|
|

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
; P, Q! q5 ]6 T5 ]globals[
* P! B' G+ g6 O. Zxmax) ~! ^% n- X% @% y+ ]
ymax
7 g. s: a p r) i- s( zglobal-reputation-list
# j* B2 U- ^+ s) i( F- {. m* x- e9 \% Q# M& `. Z% }) Y+ d
;;每一个turtle的全局声誉都存在此LIST中$ N: |- P9 U) v8 O/ V
credibility-list
3 `2 ~; A6 e: B+ s, p, P;;每一个turtle的评价可信度
4 z/ @! P& H0 K; A- f' Vhonest-service
/ r9 ~2 r" x% l5 Punhonest-service+ j F9 u% L6 A3 E/ W1 n# m8 H
oscillation
! o* @* k9 F" Z! V+ d9 m7 f1 K- irand-dynamic
1 _8 \8 R! _& }4 []$ Q% k Q" _0 @
6 u; q3 C: `2 Oturtles-own[
6 B" z7 c8 q# c! h3 T' Rtrade-record-all" R$ `- F u1 U6 D* q6 v2 v/ F3 A
;;a list of lists,由trade-record-one组成
5 g" y7 k3 [, V4 @9 c6 Dtrade-record-one
' ^2 J/ g/ Y1 A2 E0 R, _7 M W;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录 h# U3 P2 w0 s2 X
1 h. E" i: y* T
;;[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]]6 `* [* [ ]. r) a/ c
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]
6 D. W/ L$ {! B* Gcredibility-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
: R/ P6 v3 H& k: j9 b/ Uneighbor-total
, l* H3 f. I* A' x;;记录该turtle的邻居节点的数目' e) m: L4 G0 v: ]! a2 c/ @
trade-time) o4 ^5 ~% J% g- G- M) Y: t
;;当前发生交易的turtle的交易时间
4 `9 F4 c' W3 t; M S) N& x- U/ ?appraise-give( ]4 Z/ v4 q1 n1 s! ?
;;当前发生交易时给出的评价
; p2 k% h$ l' [2 w& t8 Xappraise-receive
j" P, f4 }0 ]. y- N1 b;;当前发生交易时收到的评价
& P$ U& c6 r: @# Z9 j3 S% S5 eappraise-time
% [$ p, R' E5 g' v+ V9 P/ V) X;;当前发生交易时的评价时间# O0 A6 u. L/ D( U5 c3 r( } }
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
, V. e5 w3 q# }1 Utrade-times-total5 Y" v4 ?" S3 E% V" _4 n% L) @$ P
;;与当前turtle的交易总次数! `) [% W8 g2 l% Z: o2 |9 S1 k9 m
trade-money-total/ `! M- L: T. {4 m# J% a7 m1 e5 ~
;;与当前turtle的交易总金额* O2 i) J3 S! S# O' p* n
local-reputation/ r1 q+ } w' X6 w7 U6 C& t) V
global-reputation6 v9 p+ g) v, u: n$ e# v+ O
credibility/ }' J7 j2 H2 ?
;;评价可信度,每次交易后都需要更新! ~' W* R% ^7 R+ ~2 {( T1 _/ p4 }1 S
credibility-all3 `2 H3 I3 v+ p
;;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 @, s, y% o/ g- S7 c( L
; {* j f/ q: t/ o;;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- m1 v" g+ a% G1 X% \' s
credibility-one
) S }" C, z. v$ n: [2 E& 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
6 e; s# C% [8 d% K8 Eglobal-proportion
2 b* ]5 W5 l; ]4 @1 W) Scustomer
2 r% r. m5 e3 F7 T7 i+ l# Wcustomer-no
9 l+ o4 n- o$ M- }* Ctrust-ok
( n1 K, w: }, P5 }5 M' Ltrade-record-one-len;;trade-record-one的长度
3 e# a8 E# e C X]
$ a' b% n5 B8 x3 z+ ]$ \
+ x5 K0 {# c' v. {) N/ T;;setup procedure7 W% s1 t7 y9 p1 }) {, C
" G9 ^' w- R( Ato setup' X* j( t4 z4 G9 M0 o: S
: _, _/ f) C- F6 B8 M
ca- B4 ~* l4 }8 J8 e
- B# v& R3 G3 Yinitialize-settings
( r" e! g! u9 `0 d! s- H
+ U* a# a" H0 y9 Ccrt people [setup-turtles]. e- P1 m0 _% W4 @4 H9 ]5 ?
" @. |7 v2 Z1 lreset-timer# r W1 M2 s( l7 L6 a
/ }+ g& \& V" p# F2 opoll-class; S2 J: a7 {4 ]" w+ p" _% n
( |8 Z4 ]( B1 y2 z/ H' j( zsetup-plots
. f" f- b$ C7 O9 v
5 T6 R( C! R$ B) o; C0 hdo-plots
. u" T$ [. _6 _( Oend
( z t: q0 j. A- e* v
9 T" a) V/ s$ B# q$ T' T- k5 u* D: `to initialize-settings
P( s V) H1 L- c& \1 o8 x6 v4 z* ^' M$ v
set global-reputation-list []
' H+ _) \6 y$ K9 D- W: T2 m# P& D D. x) [; X. \! j) X7 I
set credibility-list n-values people [0.5]$ W' B6 \0 n; p* r% |. o
" ]3 J- B+ e5 L2 i: rset honest-service 0 V$ O. y, G/ ^( H3 M: O( a
! N/ @7 c3 a6 H$ M
set unhonest-service 0# A6 z% l; y) f; W
7 T2 H4 }+ M1 @
set oscillation 0
/ s9 m; Y# C& k7 W2 h
& j( K# F% B9 g- `7 Z* B, N2 O/ Iset rand-dynamic 0
9 W7 k. e8 C N4 Bend
0 P+ d* M( F% h1 B }
( _' j- P+ p$ k) I, F; g5 i; bto setup-turtles
, g* i$ N9 J6 _3 C' P. [set shape "person"
. m) K6 {8 p" S* N8 w3 L* I. _setxy random-xcor random-ycor3 F0 m3 h9 y; B6 }/ Y
set trade-record-one []# j- K6 J, Q- z/ {
1 B1 |0 O/ N5 m9 O4 Y2 w) y' Jset trade-record-all n-values people [(list (? + 1) 0 0)] 4 V7 Q" N$ g% M9 E6 v
5 r$ d8 W8 ]( o( N" e U" d
set trade-record-current [], l [" T7 B, V
set credibility-receive []
: u+ s3 {6 R7 lset local-reputation 0.5
0 [; r) \ |5 u/ C# Z) ?6 Hset neighbor-total 0! b( p* X q: Q* ~
set trade-times-total 0
- g% H; n- W8 ]. \$ _. n: qset trade-money-total 0
$ v) j! T: J2 f9 J: I1 D4 F3 R. Fset customer nobody! J! i7 h% q6 z) w7 h3 `, O
set credibility-all n-values people [creat-credibility]* w" A& ?6 B2 ~
set credibility n-values people [-1]
3 n! w! K. l1 c. Z8 f3 nget-color
' X5 l. y' _+ v1 s: ]- |3 n" U' K D, V# T6 ~2 y
end
, F- `8 t( M" Y$ j# M5 K
, ] s0 x4 ^$ S* {: O* sto-report creat-credibility
, b( {$ D) G; d1 C8 r' mreport n-values people [0.5]; d1 w! t& ^% u+ X. J
end
4 G, E! r+ N) |4 B2 j3 b
5 k7 G z( s* f, h# {, ^to setup-plots( N5 B& X# g: [8 N" T- E7 k" e
$ e/ {) B: x. F8 E' ~8 vset xmax 30/ O* ~2 d/ G4 d5 v( z1 f
+ x/ y! u- _. h9 e m3 z
set ymax 1.0
# i6 a9 {3 [/ b( V, `/ D6 V9 j2 }7 Y8 @" r0 }2 Y
clear-all-plots
4 e! _: p5 g: w5 i* D0 C
4 I: B1 b+ q& `$ fsetup-plot1
# {+ u, `0 T; A/ [, g# N; Y: |. Z+ k* [3 t- `; Y( C
setup-plot2
6 o- B2 e( a t- s3 u+ W6 p
$ r& ^ P+ t# ]setup-plot3 j4 l& F# Q! S* w, z1 F ~
end: ?# Z# _5 }: _8 k0 u4 L
v' e' P/ ~( S4 d;;run time procedures( ^1 P: N$ ~+ Q# ~
+ t4 k3 Z# \. f1 E6 v
to go
. u" O; r3 }9 O+ E
' Z# C# Q; ~5 N4 J: E/ p+ Lask turtles [do-business], ]/ k( |. H. c# l: u" ^
end
2 \7 q9 J' b; v( C2 N+ X+ m- B: y) U% |* h7 J' K( I+ u8 X1 G; T* ?
to do-business
1 F) [9 n4 L0 n6 Q% U- s" O/ N8 ^1 d2 J' s+ ?8 Z4 h3 T
7 f8 O% M& x7 B6 x, art random 360
5 @( c% Y" Z, @5 j, a0 o7 }& p4 V' n" R1 {
fd 1
/ [6 y# L9 f. J1 m3 q& V2 B/ [% h2 v0 w* D# _ y
ifelse(other turtles-here != nobody)[" b4 m7 f6 ]" H- u
7 a9 g4 \5 {- n1 Lset customer one-of other turtles-here
, E. R1 L& `* j a! Q+ q3 f& A: x0 h, K- D8 q. v
;; set [customer] of customer myself
4 F( ?5 P% l7 }0 {7 U0 c
9 ?: P5 f7 G0 G; z S4 L& E8 oset [trade-record-one] of self item (([who] of customer) - 1); E) ~# K! b- ]/ n6 b2 V( M
[trade-record-all]of self \" b% B# O8 \, Q: `, P$ r
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self$ j9 u( M% |) s, A
; ~8 c7 I6 V1 ] A- I0 Bset [trade-record-one] of customer item (([who] of self) - 1)
* I" u$ x0 V( n3 E T8 e[trade-record-all]of customer5 |- E8 Q7 f8 V, ?5 p* u: t+ W
9 J2 G+ k3 ]9 c0 lset [trade-record-one-len] of self length [trade-record-one] of self
, T, X' U$ v% K& a1 x
. G1 D( p5 A1 ?2 D* M; K l3 zset trade-record-current( list (timer) (random money-upper-limit))
* q# \. h: J; e, w
$ N+ a! ?+ S' Uask self [do-trust]
7 d! \* j+ o6 f0 p2 @;;先求i对j的信任度- h) H3 `9 y* e/ R1 H) _
/ H2 g2 @* J7 t. z* E3 Q( Vif ([trust-ok] of self)& q& }* m$ u c! C) M1 z' o
;;根据i对j的信任度来决定是否与j进行交易[: M% Y: o' I% U: l
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself- }/ _: l' W4 r
2 e5 y) M5 A2 U
[
2 e; x( H& N; ?/ a! o9 o3 w
; m J" L' G' L# a8 k; cdo-trade9 E& b' T3 O* y( B0 C2 o
% h- A; t! d# [+ S" ?update-credibility-ijl
6 K7 U% H& Q- U! I0 W2 Y- ^4 T" \) i. ?7 c2 x e: |# u4 `& R1 [8 |' |
update-credibility-list
9 e- ~) W" O& d6 V
8 `1 X, m/ L& l: V$ [3 J) C% W4 u9 p+ a: o# Q% g( z- O0 f# T9 F% j
update-global-reputation-list* U3 w8 Z5 i- e) {
9 F$ _+ Z) l1 j' k( H
poll-class# O% `- c2 f" e; m$ ?4 R3 l
1 m0 I& H; C( A0 K6 k" H) n9 ]1 kget-color m2 |0 Y: j# K; U" Y
0 d5 P: |* T$ h
]]# i8 j, l6 O p1 Y& c. \; e
5 C; {( X0 e) z7 \+ J
;;如果所得的信任度满足条件,则进行交易
3 F" [9 D4 c; q+ b' v: y+ N w+ ~ h! Q
[) l8 p! I* c5 \% W; h7 h
9 q8 @. y; D# j- \7 P) W
rt random 360
3 g2 c0 \: W1 O6 S6 j5 D& n4 P+ M0 @" i! n
fd 1" V6 Y6 S# A/ T+ T
' k# d+ Y5 D, f* z( E) _( H]1 F6 k# Z+ V! [- h
1 Y# G( |. H3 X ]& }2 T- A
end
0 i" _: q: M" W
( h+ M- C- g9 S2 U) R& w0 y) L5 n6 mto do-trust
$ S: g4 w* A/ z4 q4 bset trust-ok False \5 g+ k3 X1 \
; l* s w+ M5 e/ m6 |) Y$ [
# t" j3 m- h6 }1 p+ Alet max-trade-times 0
: y) r6 x8 x7 r. Aforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
" F+ L" E$ Y3 w" z* p5 L4 k1 [$ ^) Ilet max-trade-money 0/ L8 X; E, O, O1 \$ I
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]" Z% e4 ?( ]( z3 n4 o; R* w
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))4 T2 ?3 R- P! F
( \- T1 l+ _9 i* |$ k9 ~, a4 v
. X) U5 i! p# K( `1 W$ q! v" F( U
get-global-proportion4 i$ y# f! u3 `8 b2 y
let trust-value3 G( v; F( q: L( X
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)
0 A- y& O% R9 u% Vif(trust-value > trade-trust-value)
$ g8 a$ |7 X! Z) U[set trust-ok true]6 l/ Z) @7 e$ M( I; m
end$ z0 u3 \ p6 L
3 m- V: ^. Q) U, o8 J& {6 y# Hto get-global-proportion
6 F2 a, ] q& Yifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)9 g' o# V& {* X8 o ]7 r R6 ^
[set global-proportion 0]6 P+ R! m' h" M* y3 E8 y# d
[let i 05 k0 F* n1 ^. ^0 g7 s" j: n
let sum-money 0
3 B: N: [ K p$ B+ v4 v5 [while[ i < people]/ P% a$ D8 L" D9 `5 A
[
4 x0 w" _% Q1 k3 X4 {if( length (item i
) [( k, }7 ^2 U" Q[trade-record-all] of customer) > 3 ), j6 h; w, K; O f
[' g! [% E! P, Y3 Q8 K" x9 V& L
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
# \1 `+ h9 N1 J+ J I- I]% J N- b4 N/ Y" s* M9 R! J7 i
]
7 U7 B; ]4 j+ d# f0 j1 klet j 0
5 |( y( v, `( }" tlet note 0
. p+ U0 b' I1 S1 p! y2 h4 P Qwhile[ j < people], q/ n* B9 W- @! j2 a1 v
[
8 }: p/ ? i$ e1 a8 L9 o$ Eif( length (item i
# W/ J0 u5 O8 W9 ?- G9 Y- e' d[trade-record-all] of customer) > 3 )" v$ d4 R7 a; K+ k0 G7 _( a8 C
[
6 T) l! j, t1 f' L* V6 v3 rifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)" e) u5 O {( s8 d) W5 O8 `% j
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
% F* l7 V$ {4 w( a$ ][set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]% P+ r) u- d! d/ U5 N6 H
]. \6 d5 i/ s" I# r3 _
]
: t- v% d3 F- l6 @" \* g: _/ sset global-proportion note
$ _4 B/ r& P8 }; d2 P]2 V5 G7 {! o$ u# I
end% u! P6 |7 D% x Y- M1 y
- X: Y/ a( `9 Y- W5 R: Oto do-trade
/ J& m6 W$ F# C! k9 h m; T- a! U6 z;;这个过程实际上是给双方作出评价的过程
/ \3 W9 @5 n/ N, b' E4 pset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
8 O' f. Z6 U+ [ ]# j3 nset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价0 l" V% n/ W0 V7 a8 r3 B. q' P5 \1 n
set trade-record-current lput(timer) trade-record-current! Z; M( |# d* F: |& o
;;评价时间
0 t. Z- K$ Q$ `% y; A$ Sask myself [
% h! ~ [& c' e! O" Mupdate-local-reputation
- O* \: v" s4 H z# L. }set trade-record-current lput([local-reputation] of myself) trade-record-current
' s- ~* G! O% {7 `; ]! I4 M]
4 o ~, ]+ _' a& `9 eset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
* W6 I# F1 M5 b e# s9 h, E* s;;将此次交易的记录加入到trade-record-one中/ C6 [; q( a( U
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)# {4 c$ O6 z* [( s% B& Q7 J
let note (item 2 trade-record-current )3 f+ @ `5 }9 h G0 i" W
set trade-record-current
. T/ C. w) B4 n(replace-item 2 trade-record-current (item 3 trade-record-current))' d! z+ G) X- ] W' p
set trade-record-current0 ^% i2 `: K- U1 _# J' e
(replace-item 3 trade-record-current note)" ~/ S* ^+ `8 L
: r* C: x. e/ v# M7 o
8 B+ b% u4 |# ~! Z0 E
ask customer [- B1 j8 P" Y g) E& V1 p! |
update-local-reputation' B0 I% [: [/ f* s7 ~! d4 F
set trade-record-current3 o& w( J0 Q/ M
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 7 n6 ~7 f/ T: k9 D* R3 x3 S
]
8 I/ I2 F/ q) M
6 M t) J2 V9 E% u$ }( F
: `* l0 K& S, T7 f8 d9 @set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer* `" B5 K4 A& {
; f% J8 G+ R2 T$ M6 Zset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
4 G1 U, Y$ @) D) ?8 i;;将此次交易的记录加入到customer的trade-record-all中
: y7 T) @4 d) Zend( b" R/ f- x- \* w/ Y+ C
2 {+ E9 P/ x2 u2 Tto update-local-reputation
' ?; d- I9 ^# ^6 q( |$ j5 w0 rset [trade-record-one-len] of myself length [trade-record-one] of myself
: y/ P4 ^) ]5 `+ F: X" Z! k9 W- E$ [1 E* N$ d
- ~# [( v- s: O
;;if [trade-record-one-len] of myself > 3 % j \! d& F6 H& q! s. n
update-neighbor-total9 U* w' K: G# v6 Q2 V4 U
;;更新邻居节点的数目,在此进行
" C8 d8 q8 {3 i/ |% x( Xlet i 3
3 B, z$ T& I8 q0 E- i! {let sum-time 0* q% a* f$ V: I) U
while[i < [trade-record-one-len] of myself]
) t* U0 {( e9 @0 P3 k8 |[
! f: i7 S( l; ?3 o0 y" gset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )2 P7 F7 K9 Y7 E' ~
set i7 ~$ U( |, ^. b3 }" a1 e: L% n
( i + 1)- J( x+ x. z1 M
]
0 x. M, ^" r0 Y7 ilet j 3, p1 w& `* k) S, j8 O' h" z
let sum-money 0
' G; h c. ~# v0 @0 N( @5 pwhile[j < [trade-record-one-len] of myself]
' t- l3 O& x$ x6 @: ~# ^# d[4 A) h' K4 w. c' w
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)$ t! ?4 d+ |5 w1 ]1 O
set j
8 W7 r% z9 K# P+ E3 l6 `+ T( j + 1)
, A, _, r1 `3 C P! J, v]
& f2 |* V" h0 h3 ?- vlet k 3- V& I( D/ l+ X7 q$ R9 F
let power 01 }* ?- D1 ], e9 ?" S* V
let local 0
. p) S [4 }6 L( u2 Vwhile [k <[trade-record-one-len] of myself]. M" s* o- `. l1 R- S
[
; C0 Y0 E6 s, n+ A! P- gset 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)
( B9 S% o" e+ R1 u7 x2 oset k (k + 1)
1 D: B+ o4 i0 H]
7 C( X9 i) v$ |( Zset [local-reputation] of myself (local)
- ?# I4 V# u' b _+ e% T. |* y% wend# D$ D. x8 n+ I
( R# t1 Q# e) X- R1 U! I0 V- _
to update-neighbor-total6 c# u" ?0 |, r. U+ |
: M9 p: C$ F' t U# ~# @, ]if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
% I9 O# N4 C P& f# Q0 q7 f g/ [- G% D2 t; F! n3 x7 H/ u
& k9 s2 w8 t' M( @6 \7 u f( U9 p. v
end
' F+ V! q9 f6 `/ }3 t. \0 I
( Z5 ]$ ]9 H R- C3 ]/ ]to update-credibility-ijl % i, y/ W2 d7 w/ ] G% Q; r
2 X5 i1 T' o! w5 ~
;;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 X% G' c8 O9 ^4 Alet l 0! @: [3 @2 N4 I- M4 z* ~
while[ l < people ]! g) C5 v. n- [0 C3 f, W$ A! q2 N; ^
;;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
3 g! o. ^# A: k2 V7 M! v& a[! T; S; H9 A) f& O7 y# G: e4 i- p9 ]$ m
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
1 p) `% e: h6 K2 ]; @4 {: \6 Dif (trade-record-one-j-l-len > 3)
- ~( f2 f9 j( k- s9 I[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
2 t5 x. g" w( R4 d( Olet i 3
8 S. F9 k& y& C# n; b2 u) G) dlet sum-time 0
0 `/ I5 m8 U! K' E3 |while[i < trade-record-one-len]
3 \3 P( g! a9 n1 V q[/ d) k& W+ q) C. g' w! a+ ], a& W
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
2 F# z: C: w7 r% sset i
( l" m9 T5 X, P2 u8 D9 ]. s9 `( i + 1)
% I; ^5 ]" v7 f9 w$ f]' Y4 c6 T0 ?8 p$ [1 j" E4 J' o# `% _
let credibility-i-j-l 0, m2 ^2 ]+ W; I- t: R1 I
;;i评价(j对jl的评价)+ a, h7 B L+ h$ S) C& _8 ]! ?
let j 3
6 |& J7 G0 l" ~* i) d9 u Ulet k 4
2 f$ m( b4 [1 t) Kwhile[j < trade-record-one-len]( g; n; \$ @+ W6 L- t
[
; @( F# X' ?/ k- owhile [((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
: d4 j! r; k: Y- `1 `* a# fset 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)- n8 p7 N! @/ v; a4 c' j @
set j/ i; E# P$ k% @$ o5 ?4 m5 g
( j + 1)
. R: K6 `( \5 w; G; ]6 W9 m7 P]4 S, U8 s$ M2 u
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 ))
2 W0 Z' O" ^6 @* M0 p6 V# s2 y( v7 Z" N* n4 ]% H# }( t# j
; T: Q- _# |) `- `5 F6 a E* f2 b3 _
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))4 L7 c# W5 Y- }0 f: d# H5 d: T9 z4 O
;;及时更新i对l的评价质量的评价
1 d1 d3 e6 s& ~! q% b" ~/ zset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
1 f' {+ F# W8 Y2 V( Y; a) Jset l (l + 1)
, N5 l$ q& L- _' r7 A]5 T* |, d) C4 e
end+ z h$ x w7 [- n* t" |) C T
+ b& Q/ ]6 V0 ?# k8 d9 ^
to update-credibility-list
9 Q4 n6 c2 c! s4 U4 z# M: }let i 0! T" `( i, T0 u* K1 a3 u# H
while[i < people]
+ x" K! W" Y. x4 @- [* A[
) d( H) }, o: zlet j 0
; z }8 }& C& v& ~9 t) _let note 0, }: B6 _! R, i$ @0 [+ K7 u1 b
let k 0
2 G9 p; U6 A0 a% ];;计作出过评价的邻居节点的数目5 A1 t2 n2 m2 l4 Q
while[j < people], j e* N$ I7 e3 L
[% I- o$ u- k/ j, n1 `4 [% j
if (item j( [credibility] of turtle (i + 1)) != -1)/ \% s) C7 V: e1 Q
;;判断是否给本turtle的评价质量做出过评价的节点
$ k# ^3 k2 W5 w" \[set note (note + item j ([credibility]of turtle (i + 1))), U* v, k1 G7 ]/ t. }* w
;;*(exp (-(people - 2)))/(people - 2))]
& D5 `6 A+ _1 ^7 C6 U- f: o% r Xset k (k + 1)
$ y1 ~1 O1 i7 Z" {2 J8 q]
9 ^' R: u. {3 S, O2 r, m( yset j (j + 1)
$ ?3 x6 u& `1 Y( ?6 []8 T |' g/ R) [: \' i
set note (note *(exp (- (1 / k)))/ k)
( X$ r0 U) F' y% k: Z$ Gset credibility-list (replace-item i credibility-list note)
2 R" }9 f3 E% ]( _' Iset i (i + 1)
# p% \- J, ]* f6 L1 K]
4 L" H3 K7 F1 J3 F' h0 |end- Q: G7 m" o# S% y4 b1 s
% L/ o: e# K3 Q9 dto update-global-reputation-list
, ~ [. X1 W& A$ H9 T. p( g% Xlet j 07 a/ J4 Q% b1 `* X& j! V
while[j < people]: f5 D7 K& K* }. D S6 G
[
) A: F# }' U( `# J- glet new 0
0 C- j( v+ j* t0 V }+ u' f;;暂存新的一个全局声誉
) N" h3 W* F0 _( h9 J `let i 0
5 \( i/ }% j* v- w( ~) `. v* ]let sum-money 06 P( z. {6 N' R4 D, V
let credibility-money 0; i7 J- |6 o5 h3 ?7 x
while [i < people]" Q; d/ d' V9 X) N+ Q1 l/ Y
[
( `7 o' F' [! Z/ q5 J. P0 s2 P; Jset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))), g+ q v1 G! g+ ^
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
3 i2 b/ l; C# i$ n, M' wset i (i + 1)! B2 P" D" N! y
]
6 R, V% [$ s7 c" U) Plet k 0# `7 t; Y9 X" a# ~7 z3 l
let new1 0
9 V$ ]# g$ e) qwhile [k < people]
* P2 B: |9 G4 M! [. G. }! b# o9 T& m[
0 O/ P" @5 I0 \; g: k yset 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)
/ l" v& E3 n/ fset k (k + 1)
6 y( s' d" K& B( {* Q; N& t]; a! K) X4 P$ \; I# ~) S9 o
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
' ]) u* d- b$ {" I3 ?: s! Z. zset global-reputation-list (replace-item j global-reputation-list new)9 A/ o. X* `& H- i3 |
set j (j + 1)$ t" U3 ]) `* {
]/ r" z" H* H8 h t
end. M4 |) f& g! j* s; Q* |
( M! E# Y3 n" {- u# S
& P+ I- \; P7 A/ @0 _9 S( C+ \1 |( N+ _) C
to get-color
3 @: O% f* p1 J4 s
1 Q4 C6 K! S) ]& q3 S7 ~( l( sset color blue
/ m9 t6 u4 H8 ?9 ]" {* lend7 T: T/ Z/ v9 U% Y
+ M) L! a* R9 G0 k) g& y' Fto poll-class5 l+ G( q4 p. j k
end
* U5 D# r6 m7 x
) d* I; L; D/ l) Q6 wto setup-plot1
, h% v9 R: Q7 a3 r! G
2 w: F, ~7 \' s8 fset-current-plot "Trends-of-Local-reputation"- s/ @4 O. S. f" D
3 @9 Q6 D1 P6 xset-plot-x-range 0 xmax4 W0 f8 E3 k5 b
* f; m1 p: q0 b$ \, z9 c% U
set-plot-y-range 0.0 ymax
$ d$ |' Y* @3 @6 s. o# [2 Dend0 M. r! l% l6 F
8 K: K5 E6 p- _! F& U
to setup-plot2. q/ B9 |/ @; G1 N2 Y7 f) p
: J4 |% q/ J7 h6 G! Mset-current-plot "Trends-of-global-reputation"* p: G6 |) l* e* g# ~8 Z* P
7 g9 u M- }. L. \9 ~) X
set-plot-x-range 0 xmax2 `3 X+ z q. Z. c1 Q
5 S8 \; X4 v) I0 m0 U0 g# O; @
set-plot-y-range 0.0 ymax
0 W& N& d1 f2 e Z+ V& l3 u. U+ k# Bend( H& I% U4 z, ^$ u$ x* \3 E h
' w J& Y- r4 J2 R6 ato setup-plot36 \) D; ^0 i/ Q9 [" g" U6 `/ [$ y5 B
2 r+ I( Y% b! V- B
set-current-plot "Trends-of-credibility"
& Q! W- n* t. w1 O5 F1 O" t% }/ `! o. q) O
set-plot-x-range 0 xmax
& U/ K; y0 r& V, Y( F+ {* c* f; ]! ~+ X, Y
set-plot-y-range 0.0 ymax, B& L4 @# F' I" [4 r$ e' `
end
d# Z, j6 M: z) c" [! G# a
$ `0 t2 Z# y* Jto do-plots' p4 u' b" c2 }, n3 C ?( A! M
set-current-plot "Trends-of-Local-reputation"4 {' j0 e6 n2 L g: S& I
set-current-plot-pen "Honest service"
6 s, t: B r3 Tend- z/ W8 i, T1 z2 w! |7 g; h7 E! k
$ S S/ a4 `% b- X3 j. j. y[ 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
|