t! y1 ?3 Y4 r
;;a list of lists,由trade-record-one组成" E: I, G% g$ X O+ B% P
trade-record-one& v9 m& n8 [0 m( r- R! o- u( m
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录* ~4 X, v- t& Z: @' j' F5 p8 _
. m2 J) D, ^7 O( u+ 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]]
* z0 P4 S; h9 {4 X& T1 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]; B4 r8 y" l4 u- T0 b. Q' 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 D9 e8 C( _8 U9 e
neighbor-total
7 S, O/ r! }& E" i;;记录该turtle的邻居节点的数目- |; l* |$ S# [) G
trade-time
5 K( F$ D: o4 E( [;;当前发生交易的turtle的交易时间% j# h3 F8 p/ [ e# Q. I
appraise-give) E8 |2 d% c, P9 v9 N
;;当前发生交易时给出的评价
& y* g9 L2 s' G7 h2 X; I' mappraise-receive
E* ~9 `- \& O4 w8 ~2 U0 |$ N;;当前发生交易时收到的评价) t! v, a4 P+ ~9 J
appraise-time
1 ~$ c6 c& {0 ?- Q! ]* G9 Y# j- Q;;当前发生交易时的评价时间
. K" _/ `+ w8 Wlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
) B$ P* D( W; L H" Ptrade-times-total* P& x( _ ]" x0 K
;;与当前turtle的交易总次数, k0 {5 c- t' E6 s7 D
trade-money-total q, d! ~" _# @ i8 j; M7 F
;;与当前turtle的交易总金额0 J7 \. @) L$ J( C
local-reputation8 l& s+ V% z1 b; L
global-reputation
! @2 W- I; h: {credibility7 P$ ^# C3 M- l) ?) _3 P A7 y* {
;;评价可信度,每次交易后都需要更新! p2 e. J* J% h f/ K( {( i( }+ J
credibility-all* B- c! ~' E# R, u. S ^
;;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
6 }) `9 d0 r* m; q4 G1 n* K& C; O* ~+ Y M; f/ _
;;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
! B: g/ a; f) T2 e# B: ]credibility-one; X T; E4 q9 _) z l1 F
;;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
8 s' M4 Y" B7 [0 Z1 L, o# Xglobal-proportion% D# [/ O' \3 U3 Z
customer+ A% m- N* K" j$ t/ M S
customer-no9 X; T; x% l( K% U6 v; _* m
trust-ok
! `+ R1 L& p9 p( L- l( k! Z- b3 G2 n1 vtrade-record-one-len;;trade-record-one的长度
3 L0 Q# t1 Q$ t- \]" I3 {" v# T( w. I
, g4 X& I7 u8 F$ h8 P# }# S
;;setup procedure
# I9 m" @/ a4 \+ L) Z9 E% I- s7 X# [
to setup
4 O% N3 ~+ a. w2 a% Y6 O
; F+ a% r" O" _ U) [. Gca8 f+ u- k4 H' o- t
0 t/ t) q2 \! W! ?+ v7 w
initialize-settings
+ `( O- M* u+ |3 s% `9 i& ^: `0 w1 ?9 q, X+ \& K+ t
crt people [setup-turtles]
* I) u/ x3 V* e1 W: @3 Q+ ]- u+ t$ x# u
reset-timer1 Y' V/ c ]2 `! U, k1 o
4 c' b# s! @! J% r) e. H" Fpoll-class( @# d' l. N+ r* {: q$ N2 O ]
+ ^$ R* m9 u' A& G( m; a; N
setup-plots5 t0 s. k+ o8 S
3 z( d% a9 E0 gdo-plots3 }4 V8 ]/ ^! m( m9 s4 C! F
end
k, K0 |. ?! r5 R0 x) r
- F( K* d) {+ ~9 C' X! rto initialize-settings0 _# x# Q3 F: f# R
7 }; g A2 I0 v/ d* ?set global-reputation-list []
5 M! o2 E( M5 T$ u/ g5 Z J
5 o! z) i% m. w# o9 C2 {( `set credibility-list n-values people [0.5]
: D( e* A' j; z$ Q' C6 m# |
4 M2 g/ N3 c8 `5 b, [1 lset honest-service 0$ A. \! x, R/ h" p1 K- F
" X4 }0 p" y& l! i) [set unhonest-service 0/ H2 g' P/ L) Z! M9 l
- `7 O9 A$ m" i& O! b
set oscillation 0' S0 j$ E3 `; M( U* y8 n
: ]* s3 i% T6 H. F
set rand-dynamic 0) J- `1 f1 f% F& V3 z# g9 t# b
end
8 r/ f1 L: h' N2 d4 m% ?. a
* j; n8 R" E" ]2 _% Z# sto setup-turtles
# k; z1 X# _" eset shape "person"/ ?) |4 K; Y* z
setxy random-xcor random-ycor& V0 x! W7 ?* B4 p* m
set trade-record-one []$ e* b) w# H$ E5 U/ `
" A( f: t; t4 K- @9 y9 aset trade-record-all n-values people [(list (? + 1) 0 0)]
6 u. [7 P; V$ b8 x, q7 s( i; N; j7 a& @0 T, I- R- s/ |
set trade-record-current []' r' |, y6 ~' H3 M- J
set credibility-receive []2 p! G- T$ Q: @1 o
set local-reputation 0.5
; l2 {1 \' h s( p4 Uset neighbor-total 01 X7 T9 {3 h" v1 }8 c. W+ z
set trade-times-total 0
# M% o8 H( m! t7 }/ tset trade-money-total 0- O B2 n/ k6 U$ J0 T$ Y
set customer nobody
4 T: O( Y5 m' d* [/ R+ ^8 o. Nset credibility-all n-values people [creat-credibility]
: ^4 o" ~. q* z6 d \set credibility n-values people [-1]
# ?/ f' ^5 d: n8 T7 {& R7 aget-color
' u5 O6 n0 C C2 M( ~, w
: p0 ^' B r+ O$ pend
! R5 {5 D7 t, A( P$ x, k x6 G$ L# @1 P9 z
to-report creat-credibility N9 M0 \6 v9 M' x& K
report n-values people [0.5]7 h+ k+ m9 ^7 a' N+ [
end( A) v- y) Q- D6 d' ?& v
3 G& [& E1 ?4 ^to setup-plots
9 H8 z2 p( ~% r i) S1 j5 ?# i/ x* d. d4 {4 i
set xmax 30
( c$ h/ {4 `, R! z
9 b8 k5 Q d/ F5 ~" jset ymax 1.0
2 J, l: h( Y6 O5 H; a$ z& S; b
& }. a/ L0 Q* gclear-all-plots
( ^( P1 A: C I4 o4 d# K: z! f
& E4 l5 ^4 A! t8 g) Gsetup-plot1+ T* ]" }, g* K, k
( P, w T" p8 W* Z4 W" n+ x3 G
setup-plot2
7 D- I1 L' j" s
" ]( v/ F9 v. w: U6 H- P* zsetup-plot3! h( ^8 C& ~) C! ~; W$ u
end% @* F6 }7 Y" N6 f0 n
' S. C: \- i+ q8 a% W0 ~( N, L0 h
;;run time procedures2 ?5 _4 |, N) q+ d' s; S, t
r# s* J3 _2 r6 H- J8 [to go
* T b; i) e y; u# @
; O! S6 X' t7 o" s1 r; mask turtles [do-business]
. r$ A- a( f b0 h: send& I) Y! ~% `6 f) [8 V! N9 ? N
# ^+ J3 q( a$ M, Nto do-business
* X* S/ O& ~* P8 b3 b4 F* \7 c" Y' k) q, {+ P$ T: \
' M* G( |' [- v& N2 ]rt random 360
) T4 t' W* O$ f. y" C. L; K/ B8 ]3 B9 |* j
fd 1
1 q& r: w& ]5 L* ?4 P% q1 \/ W d8 k
ifelse(other turtles-here != nobody)[& ]- j' h! L5 S9 F6 k) u
: s; d! }# E% }
set customer one-of other turtles-here
% J& O' Y6 }% u1 a9 X) O- w
4 U4 g9 x. O% g# g! D0 v;; set [customer] of customer myself
; [2 e4 n9 k3 e0 M# P. s6 e0 V) t
5 s" G! P7 m" ~4 r5 Pset [trade-record-one] of self item (([who] of customer) - 1), T$ ?" R: M' g! X3 u6 m
[trade-record-all]of self
% I( }$ K. ^; {;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
+ y3 g- {1 ~% c; Y( }% h4 @7 z, @8 \
set [trade-record-one] of customer item (([who] of self) - 1)
7 {# |9 T4 a* b) F2 X: J6 X7 y[trade-record-all]of customer: r! l, a; {" j# {8 p
4 P# x: ~3 | n/ O ~$ \$ tset [trade-record-one-len] of self length [trade-record-one] of self
) N9 L$ {) s$ u# D1 c4 R. q: G0 L2 G' k! z. `" h7 \
set trade-record-current( list (timer) (random money-upper-limit)) c3 z5 l6 M; T9 e8 @4 G4 d' |
( }: J" {, ^* Mask self [do-trust]& V3 @: G% u5 b6 S/ z1 e
;;先求i对j的信任度. {. T$ N: n- H* U9 i/ n
0 q, k" l1 E5 K \+ Jif ([trust-ok] of self)1 Y, M( [8 p* ?' ^( e/ U2 K) N
;;根据i对j的信任度来决定是否与j进行交易[ p* @4 }6 G* M+ l9 O. ?/ C9 c9 R
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself9 g* i. C! _8 C6 k& G4 J" ~
) Y/ y* @. |: r5 j4 c3 X- P5 p$ A; ^[
" R, C- D# r! @$ Y& f: I5 r9 _/ O Q, r3 j
do-trade1 d! d1 U; n( R4 J5 F8 \4 ?+ |
k3 a8 ~, H' G$ x
update-credibility-ijl
9 d- v" q+ b. j, W2 j& J" V2 F$ C. k% |+ g: I' J
update-credibility-list
' s( `! }; h6 G& T, n! p( \6 ]$ ~: y# h; ?+ ^ n
* m: D/ ^% E' @ d. j
update-global-reputation-list
4 }8 u7 C6 K0 R: @. I" m7 D1 q" G$ I9 ?4 }( O) i! Y6 X% @
poll-class
0 a! O% O% L. N- V- r6 {/ I. }7 j! j3 e& X8 ~
get-color
1 @% I7 s6 }2 y9 R5 m$ y" k, r. o+ u8 H% d0 k+ D$ I' g
]]6 S( o' \5 W: Y% w
. j0 O9 S* ?/ V* r, `$ q;;如果所得的信任度满足条件,则进行交易& ]% l u D- M6 e( U( D8 u7 Q
" j+ Q) M0 Y% D0 Q9 \3 V
[- S# X7 V4 M7 ` m2 X
% j( O$ S2 W+ ~4 i% Nrt random 360
% Z7 x$ ]0 Y" }" X3 b P, |
8 n2 W( r( \2 D. Yfd 1 O4 b5 v0 N7 K' d5 \' |1 k: l! W
8 {0 n/ d; O6 D! y% G5 C]% V9 H) z: d! F
0 ^( I+ F5 l# J: A7 @( s' s8 Dend O- X* ~) m6 ]% h) W
/ T* o# \/ Z! [, Eto do-trust
$ u T) X, d$ ?0 n* d' Kset trust-ok False
8 I- i5 X& j6 F: u6 o8 L8 z% Q7 z# Y' n7 r/ K; I' [& T
% z/ K5 {- V& Tlet max-trade-times 0
( E2 r4 U1 E" l8 @# Kforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
2 N& u+ d5 |. y# K' ]3 k; llet max-trade-money 0. p" e* C' l( O& e( ~9 d! [
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
# l+ u8 C) g; X( n& xlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
# B2 _% ^/ L8 B. L1 m
) n3 v) l! v; B! }# W4 d5 k1 v" Q& D3 `5 S. o, P, ^
get-global-proportion' E2 {/ D& @ A2 I. l
let trust-value
$ r5 i) R& F. ?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)8 Q9 g" A. E; d; w: [* b1 L
if(trust-value > trade-trust-value)
/ c6 K. g' r. N& W7 C: q$ K) I. t- f[set trust-ok true]! J, T+ [' s: |0 C+ _' s5 s
end, [5 }: `0 I) k& Z
" w6 c, L0 F( a; tto get-global-proportion7 [ s2 U1 [: G6 O' M* G
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)8 F6 w0 d& ^2 K* L) A L
[set global-proportion 0]
% G" q6 V" b! N' {[let i 0
( A% u: V7 t9 f2 {% s" hlet sum-money 0/ q4 p9 g3 l) j; J Y4 P& }
while[ i < people]
3 ~+ I2 u/ ~/ b; H[, S* C+ a, }) O6 l$ N
if( length (item i
& u+ W' D- C$ q" Q) D[trade-record-all] of customer) > 3 )
9 L1 p1 S5 U x, r& Q g[0 O2 h* e* a) ~2 K5 j
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
5 b& Q$ d$ ^4 Z0 ` z) P/ o4 K0 O]
8 D: j' C5 }5 ]9 M! S]
; E8 C" U. V7 I4 _/ Mlet j 0
% w" U2 _: x* E3 K! Ilet note 0 j1 l% v1 G1 o2 \- m
while[ j < people]& l, b' M6 G) E$ h6 H9 D* v! {
[2 ]1 w: l7 O" Z7 v( ^; L) c: |% v
if( length (item i3 P, l# ]/ j# S( P8 G
[trade-record-all] of customer) > 3 )
8 u, z0 ]! b8 ?6 I[: G" T, R* v9 Y3 K7 \7 F
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)/ d% R6 d- B8 Q' i
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
0 @/ z! D+ g8 l+ d5 B[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
: t! L3 T# R9 T2 K" m) \6 e I]: {& h" V# f0 R! H- W5 p& r% `+ V
]1 z/ H. d" R4 u4 v5 z
set global-proportion note" L$ M/ a2 {% F+ A, k4 k
]
: l0 L/ E" O+ x0 y' iend) |) x( ]6 w; O# z& k8 D
6 I$ N* |) i) K0 K$ j' o- v
to do-trade" _/ I9 x0 r. l# _4 y2 p
;;这个过程实际上是给双方作出评价的过程
6 X' D$ g# l( z8 Qset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价+ H0 \! i8 j; k* G
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价% W$ M- w0 V4 [8 T& m' W
set trade-record-current lput(timer) trade-record-current2 e! G# k; }5 r0 K
;;评价时间
0 c- p7 G3 H! u! n+ Y8 aask myself [
! O o' N! s# v& Y/ Y7 ~1 a# aupdate-local-reputation
6 s( n3 I/ X$ @3 y i @set trade-record-current lput([local-reputation] of myself) trade-record-current- q6 R1 y% G* e* g7 H& d
]
! c$ s7 q8 f1 W+ z' Mset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
* ]- _2 m7 X' K1 p& j `/ E;;将此次交易的记录加入到trade-record-one中$ ^& ^. M; L U9 h
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
& S: r; i; f$ ]let note (item 2 trade-record-current )
+ r. z3 R) m3 j( [# D" jset trade-record-current
, c. E8 ~3 p$ B2 i(replace-item 2 trade-record-current (item 3 trade-record-current))/ Q: X& Q; V1 @* w: @
set trade-record-current8 x9 u( I4 k& ^3 v2 ]; d, Q# V' U: ]2 W
(replace-item 3 trade-record-current note)1 ?' i) L1 y8 J% ^, s' K8 l$ s
- b3 {1 ^! s! o$ I M2 M/ d. l2 ]7 _" }( m
ask customer [' R! j( P- G) g% _" Q& L
update-local-reputation" V$ ?' P* Q, Y
set trade-record-current/ x- C" ]7 G/ C" M' n; K
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ' C9 B, B2 V8 C0 p, ?
]
" a$ }( ?- k& n( P$ n }; A$ z! O9 [9 h
5 s' e6 b1 C$ ?3 p
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
, d" P D5 a8 z: M3 I2 ?7 [0 e2 u$ u/ N1 p
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer)); l9 F# R% i7 |( {8 T( u
;;将此次交易的记录加入到customer的trade-record-all中
( n3 x! B# D3 A/ y. v- Iend
# n9 t% b4 {! z4 \
! x3 F9 L7 O( h uto update-local-reputation
9 ^, o" c, T# Z: _( H- bset [trade-record-one-len] of myself length [trade-record-one] of myself
3 l6 e# W, z f& V L1 [ `# R
6 o% w [( Z+ h9 x1 U: x
4 _# ~+ Q6 U7 n& b5 M;;if [trade-record-one-len] of myself > 3
2 l8 d2 a- }" I' f# I1 F5 U, O* zupdate-neighbor-total' v4 Y2 ^' ?) G u( j7 t9 Y( M3 P
;;更新邻居节点的数目,在此进行$ q8 N# H$ z% A: [' p3 J
let i 3
, G+ g1 f* j+ ]5 T, Klet sum-time 0
7 z) T1 O# H9 I% swhile[i < [trade-record-one-len] of myself]+ v1 d6 o6 F4 b: i
[4 W h: t6 f$ u
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )- x( v2 f1 ?* v9 D3 ^3 s$ j
set i
$ f4 m, B" m( G/ i* ]8 Q% w: I0 m( i + 1)
4 W( A i1 ^. z) z]) b$ J" {1 `$ ^9 K: V2 ]* Q
let j 3+ r7 ~" |' v+ h1 j' v
let sum-money 0
+ T0 ]" J7 h& ?# k, V/ Dwhile[j < [trade-record-one-len] of myself]
( f q4 G5 f$ b6 I6 W[
! `7 O, \) p8 f. B6 Q o1 |, Aset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
) H( l7 i% v: K& I# \0 L9 Wset j- e, V# R; F( _0 j4 h+ [
( j + 1)
1 R: \5 M, j: O8 J6 p]
7 w! w/ z3 e; l2 Y% Xlet k 3, `/ ~( Q( }, ?. |" m+ A# W5 u. y
let power 0
: N) g7 Y) K( @: Q9 R; Zlet local 0) f; _; ^. K2 t- V( U
while [k <[trade-record-one-len] of myself]
+ c* p/ R4 ]6 s- C, h8 x S[
+ c" Y* a4 `& w( m# t$ d; Qset 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) # u9 a/ [' `0 C; e- j, P) q
set k (k + 1)
( [) m- [2 |9 p9 b" `! C$ s]
+ o7 P6 D1 |( Y# ?set [local-reputation] of myself (local). @( w) T J' }# f v. x
end* l; q0 @$ W4 Q- L8 @
. n. A+ f% V. _
to update-neighbor-total- V3 l( |3 [# l8 k2 @
& t& f( m5 \& B' Q6 ?" o3 n U
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]# c# f! i5 U* I8 V6 _1 T- e
u+ X# w. K) {& ?9 y- k* f, J3 [5 K
4 y$ J9 F# y: r1 [4 ]
end
8 f9 Q0 T. W" \& I( w8 V F) t) `; c5 v( S$ | E
to update-credibility-ijl . T. N$ k1 q1 {6 x/ h0 C* W% G
" x% r) v. u8 h! E
;;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。1 `) G) D5 e9 z5 K B* u- o
let l 0
, f9 d$ H! s0 \1 T/ Dwhile[ l < people ]
* t) s: \( _6 Y* a. t) i W;;对j的邻居节点的trade-record进行扫描,以对j的邻居节点的评价质量进行评价0 k0 h2 K- |3 u. `' \3 ]: G
[
' \) x A) i: E2 vlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
* p1 g$ n$ k9 K1 ], B2 d: _if (trade-record-one-j-l-len > 3) n) }8 c/ }) J/ x$ H3 C$ @
[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
. U' v+ V! ]' O3 |( W& M+ slet i 3/ e+ F* m+ e& m: i+ h
let sum-time 0
" }& C' t+ c8 r. Ewhile[i < trade-record-one-len]
" s$ [5 e3 M3 {: \ {$ N[* q3 K' d6 C* ^6 z2 b, l! O" J
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
& }# V% r; j* n! J# [- Q/ ~set i
1 }9 B! z1 }$ O& ^( i + 1)
v# ]; F, i" ?/ z- B+ F]
x: E: ?! Z; V5 M5 n/ F" alet credibility-i-j-l 0
/ X" Z+ G C4 S' o0 |1 ]0 u;;i评价(j对jl的评价)
8 C8 u2 I& _7 L) d! H" T! P0 m0 glet j 3# P; G8 O6 w9 j$ B3 S8 K4 T
let k 40 I/ f I7 ~8 Z
while[j < trade-record-one-len]0 h% j7 H( U/ S# A4 P7 L) }
[
$ E# M2 F2 p \3 g8 ?$ Bwhile [((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 Q; Y8 A, h) \. o( x, `" X, l5 A
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)$ ]3 N% ^; d. D3 W
set j! B5 H( e: c3 O- [7 \
( j + 1)/ X6 ?3 D1 f$ u" e! P
]
; B8 L7 j# O8 T' z A1 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 ))" z8 z6 t$ @% j& [* q2 k+ b' h
* Q/ h9 r. a# @& B" y* [% m
+ J1 L3 v- D* g4 `( C3 v% Q$ r, b3 X" r
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)); \( J+ N6 o% y) u! _
;;及时更新i对l的评价质量的评价8 [7 J4 L7 a& _7 {) h
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
/ k4 y! T$ @' c% p3 aset l (l + 1)
) M: Q3 E* h8 {6 W) b( {9 Q]1 F1 C1 m% s8 m i* |+ b) W
end. Q( K! N. V- [5 i% K! v& s
- K3 w( C: Z+ A1 bto update-credibility-list
; i. p9 e' S, j$ M4 y1 |let i 06 B5 M+ A- J* \( l) l0 m
while[i < people]9 j) e6 Q! {+ L' O$ ?* D
[
1 u1 g2 l0 Q9 K2 c9 k) flet j 0# Y( P( I* h8 @6 _0 v1 i
let note 0
- ]0 C- q; V8 B9 f$ ] S! xlet k 0
3 q+ d& \4 |# N' s; B* ~;;计作出过评价的邻居节点的数目- C6 d0 j! t$ h6 Z6 f8 I
while[j < people]# {3 |7 p+ @! q7 O; e P3 X2 ~% F
[; D$ ~# I% J+ B' x- q4 X: [
if (item j( [credibility] of turtle (i + 1)) != -1). S. v# p; m2 B" n
;;判断是否给本turtle的评价质量做出过评价的节点4 L g6 ?2 I" u. Q* D
[set note (note + item j ([credibility]of turtle (i + 1)))
+ r, }& n7 D. i4 k! k4 J;;*(exp (-(people - 2)))/(people - 2))]
* t9 d9 _# B2 @. L# Bset k (k + 1)
$ @9 S8 B4 L0 r8 k" n( Q: S]8 a4 G) B- n2 q- M
set j (j + 1)+ _7 p& P3 D: M/ Q/ P9 O
]# Y& h7 G, l1 C M2 V* H! Q6 l9 M6 \
set note (note *(exp (- (1 / k)))/ k)
0 s% q# H- O9 C* B' F1 p6 j+ T/ _; zset credibility-list (replace-item i credibility-list note)
( l3 N P9 R2 }' @2 U1 w2 N- |1 e$ gset i (i + 1)1 R1 N8 E" g+ \8 @' B
]+ `- ?* `* s' k2 J1 ~9 W5 f
end
* o% t8 X! N. \5 @2 ?# i: P2 i" u1 q% V; f
to update-global-reputation-list
' F: O( @: H% Q0 G$ blet j 0/ M+ C' o$ e' i% X$ _; k
while[j < people]
: b% X8 W7 t3 e+ G5 Y5 A! t; m[
: Z( R# l v& m! z! Olet new 0+ F) f2 X$ e( H5 R: i
;;暂存新的一个全局声誉( `& C9 |! G1 }: s, e* a/ A
let i 0
7 d! o3 h' v' B' r) e; ]8 N$ D1 }let sum-money 0% O6 k% A7 U9 z+ s5 }* l
let credibility-money 0# ^+ _& g# J' Q, a. T! S" m
while [i < people]
5 D+ i, M. f, M2 m: B9 ?( p# k[
' l+ b9 |# Q: f4 G) Lset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
& X" S2 A: n- k/ A/ D; Y6 {+ K, xset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
" r* }. `5 u" n3 i' t/ ~$ mset i (i + 1)
Y" a, P8 `/ t" T" Z. r' q] h/ U1 p/ n0 {. y S9 e
let k 0/ g6 [" N5 l/ t5 ?4 }6 `5 O
let new1 05 G- b. A4 T; L5 X1 r
while [k < people]$ C5 J& C' {! F( p) `4 J
[/ f2 j6 v. s: O" P5 O5 T
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( r$ M- m8 S" j. Y
set k (k + 1)
8 B& P7 M' T% B- @6 G]2 R) F* A9 l- H, ]( D
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ! N" @+ O- _$ ?
set global-reputation-list (replace-item j global-reputation-list new)) m" U( e" M: `' w7 Z
set j (j + 1)$ V1 Q. F. X5 q
]/ O( U; e: X! h& \* \
end. q! h) j+ v: @: Q& T/ S$ C
- {% `$ ]3 p/ m+ K. y( P3 r- X9 S
( E- T0 W2 J8 b3 Z+ ?% y- r
1 S& l9 F" E( b: D) P l6 Vto get-color! t h: m2 E2 g0 t" o
' A( Y1 o# x8 v1 Iset color blue9 y$ b" G2 ?5 S" ^5 k
end
) D8 ~; v, ]$ q$ G% b" Q* V* D( Q2 [6 k# B
to poll-class, F. @% D( T; J# Y: y2 _
end
2 @7 ?1 c7 [/ q- {. h5 R# r6 \# |( j5 K3 A5 s4 s
to setup-plot1
$ S" }9 r- D& r( |6 Y- d3 | o5 h7 o& \- x/ Q1 v/ ^
set-current-plot "Trends-of-Local-reputation"% u- M" G* a5 o3 ^5 ~" o' ~- N$ _
# M6 V/ q5 B. l# A! mset-plot-x-range 0 xmax
) F7 a; E8 B1 z8 c/ h& B) s* H; Z& Y
set-plot-y-range 0.0 ymax- z- I9 \ h: E: X
end( E _- _) I8 v: [5 j
& Q! J, E9 q3 Z: Qto setup-plot2
( I4 O8 \; c# @( ~+ |- m
! W+ F9 |$ G$ o5 Oset-current-plot "Trends-of-global-reputation"
& N* l. Q4 J; y' R4 \- k' ^
0 q0 { {- [- K0 V" uset-plot-x-range 0 xmax- m' F/ S" h* n, h2 m
, n0 p# \, ]. i4 h# T! ]
set-plot-y-range 0.0 ymax
+ e. A p; ?& O$ k1 r- H* Send
: g8 i8 s) C6 k E4 Y
3 j( f" t3 D2 I; w7 {1 yto setup-plot3
5 K* @& g6 @* ]+ S
& Z7 }* d) h1 z- v1 tset-current-plot "Trends-of-credibility"( K) L. d/ U1 b9 e, \
" p1 ~( t$ X; g' P
set-plot-x-range 0 xmax- g6 m) c2 J1 N+ `4 e( |
5 a" S1 y" D3 d4 {
set-plot-y-range 0.0 ymax
& Z7 c5 ^' Q X7 w8 ^end
( P5 M& h. n$ q& F6 t7 n3 }% g9 z3 V& T ~3 S
to do-plots
& i$ ~/ y1 A& z( q" t5 Uset-current-plot "Trends-of-Local-reputation", @: l; ?$ J5 h4 D$ j. O% A5 X
set-current-plot-pen "Honest service"6 i9 H' G" A9 {5 h% Y9 n
end
* E3 R9 z" z4 d% S |( _3 j U* K- ?# d& x/ O- p' \+ h8 Y, x9 \
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册
x
|