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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
" ], f# f# m6 Q; _globals[3 L# _* }% v5 r g& B
xmax$ L$ [ D# b$ V* u9 Q' Z' e9 j
ymax
: x3 |: P( f& O- M0 M+ x9 oglobal-reputation-list5 X' p: ]5 K$ k% q- f& a+ n- L
: \" h4 }0 A: S5 M9 X
;;每一个turtle的全局声誉都存在此LIST中$ j# G# a2 R+ j! {
credibility-list
: z4 D# s, [. f( G;;每一个turtle的评价可信度
- ~( \/ Y1 X1 V& b4 i3 s7 ]honest-service( U$ A& x3 ~/ h. K4 v, G: g) G( `* n
unhonest-service
+ r7 {6 j1 N- toscillation8 W" D1 P, E' @: R7 X; H% L
rand-dynamic
3 B* Y: M7 W* s5 E/ ?$ j1 `$ q]
9 d& }- D* P& _
' S2 p w5 s" g$ \! U4 Kturtles-own[/ ^/ e! g$ y( `: i
trade-record-all1 n: {; @4 K* P9 e2 C7 b
;;a list of lists,由trade-record-one组成
( s! W9 \1 z5 x4 l0 \trade-record-one9 G5 C, _1 c& ~% L8 `( U0 X; z
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
* {0 v |& @( A, F0 j1 N& k3 d% h" r6 h0 e% w. `; F9 P
;;[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]]; w' r; a4 s5 h# }3 p0 h2 U
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]: |. i, D1 g( p! X3 C' \& }
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
& r; d7 w# K$ Vneighbor-total0 ^3 G# b6 ]; {$ v; N
;;记录该turtle的邻居节点的数目% B4 e: ~! I" c9 C1 d, k* C
trade-time5 `, j }! S& Z! U n* o
;;当前发生交易的turtle的交易时间
# b' Z( b" ?" ^appraise-give
# r' J; u7 h8 i. P" \! g;;当前发生交易时给出的评价
y% m, f0 m- B9 S: B5 A3 Kappraise-receive
G, q: Z1 Q/ j6 X) s7 Y;;当前发生交易时收到的评价
# X' z' C- j: `& n( N% V0 wappraise-time; ?* K ]8 ~& O3 Z- K
;;当前发生交易时的评价时间1 G$ D2 |. B( C4 O% Q
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
! M1 @ B/ ~7 ~trade-times-total7 _$ `1 n$ E8 u5 h" j* ^/ A
;;与当前turtle的交易总次数
9 {6 @1 X+ y4 x3 S' k5 W3 Ntrade-money-total: q" |% Z2 W' l4 t! a6 ~
;;与当前turtle的交易总金额* E: O' N5 ]' ?2 t. C4 z# g% |
local-reputation3 i4 ]3 \% @/ y: D' A6 a* k
global-reputation
) O$ |) |) J& Z; mcredibility
0 T0 n: i$ A' d% h;;评价可信度,每次交易后都需要更新. T! }' l( A; j& k- i: L
credibility-all
0 }8 p9 A; l; z1 I;;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, Y( |6 |6 U0 e0 C- a
# c; { r% w7 ~* {2 k, y7 b;;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; T$ f& N+ {$ b/ g$ C' l5 y3 k
credibility-one
/ V% m& @" b$ B8 I;;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( R: l" y; c8 f* f5 d
global-proportion, t6 F, R+ @+ T2 J
customer
) h: n4 k& G2 ]5 d" [5 d. T$ |" U, Qcustomer-no7 @8 S3 t/ d0 v, ~$ X
trust-ok
1 d; ?& a$ t: S1 ^7 x: Rtrade-record-one-len;;trade-record-one的长度
6 w8 R$ }0 F5 i( V. k0 x]
) J3 ^. X% D4 ]; B' j0 E! G6 l' k- c5 b8 U
;;setup procedure* H7 j* k4 }* `
! `) m) P( `+ {! D J
to setup
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ca: H d a7 m8 I- c" J
: s2 W+ e7 B8 Z }9 e N/ Finitialize-settings p/ S. m$ h: O3 P: B
/ m- Y: y" p3 n. U, _$ j. Mcrt people [setup-turtles]
0 X; S2 z8 c' g2 G
6 f! D! x3 C9 T& M, t4 ]) mreset-timer
6 T( g( t, f8 G1 O+ @0 v1 H0 o8 G4 v3 p$ S
poll-class
1 K6 d9 b9 A3 w8 @& L. w. m! B
+ i) |4 B' E6 t/ O8 }4 n3 e* Gsetup-plots7 g' P& }# R) l2 N+ d. K/ ?
3 U" ?% T6 x+ q4 Q3 }$ ^" Ndo-plots
0 d4 z; X) [, a6 J9 B z2 m5 s0 Dend
& ]% R) C& M6 B) U5 C
% {# j4 w* p6 l H& j! D% ^" g7 ?to initialize-settings9 S* X+ _0 A$ n+ D) J- y
# E ~% x5 D3 _. C$ rset global-reputation-list []: Z$ l( S, y' [ a( e( C; H3 L
* P0 x4 g& w- e/ ]$ `& Pset credibility-list n-values people [0.5]/ O8 ~8 P& b0 Z& O
1 A: b* m) K/ f1 Tset honest-service 0% Y9 m! k( n# n% f/ @3 B- b* i
+ p* C% v/ ?+ l4 i& Nset unhonest-service 0
N# w/ ]/ B$ P% W. r5 d; \' M4 x+ C) V" m& Y9 [8 |* C
set oscillation 0
) \& T1 D) |4 [8 q' Q5 l& p
/ h6 @* Y$ a7 t7 k& Z( J- x" Jset rand-dynamic 0
+ A, W/ [7 b! S/ j3 ]3 Y) S' V Vend
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- D& K2 I& K/ Rto setup-turtles % |* @# K. Y6 b! @
set shape "person"
' M6 M( ~1 R- r r- c2 k* |setxy random-xcor random-ycor! d$ \/ Q1 D4 x. d- k4 G
set trade-record-one []$ E# Y1 X1 Q' Q8 ?( G
# N+ Y. o5 V5 A7 _- Z( u8 ]
set trade-record-all n-values people [(list (? + 1) 0 0)] $ G8 K: r$ J8 a8 H, @
& R4 x0 |7 i! ?8 a/ B! \
set trade-record-current []
. ?5 k0 z1 I/ h9 I" ~set credibility-receive []. N9 a/ U$ G& u, @& o% i
set local-reputation 0.5% V1 E7 i% ~" U4 Z/ {! K# L i
set neighbor-total 0' @0 m T8 P" V, g4 J( Y8 }: {$ ^
set trade-times-total 0
6 {( Y1 V* _2 Hset trade-money-total 0( w' @% Q: W& d" g0 Z0 z# v
set customer nobody
3 g3 H( D4 U* e4 Jset credibility-all n-values people [creat-credibility]0 i' h7 N$ c* y6 t: {* Z
set credibility n-values people [-1]/ E. s" r( D6 I2 ^) V. E* N2 R* i
get-color
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6 V0 z: l0 K% Qend/ [2 K1 @+ c2 j7 d$ F
& p% F6 f6 w$ j; D: B7 E0 t- {to-report creat-credibility& @+ P; ?, h! K H
report n-values people [0.5]. t' A! Q* h5 G4 s# M! {
end
; V0 \9 S% i; z6 U% o( ~
" n- {+ f/ N' S- Y( l8 Tto setup-plots
7 b9 A- w1 ?4 Y9 V. ~$ ?; U/ ]) v$ [: c* x3 x7 r0 S
set xmax 30
2 a% m: M* E) f# u, a) K) I) l! N, |2 H) H. ^/ @" M" ?
set ymax 1.0: a6 o/ H( g- f ~; b, v+ k. C
5 h+ W2 @1 X/ K, W
clear-all-plots
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# b3 r0 M/ y7 H. ~1 Y; N8 a* }setup-plot1, G( G7 }* L" _* G/ {6 j5 o0 q
. b' d. Y) s# @# esetup-plot2, M! p+ |# s/ ` ^. ?( B' X
- X! {" Y1 m" U6 T, _setup-plot34 A) L6 ]4 R! Z
end
, c4 @" r6 X+ ^1 k, k# `! l5 P7 G; o( u$ y/ } \5 A
;;run time procedures' d# m% _; Y) r+ `7 o8 O
% q! W k1 p: h0 {' n1 v! G4 l' hto go
* p/ O9 `6 f# K" F/ W C
8 w o4 ~. ] l( s5 I" h* `2 w. Vask turtles [do-business]
7 T3 \' o* m! m/ c: w5 iend6 [$ g. L. O: H2 N, V
8 c: a3 u; N$ S/ N+ [to do-business
) X& B6 y( ~' o/ L0 ?7 ~4 b2 g( h* f/ n9 |
3 m2 N- h+ D3 p3 B" z+ Y
rt random 360
9 M$ T; o" T" f4 v3 d; ~! u, S0 F5 W! N: R. t7 L. T$ G1 |( G
fd 1% Q/ Q" ~, p7 N) Y+ u/ d+ b$ F$ G
. o) B7 ]* i- c9 ?
ifelse(other turtles-here != nobody)[
, k" T9 C3 n V. V4 ~
) z* i' b7 f7 v3 ~1 Hset customer one-of other turtles-here
' C* l3 ?5 V$ ^" J1 K
5 t! h9 h1 {0 I' z' z;; set [customer] of customer myself
+ x- R6 u; A8 ]; s
7 V3 \0 y8 A+ ]) M4 cset [trade-record-one] of self item (([who] of customer) - 1)
1 k# W! O) P/ q[trade-record-all]of self
) ?8 |) e3 y) S8 f;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self0 }5 U, o9 c' y% ]2 J% n( y" y
% C2 K0 N1 |+ {8 Z$ Q) M) X' aset [trade-record-one] of customer item (([who] of self) - 1)
8 ^4 _4 t, s8 ^. O4 `+ k3 p[trade-record-all]of customer
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set [trade-record-one-len] of self length [trade-record-one] of self
9 a8 ]! _3 _2 Z# n/ \ H+ V# x+ d. n1 w( G* p, y
set trade-record-current( list (timer) (random money-upper-limit))5 k: E" d- x/ h; E3 P5 f9 h# l
' J8 _. A5 L( s0 l/ E
ask self [do-trust]+ B: K# g% r; M p" ?
;;先求i对j的信任度
0 b5 E: P8 R: O5 Z/ {
4 g/ d# R. A. qif ([trust-ok] of self)4 Z1 m4 E# d4 W F9 Y
;;根据i对j的信任度来决定是否与j进行交易[) Q8 V2 N& K( v9 @3 B9 u
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself% P8 j% Z3 y; C5 E: Z. a
/ k: v: [: z: \% j! w
[( P \+ Q7 |4 y; n
8 s# z$ L2 ?8 |/ \" }( m3 Qdo-trade4 T7 g# ^; I! [5 S; L6 R: p/ a) \
) \2 y6 _5 e' k, j4 W# j
update-credibility-ijl- {7 i0 e9 L, |" ^' u1 @
$ X. y. p. o0 H$ j
update-credibility-list
# {5 w$ ]. e4 L
+ e+ g% u: \! ]
0 W' d, W3 w) U( w0 H) jupdate-global-reputation-list
- w) [7 s1 l3 O
: c" V( S6 L, c( d4 O* Q* kpoll-class
* V' f$ U0 [3 [* ]3 K/ ]! J s/ t C% B+ M. p
get-color
0 w" L! j5 [. d) A2 u. m$ T" {4 p3 u# o( G) e; Q/ x
]]
% t" }% x T2 f" V% }" j( {$ g' G( a( s4 z! o
;;如果所得的信任度满足条件,则进行交易
- ]) S) g4 }; m4 M) z" B; b* v1 i0 k
/ r6 V: S0 q! m( C[: ?& ]! G! C4 V9 W5 _
6 v2 p- q, y. J) Urt random 360
+ E# d" C( @- N5 w3 i. i4 u+ a, b5 F
fd 1
, ?. h3 c" N9 f" b' Z+ R2 q4 q3 w: _0 t& u9 P) c3 S* m* ~
]7 C& G* {& c' V$ @
1 T0 V3 D _4 w2 \$ B" y
end! X% D3 c9 f7 o' |
& g# M* G& V) A" E: M
to do-trust
1 b* g: b% v1 N0 o" \3 z. ]/ c# y! Pset trust-ok False T; C& p8 D/ C4 K
. {- }: |+ o0 E% j* ?
% ?( x$ Y5 Y) ~& alet max-trade-times 09 ?% C" A& V8 q( W- t
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
; @3 A a! j) U; B6 Z! {$ U( ]! llet max-trade-money 0
* y' N/ _- |9 _ R7 s8 L+ j0 `" Lforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]0 q4 S2 a9 Q: U9 z4 F, @
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
9 E$ R ]" X7 E; }
1 ]) A/ U& d- B+ `+ X+ U6 N' b( c/ g2 b& X3 W6 r: k2 w" M/ I1 h
get-global-proportion1 ` y, L& v+ I5 P5 V
let trust-value
' t( N7 E7 V& k0 n5 K8 i; N; clocal-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 k5 a( m7 P0 Z$ H. z' a! u
if(trust-value > trade-trust-value)8 a" A2 D% x# v" R4 ^ I
[set trust-ok true]
8 X4 i' i' `! iend
( [. o; Z- z4 U/ \) U; c
" U' ]+ M& n/ B- [( Sto get-global-proportion$ Y& q; m* @. k o: |: V U
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
6 g- I0 c$ e+ d3 |7 i3 @[set global-proportion 0]; W" p) z% x2 u$ P7 ^) s: N! q
[let i 0
5 Q3 z" p( V! p3 olet sum-money 0+ M/ j8 c: q% n$ \4 t, C2 w
while[ i < people]
, _- D% D( B6 Q; d1 R[. \9 F1 w/ r9 Z) \, q* s( T# D
if( length (item i! I6 Y: Y$ s! x' ]/ B7 T2 v1 G* A
[trade-record-all] of customer) > 3 )& z% j: ^/ H/ d2 C; h# j& X# W
[
6 s" J8 W! w3 a( Pset sum-money (sum-money + item 2(item i [trade-record-all] of myself))3 S" Y0 p9 |/ T/ [* h8 f) \2 _' p4 p' |
]
& m" p' B' Y# B- K0 j& z]
' }6 v1 }8 [, x- Hlet j 0
3 T" j0 x" b' r& Z! v! p) ?5 s( Jlet note 0) M* D! T& p1 D/ n, z9 l* |* Z
while[ j < people]6 o+ Q9 U" @% c x# Q" h5 s ~6 L
[9 ^ e8 j: n/ p' j. A/ R. \
if( length (item i
8 J2 T" T# m, k7 Z7 g% G* _( N( T; K[trade-record-all] of customer) > 3 )
& w" q8 I8 O6 Q* F- R3 o[1 v: h) r# |5 u. C6 a, T9 g8 Q
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)3 `0 `5 S# M- O, R8 o1 p
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]* }+ h4 e9 a% Z! t* J, e3 ^8 P
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
: r7 i( i& H/ A6 ]]
0 n$ g( l+ ` Z) b0 q]
$ B. y$ @) ^: b, o* Q8 |: ^set global-proportion note
# G4 v3 N" a" h/ ]& m% ?]
7 k7 F* A0 e* `' _) q8 ^+ @end2 Q. @% i. d* R" M2 @/ ?
1 w* H, B4 \" [) Zto do-trade+ G+ L# i/ g7 v" D+ E+ J1 s5 b
;;这个过程实际上是给双方作出评价的过程, m; y7 X! a- P0 S# C+ w, B, o
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价; m' c3 m! w7 b) s1 c- ]7 W
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价; o. j% y. w7 U6 `
set trade-record-current lput(timer) trade-record-current; v3 A, ]/ d7 M" ?) D& M; O3 e, ^
;;评价时间
4 @4 A+ ~- ]8 y) E' }) aask myself [
6 T8 A* ~& w, @" S- Y! Uupdate-local-reputation
6 M1 s9 [6 o' nset trade-record-current lput([local-reputation] of myself) trade-record-current$ b ^8 a, e5 i Q
]# v, P5 U! z/ k# ?- \1 g; e
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
5 A9 c+ J4 @: M$ c; `;;将此次交易的记录加入到trade-record-one中) z1 F7 P0 n- w6 S& v* ^2 L' w
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)8 L2 }6 v h$ }9 ~0 M' F& S2 m
let note (item 2 trade-record-current ), g5 Q* g, o; s) j5 k/ S
set trade-record-current3 D" l! d% G( v, r7 K) f0 D9 G
(replace-item 2 trade-record-current (item 3 trade-record-current)): [% H6 }+ c3 ~
set trade-record-current
) n4 T- i$ C( d- P& j(replace-item 3 trade-record-current note)
/ l' B3 {) c2 z- t6 }5 }7 `* }: P9 o7 Q6 ^7 m; c
5 {" |4 R6 ?: _ x1 H! l; l
ask customer [
0 v3 d5 I" {6 l$ k+ jupdate-local-reputation
|/ t7 T! z: @0 P( k1 S) Gset trade-record-current, U- n* n$ X# O0 B, U" v
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
" d9 \( F* O$ b3 K% |8 ^* W]
$ w+ r, n' v' u" g8 \ D$ K% k$ w; B" w# V7 h3 z
" @3 o4 s* F M- V
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
B. l) W0 g2 R. n4 p, F
! @* h1 P! d' V6 nset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
2 h S: V! B7 O+ s7 E4 e6 H9 p;;将此次交易的记录加入到customer的trade-record-all中
6 ?2 C$ ?2 C6 b8 e' U3 k2 r" Cend1 {( {! ], E7 L+ K( Q8 O
' ~7 {3 J- n( ^4 X& q9 l
to update-local-reputation
; s6 @ V8 W. X3 H$ E3 j2 B0 sset [trade-record-one-len] of myself length [trade-record-one] of myself- U1 K+ h( E1 e
% U9 V, y2 ^" k' T* f( m
2 l# D2 l5 _! W% U. B6 h;;if [trade-record-one-len] of myself > 3 ( `1 u6 B& y n1 }5 E, J8 y; e# t0 R
update-neighbor-total6 e9 g8 {- ?+ z G+ P* Z
;;更新邻居节点的数目,在此进行
/ S+ a' c2 I' dlet i 3, p8 v& v) R8 I% d! Z% Z! S2 @
let sum-time 0
7 u) T9 {/ X+ Q$ W* kwhile[i < [trade-record-one-len] of myself]; _ B; Y/ a6 ~! N
[. x3 n+ n# h$ Y E
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
( [2 B, g1 I, w% W, ?) Hset i
# \ \* h% T, U% d* |$ h% Q1 i( i + 1)' H8 U' l* O( k* w; R! f# b6 f2 P" I& [
]) _+ L3 A/ ]- U& p
let j 3
5 U. p w' c2 G' F! S2 n: Hlet sum-money 0
$ k; e* Z+ ^. R" T0 ^+ J' Y: nwhile[j < [trade-record-one-len] of myself]
6 H O$ v; F+ u1 x[6 B8 o+ b4 w( t
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)
3 l! n1 j! R* aset j. }5 y% O! K7 O5 p) y
( j + 1)
/ d5 p. O) F% j$ ~0 c$ \2 ]8 A]5 R/ \4 ?; F6 Q3 p T6 v7 x/ y
let k 3$ U3 Z0 i% j4 l# z
let power 0
8 N8 x9 v( [7 Q2 ?0 y- Clet local 00 i0 |* O: L4 `: p, A
while [k <[trade-record-one-len] of myself]0 w3 a/ o1 X/ \# u
[
$ ~2 N8 a5 x: |% W6 |$ W& Y2 Y2 }2 Iset 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)
& s3 n6 T% N ]% i% lset k (k + 1)
3 X* y4 o- O0 O' x]
& J2 K* t, m& [6 Q: ]set [local-reputation] of myself (local)
- j% ]( N# J# {. E4 ?# ~' l Kend
; |; j4 Y; m3 M" @6 p V* I" s. W7 y9 |2 Z$ M$ v# c. G, u* C
to update-neighbor-total! `+ A& [0 j+ j
' _$ s4 d' B: J% Z5 Xif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]3 [3 B" T0 K$ `2 c, t. K- J
/ Q* H4 {. B5 R* G0 @
9 ~+ s3 n4 l5 l! ]; i' z$ ]
end) U, I* S z$ r5 j( b( P _( i
9 |& i/ ~! n: ?" k4 z9 k
to update-credibility-ijl % V# j6 `! @& h. ~, O2 r$ B* W" r1 Q
& u" A( O: f/ _5 C2 {
;;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。7 @0 W2 e8 ?+ Y/ j8 x5 F/ c
let l 0
E. I0 \4 I% i) `. n! _/ Awhile[ l < people ]. Y# O, A2 |1 Z" C- @" 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1 f) x1 z! e h3 ~, s# V
[
: J4 U, b4 f- p9 Olet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
' ~ V/ g" F5 r9 k( Aif (trade-record-one-j-l-len > 3)# o& W9 d8 @ }0 C2 s( W& t$ A
[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-one1 L, g, b: h+ c: A4 \
let i 3/ W8 W- T1 ~! H7 Y
let sum-time 0# u6 s& x! y6 O2 C, y* ]) U
while[i < trade-record-one-len]
7 M( F% P( q- |, F) X2 d- a[: {& ^+ F9 k" [+ G7 j$ d
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )0 @# ~ i# }+ R
set i
^2 M8 L* |6 d: c- h( i + 1)
* g& A. Y* a# ~/ w+ b2 Z]! R+ R$ o# p' o$ }0 z$ [
let credibility-i-j-l 04 z' W2 ?5 J7 j* x E, B
;;i评价(j对jl的评价)$ O1 O8 p$ n. \* d: @
let j 3 ?) y! E9 u' |% ]5 G' Y
let k 4
/ U' t# m) O6 y# ?5 awhile[j < trade-record-one-len]
v, j% A f8 a: t[
: P9 l, i, Z+ \; F# h1 ]0 }- J0 @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
6 Q, D1 M8 H& k B) r3 P3 Iset 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)7 Q5 Q' R6 O) k* g( V0 s$ I
set j6 C) `' {5 _2 o7 y% e2 n4 `
( j + 1)$ i9 g% ^1 J: t' P! P
]) K# w! n& f# F" }. s( M2 T
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 ))& d9 R7 u7 L/ T% k/ {/ w" v
: n% x3 X0 b- n. @" l4 [/ B
" I2 Q$ j$ F0 W! ~let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
$ D; v: n1 h/ M0 \/ e;;及时更新i对l的评价质量的评价, H9 t4 e8 z+ N# Y
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
9 e5 ^. n. s5 uset l (l + 1)
; u" ]2 i7 a1 _% @( T1 l]
4 C% p4 |3 `9 D4 ]6 e4 e) F( tend- ]/ u" W" U0 n: {' F3 @' v
$ h9 D* M- }2 v Wto update-credibility-list2 |/ g/ i' l2 o8 `: D1 G; G
let i 0
# m. c& F' F' ^8 J# ~7 Jwhile[i < people]7 }" }6 Y2 j4 |
[( e$ _! B+ j, O7 N9 W
let j 0" |* h2 k+ u$ X
let note 0& u7 M4 @" ^5 I3 ]+ c$ Q
let k 0
8 ?9 z% D0 h4 E; j7 N$ d;;计作出过评价的邻居节点的数目
" B1 P+ Z+ ^7 w" {2 _while[j < people] C+ v/ |+ X: C* ]* ~7 b
[
3 n4 l' f" C0 ^+ |, j/ mif (item j( [credibility] of turtle (i + 1)) != -1)! O8 g0 L8 f* R* V8 C6 `! A
;;判断是否给本turtle的评价质量做出过评价的节点7 e- N* [) q# b1 g2 C% I
[set note (note + item j ([credibility]of turtle (i + 1)))! G" \# v( r( c( D& l# y; P
;;*(exp (-(people - 2)))/(people - 2))]# l/ j( D; {+ l2 h" M6 Q) V
set k (k + 1): X: M/ c0 Y. ]0 q* g5 Z, A6 N) J' S$ ?4 s
]$ Y7 {8 E! R5 u) D
set j (j + 1)8 ^; `: b, H" N' ]1 ~ p3 n
]. W& r: \' ^8 Q, ^" w! H5 ] a
set note (note *(exp (- (1 / k)))/ k)4 ~/ X+ q7 U9 ]0 e! V% s2 m* }. z! G
set credibility-list (replace-item i credibility-list note)
6 b; c0 y0 }, q: @' G4 o, y: Mset i (i + 1)& Q5 w! V8 L) \* f/ a( v c, ]
]
% ^3 v3 V# N; I) X$ w7 `end+ q1 o3 @* Y( A E
$ g8 Q: w( h" c9 B7 X
to update-global-reputation-list
: p$ w! }% ?1 H+ llet j 0. l9 j- U' _8 \% i3 X: K9 O
while[j < people]
# T, Z/ n7 X: }1 x( j, S/ d+ |[
- d% I9 z$ M7 d. J/ t9 t! t3 `let new 0; S( Q2 y0 ^) x% X- y+ s: r
;;暂存新的一个全局声誉
2 r; O7 r$ d" y7 `let i 06 Z+ w) p& Q- e) u6 m
let sum-money 0+ b0 D$ b, m D: Q9 Q7 v' l1 l
let credibility-money 03 a5 H c! @% L: t0 U4 b3 L( j
while [i < people]% E% U% t2 o/ P$ F5 d" ?. D
[* v6 u- T/ d7 y$ V) g. x
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))# W% N3 `& \( s1 D0 e! W8 f
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
9 Y3 v' ^. w1 _+ g" yset i (i + 1)& G S$ `( c5 X) B" O! n& ?" F
]
6 C' i8 {# o) y5 C K4 h( i9 dlet k 0* {9 v# m2 G% n- ?
let new1 0) w/ Q, @4 e5 S8 v
while [k < people]+ D0 c" x$ D3 {. S. N) V
[+ J2 }' z3 R) r o( F9 c
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)
6 k& k. ]1 v3 X6 P- Z4 ~) Nset k (k + 1)
& A' F% n) S" i]
0 @% Z& T3 ]% C# d+ G+ Iset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
1 p6 N7 y: O/ S- H: J( `6 pset global-reputation-list (replace-item j global-reputation-list new)
5 U+ b7 \- P" h7 J0 v! iset j (j + 1)
4 e# F1 }$ K) C9 w3 N z]) T$ }, b( U" _$ m; A( q8 L4 u
end
- v6 Y( P, t, |0 b; I0 u$ l( u- s! h- p! p/ D, y7 f5 f
1 |: H- M7 B# ?3 K* i7 a
) ]$ b+ K8 w Ato get-color$ T' v- ], x5 b3 ~
0 m3 {0 D( ?0 L4 `1 N7 M+ ?set color blue0 V d) X; d0 {- d% v, V$ x& @. N
end
, J' K% S* M& W8 T a M; I4 V
" ~' M$ x* G; Q- jto poll-class
' P8 W! Y8 y! J% b$ D/ E/ |* m/ `end
! M# J, J5 W3 c6 C( h# H( \. v. J- D! f& \3 w5 H" g7 I1 o. c" L" @0 D% N
to setup-plot1
3 N4 f- p5 A# i4 i% Q: A* V8 n
+ Z1 u6 z9 A, P" s5 lset-current-plot "Trends-of-Local-reputation"
8 k% E9 S2 T, W# n
8 H7 o2 X6 g. m8 D; |set-plot-x-range 0 xmax
% R! Q8 N: D: D% S0 k: e
+ ~' q! i+ J( x7 x* x+ Sset-plot-y-range 0.0 ymax( H+ {. n7 Z# o7 Z
end7 g \% L# h- g1 T* e/ j4 w- F
" R8 v! H" D l4 Pto setup-plot2
; o, c0 r7 b! m$ ?, S0 ^# \0 b( K: [% P5 n! l
set-current-plot "Trends-of-global-reputation"
' d* x; { z/ t. f( z! w0 h
0 ] W" `% H6 t+ V) b1 F% w2 F( aset-plot-x-range 0 xmax
: x- n! i2 k& v6 }0 I2 ~! `3 H9 X9 _7 A3 R3 ]
set-plot-y-range 0.0 ymax
* c N8 v# m0 Eend
1 W/ s% f& ~& ]6 o! t2 L$ \+ q& ~2 s3 G: q: v
to setup-plot3. `* T6 R0 K7 r) b! i; O
; a/ K/ \; U0 d4 u$ W. h! x$ |4 x
set-current-plot "Trends-of-credibility"
& A1 J% d* D7 |; H6 o4 k
+ O9 ?8 V# Q* E6 e0 N% Eset-plot-x-range 0 xmax
& S5 g% \% V1 i1 @2 g9 n( l
$ Y9 D* y2 D* Q! v, gset-plot-y-range 0.0 ymax
$ e0 q/ f: t6 u' d& ~end
1 K9 Y- }' t# {% R8 f4 { U! @
P2 c2 y8 d3 nto do-plots$ \" N( q0 ]5 b+ d* I, s, {) r
set-current-plot "Trends-of-Local-reputation"1 q `% A/ \- |( J6 g
set-current-plot-pen "Honest service"
9 F h. U* _) vend
8 G( U3 m' O2 ~& g$ t2 p M" {0 t& n! d2 G. N
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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